linaro-kernel June 2014

linaro-kernel@lists.linaro.org

91 participants
222 discussions

[RFC 0/5] NO_HZ: don't let spurious interrupt hurt tickless-ness

by Viresh Kumar

This is the next planned step of "add ->set_dev_mode" patchset.. Its not being sent out (before earlier patchset is accepted by all) to receive *more* criticism (I already got enough :)), but to give an overall view of where we are heading. You can choose to skip reviewing this and concentrate on the first patchset instead unless that is upstreamed :) Oh man, I am too scared now :) Okay, here we go: A clockevent device is used to service timers/hrtimers requests and the next event (when it should fire) is decided by the timer/hrtimer expiring next. When no timers/hrtimers are pending to be serviced, the expiry time is set to a special value: KTIME_MAX. This means that no events are required for indefinite amount of time. This would normally happen with NO_HZ_{IDLE|FULL} in both LOWRES/HIGHRES modes. When expiry == KTIME_MAX, either we cancel the tick-sched hrtimer (NOHZ_MODE_HIGHRES) or skip reprogramming clockevent device (NOHZ_MODE_LOWRES). But, the clockevent device is already reprogrammed from tick-handler for next tick. So, the clockevent device will fire one more time. In NOHZ_MODE_HIGHRES, we will consider it as a spurious interrupt and just return from hrtimer_interrupt(). In NOHZ_MODE_LOWRES, we schedule the next tick again from tick_nohz_handler()? (This is what I could read from the code, not very sure though. Otherwise, it means that in NOHZ_MODE_LOWRES we are never tickless). Ideally, as the clock event device is programmed in ONESHOT mode it should just fire one more time and that's it. But many implementations (like arm_arch_timer, etc) only have PERIODIC mode available and their drivers emulate ONESHOT over that. Which means that on these platforms we will get spurious interrupts at tick rate and that will hurt our tickless-ness badly. At this time the clockevent device should be stopped, or its interrupts may be masked in order to get these issues fixed. A simple (yet hacky) solution to get this fixed could be: update hrtimer_force_reprogram() to always reprogram clockevent device and update clockevent drivers to STOP generating events (or delay it to max time) when 'expires' is set to KTIME_MAX. But the drawback here is that every clockevent driver has to be hacked for this particular case and its very easy for new ones to miss this. Also, NOHZ_MODE_LOWRES problem mentioned above wouldn't be fixed by this. However, Thomas suggested to add an optional mode: ONESHOT_STOPPED (lkml.org/lkml/2014/5/9/508) to solve this problem. First patch implements the required infrastructure to start/stop clockevent device. Third patch stops clockevent devices when no longer required and Second patch starts them again once required. The review order can be 1,3,2 for better understanding. Patch 2 was required before 3 to keep 'git bisect' happy :) Fourth patch is there to catch corner cases where we try to set next event while being in ONESHOT_STOPPED mode. We will do a WARN_ON_ONCE() then. The last patch modifies a sample driver (arm_arch_timer) to demonstrate/test this patchset. Other drivers would be updated later. Viresh Kumar (5): clockevents: Introduce CLOCK_EVT_MODE_ONESHOT_STOPPED mode tick-sched: switchback to ONESHOT mode if clockevent device is stopped tick-sched: stop clockevent device when no longer required clockevents: Catch event programming in ONESHOT_STOPPED mode clocksource: arm_arch_timer: Add support for CLOCK_EVT_MODE_ONESHOT_STOPPED drivers/clocksource/arm_arch_timer.c | 1 + include/linux/clockchips.h | 1 + include/linux/tick.h | 2 ++ kernel/hrtimer.c | 53 +++++++++++++++++++++++++++++++++--- kernel/time/clockevents.c | 17 ++++++++++-- kernel/time/tick-oneshot.c | 20 ++++++++++++++ kernel/time/tick-sched.c | 4 +++ 7 files changed, 92 insertions(+), 6 deletions(-) -- 2.0.0.rc2

10 years, 3 months

Fwd: [Linaro Cards] (REQ-342) LSK: enable kernel self debug test

by Alex Shi

It is a good catch. Anyone like to look into this bug? -------- Original Message -------- Subject: [Linaro Cards] (REQ-342) LSK: enable kernel self debug test Date: Tue, 10 Jun 2014 13:55:39 +0000 (UTC) From: Linaro Cards <jira(a)linaro.org> To: alex.shi(a)linaro.org Message Title Naresh Kamboju <https://cards.linaro.org/secure/ViewProfile.jspa?name=naresh.kamboju%40lina…> *commented* on New Feature REQ-342 <https://cards.linaro.org/browse/REQ-342> Re: LSK: enable kernel self debug test <https://cards.linaro.org/browse/REQ-342> New bug found when I disabled KGB related config and RCU_TORTURE_TEST on Vexpress-TC2. [ 113.878485] ================================= [ 113.878488] [ INFO: inconsistent lock state ] [ 113.878493] 3.10.42+ #4 Not tainted [ 113.878496] --------------------------------- [ 113.878501] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 113.878507] ksoftirqd/4/28 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 113.878531] (cpuidle_driver_lock){+.?...}, at: [<c035bded>] cpuidle_driver_ref+0x15/0x58 [ 113.878534] {SOFTIRQ-ON-W} state was registered at: [ 113.878545] [<c006eedd>] __lock_acquire+0x539/0x8c8 [ 113.878554] [<c006f913>] lock_acquire+0x113/0x164 [ 113.878565] [<c047e24b>] _raw_spin_lock+0x33/0x40 [ 113.878573] [<c035bc73>] cpuidle_register_driver+0x37/0xf4 [ 113.878583] [<c06bab1d>] bl_idle_init+0x85/0x128 [ 113.878592] [<c0008665>] do_one_initcall+0x99/0x11c [ 113.878603] [<c0695a5f>] kernel_init_freeable+0x10b/0x188 [ 113.878611] [<c046f96d>] kernel_init+0x19/0x108 [ 113.878619] [<c000d4a9>] ret_from_fork+0x11/0x1c [ 113.878622] irq event stamp: 28 [ 113.878633] hardirqs last enabled at (28): [<c047e48f>] _raw_spin_unlock_irqrestore+0x2f/0x44 [ 113.878642] hardirqs last disabled at (27): [<c047e335>] _raw_spin_lock_irqsave+0x19/0x4c [ 113.878652] softirqs last enabled at (0): [<c001d658>] copy_process+0x3c4/0xe34 [ 113.878661] softirqs last disabled at (17): [<c002578b>] run_ksoftirqd+0x2f/0x5c [ 113.878664] [ 113.878664] other info that might help us debug this: [ 113.878667] Possible unsafe locking scenario: [ 113.878667] [ 113.878670] CPU0 [ 113.878673] ---- [ 113.878681] lock(cpuidle_driver_lock); [ 113.878684] <Interrupt> [ 113.878691] lock(cpuidle_driver_lock); [ 113.878693] [ 113.878693] *** DEADLOCK *** [ 113.878693] [ 113.878697] 1 lock held by ksoftirqd/4/28: [ 113.878719] #0: (hmp_force_migration){+.....}, at: [<c0054da5>] hmp_idle_pull+0x49/0x508 [ 113.878722] [ 113.878722] stack backtrace: [ 113.878727] CPU: 4 PID: 28 Comm: ksoftirqd/4 Not tainted 3.10.42+ #4 Add Comment <https://cards.linaro.org/browse/REQ-342#add-comment> Add Comment <https://cards.linaro.org/browse/REQ-342#add-comment> This message was sent by Atlassian JIRA (v6.2.6#6264-sha1:ee76422) Atlassian logo -- Thanks Alex

10 years, 3 months

mainline boot: 61 boots: 61 pass, 0 fail (v3.15-8163-g5b174fd)

by Kevin's boot bot

Tree/Branch: mainline Git describe: v3.15-8163-g5b174fd Full Report =========== arm-davinci_all_defconfig ------------------------- legacy,dm365evm 0 min 17.5 sec: PASS da850-evm 0 min 15.1 sec: PASS arm-tegra_defconfig ------------------- tegra124-jetson-tk1 0 min 17.5 sec: PASS tegra30-beaver 0 min 17.6 sec: PASS arm-multi_v7_defconfig+CONFIG_ARM_LPAE=y ---------------------------------------- tegra124-jetson-tk1 0 min 17.9 sec: PASS armada-xp-openblocks-ax3-4 0 min 25.2 sec: PASS omap5-uevm 1 min 43.2 sec: PASS (Warnings: 1) sun7i-a20-cubieboard2 0 min 13.5 sec: PASS arm-mvebu_v7_defconfig+CONFIG_CPU_BIG_ENDIAN=y ---------------------------------------------- armada-xp-openblocks-ax3-4 0 min 25.2 sec: PASS armada-370-mirabox 0 min 21.6 sec: PASS arm-omap2plus_defconfig ----------------------- legacy,3730xm 0 min 41.3 sec: PASS am335x-boneblack 0 min 22.4 sec: PASS omap3-beagle-xm 0 min 48.0 sec: PASS legacy,3530beagle 0 min 23.6 sec: PASS (Warnings: 1) omap4-panda 0 min 54.0 sec: PASS (Warnings: 1) omap3-overo-tobi 0 min 23.5 sec: PASS am335x-bone 0 min 24.1 sec: PASS omap3-overo-storm-tobi 0 min 25.1 sec: PASS omap5-uevm 0 min 53.5 sec: PASS (Warnings: 1) omap3-n900 0 min 17.6 sec: PASS legacy,n900 0 min 17.4 sec: PASS (Warnings: 1) omap4-panda-es 0 min 55.0 sec: PASS (Warnings: 1) legacy,3730storm 0 min 23.3 sec: PASS legacy,3530overo 0 min 21.5 sec: PASS (Warnings: 1) arm-multi_v7_defconfig ---------------------- imx6dl-wandboard,wand-solo 0 min 15.3 sec: PASS am335x-boneblack 0 min 22.3 sec: PASS sun7i-a20-cubieboard2 0 min 12.8 sec: PASS sun4i-a10-cubieboard 0 min 17.3 sec: PASS exynos5410-smdk5410 0 min 28.7 sec: PASS am335x-bone 0 min 23.7 sec: PASS tegra124-jetson-tk1 0 min 17.8 sec: PASS armada-370-mirabox 0 min 21.8 sec: PASS omap4-panda 0 min 47.6 sec: PASS (Warnings: 1) imx6q-wandboard 0 min 13.9 sec: PASS imx6dl-wandboard,wand-dual 0 min 15.4 sec: PASS ste-snowball 1 min 11.5 sec: PASS tegra30-beaver 0 min 20.2 sec: PASS omap3-n900 0 min 15.9 sec: PASS qcom-apq8074-dragonboard 0 min 19.4 sec: PASS bcm28155-ap 0 min 26.8 sec: PASS omap3-overo-tobi 0 min 22.2 sec: PASS omap3-overo-storm-tobi 0 min 21.4 sec: PASS omap3-beagle-xm 0 min 49.9 sec: PASS armada-xp-openblocks-ax3-4 0 min 25.8 sec: PASS omap5-uevm 1 min 45.0 sec: PASS (Warnings: 1) omap4-panda-es 0 min 52.4 sec: PASS (Warnings: 1) exynos5250-arndale 0 min 31.0 sec: PASS arm-sunxi_defconfig ------------------- sun7i-a20-cubieboard2 0 min 11.6 sec: PASS sun4i-a10-cubieboard 0 min 11.8 sec: PASS arm-qcom_defconfig ------------------ qcom-apq8074-dragonboard 0 min 18.2 sec: PASS arm-bcm_defconfig ----------------- bcm28155-ap 0 min 22.9 sec: PASS arm-exynos_defconfig -------------------- exynos5250-arndale 0 min 29.7 sec: PASS exynos5410-smdk5410 0 min 27.3 sec: PASS arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual 0 min 15.9 sec: PASS imx6dl-wandboard,wand-solo 0 min 15.9 sec: PASS imx6q-wandboard 0 min 14.2 sec: PASS arm-multi_v7_defconfig+CONFIG_CPU_BIG_ENDIAN=y ---------------------------------------------- armada-xp-openblocks-ax3-4 0 min 26.7 sec: PASS armada-370-mirabox 0 min 22.4 sec: PASS arm-mvebu_v7_defconfig ---------------------- armada-xp-openblocks-ax3-4 0 min 22.5 sec: PASS armada-370-mirabox 0 min 20.7 sec: PASS arm-sama5_defconfig ------------------- sama5d35ek 0 min 15.4 sec: PASS

10 years, 3 months

[PATCH] cpufreq: tegra: update comment for clarity

by Viresh Kumar

Tegra's driver got updated a bit (00917dd cpufreq: Tegra: implement intermediate frequency callbacks) and implements new 'intermediate freq' infrastructure of core. Above commit updated comments about when to call clk_prepare_enable(pll_x_clk) and Doug wasn't satisfied with those comments and said this: > The "Though when target-freq is intermediate freq, we don't need to > take this reference." makes me think that this function is actually > called when target-freq is intermediate freq. I don't think it is, > right? For better clarity just make that comment more explicit about when we call tegra_target_intermediate(). Wasn't sure if we actually need a commit for this, but anyway lets other decide if its worth enough :) Reported-by: Doug Anderson <dianders(a)chromium.org> Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> --- drivers/cpufreq/tegra-cpufreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c index a5fbc0a..48bc89b 100644 --- a/drivers/cpufreq/tegra-cpufreq.c +++ b/drivers/cpufreq/tegra-cpufreq.c @@ -73,7 +73,7 @@ static int tegra_target_intermediate(struct cpufreq_policy *policy, * off when we move the cpu off of it as enabling it again while we * switch to it from tegra_target() would take additional time. Though * when target-freq is intermediate freq, we don't need to take this - * reference. + * reference and so this routine isn't called at all. */ clk_prepare_enable(pll_x_clk); -- 2.0.0.rc2

10 years, 3 months

[PATCH 3.13 014/160] tick-sched: Check tick_nohz_enabled in tick_nohz_switch_to_nohz()

by Kamal Mostafa

3.13.11.3 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Viresh Kumar <viresh.kumar(a)linaro.org> commit 27630532ef5ead28b98cfe28d8f95222ef91c2b7 upstream. Since commit d689fe222 (NOHZ: Check for nohz active instead of nohz enabled) the tick_nohz_switch_to_nohz() function returns because it checks for the tick_nohz_active flag. This can't be set, because the function itself sets it. Undo the change in tick_nohz_switch_to_nohz(). Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> Cc: linaro-kernel(a)lists.linaro.org Cc: fweisbec(a)gmail.com Cc: Arvind.Chauhan(a)arm.com Cc: linaro-networking(a)linaro.org Link: http://lkml.kernel.org/r/40939c05f2d65d781b92b20302b02243d0654224.139753798… Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de> Signed-off-by: Kamal Mostafa <kamal(a)canonical.com> --- kernel/time/tick-sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index ea20f7d..29b063b 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -970,7 +970,7 @@ static void tick_nohz_switch_to_nohz(void) struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched); ktime_t next; - if (!tick_nohz_active) + if (!tick_nohz_enabled) return; local_irq_disable(); -- 1.9.1

10 years, 3 months

[PATCH 3.13 013/160] tick-common: Fix wrong check in tick_check_replacement()

by Kamal Mostafa

3.13.11.3 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Viresh Kumar <viresh.kumar(a)linaro.org> commit 521c42990e9d561ed5ed9f501f07639d0512b3c9 upstream. tick_check_replacement() returns if a replacement of clock_event_device is possible or not. It does this as the first check: if (tick_check_percpu(curdev, newdev, smp_processor_id())) return false; Thats wrong. tick_check_percpu() returns true when the device is useable. Check for false instead. [ tglx: Massaged changelog ] Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> Cc: linaro-kernel(a)lists.linaro.org Cc: fweisbec(a)gmail.com Cc: Arvind.Chauhan(a)arm.com Cc: linaro-networking(a)linaro.org Link: http://lkml.kernel.org/r/486a02efe0246635aaba786e24b42d316438bf3b.139753798… Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de> Signed-off-by: Kamal Mostafa <kamal(a)canonical.com> --- kernel/time/tick-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 162b03a..425bfae 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -275,7 +275,7 @@ static bool tick_check_preferred(struct clock_event_device *curdev, bool tick_check_replacement(struct clock_event_device *curdev, struct clock_event_device *newdev) { - if (tick_check_percpu(curdev, newdev, smp_processor_id())) + if (!tick_check_percpu(curdev, newdev, smp_processor_id())) return false; return tick_check_preferred(curdev, newdev); -- 1.9.1

10 years, 3 months

[3.13.y.z extended stable] Patch "tick-common: Fix wrong check in tick_check_replacement()" has been added to staging queue

by Kamal Mostafa

This is a note to let you know that I have just added a patch titled tick-common: Fix wrong check in tick_check_replacement() to the linux-3.13.y-queue branch of the 3.13.y.z extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/lin… This patch is scheduled to be released in version 3.13.11.3. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.13.y.z tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ >From a7a150dca33ba90ecf23eb27b055c1a3267cb263 Mon Sep 17 00:00:00 2001 From: Viresh Kumar <viresh.kumar(a)linaro.org> Date: Tue, 15 Apr 2014 10:54:37 +0530 Subject: tick-common: Fix wrong check in tick_check_replacement() commit 521c42990e9d561ed5ed9f501f07639d0512b3c9 upstream. tick_check_replacement() returns if a replacement of clock_event_device is possible or not. It does this as the first check: if (tick_check_percpu(curdev, newdev, smp_processor_id())) return false; Thats wrong. tick_check_percpu() returns true when the device is useable. Check for false instead. [ tglx: Massaged changelog ] Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> Cc: linaro-kernel(a)lists.linaro.org Cc: fweisbec(a)gmail.com Cc: Arvind.Chauhan(a)arm.com Cc: linaro-networking(a)linaro.org Link: http://lkml.kernel.org/r/486a02efe0246635aaba786e24b42d316438bf3b.139753798… Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de> Signed-off-by: Kamal Mostafa <kamal(a)canonical.com> --- kernel/time/tick-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 162b03a..425bfae 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -275,7 +275,7 @@ static bool tick_check_preferred(struct clock_event_device *curdev, bool tick_check_replacement(struct clock_event_device *curdev, struct clock_event_device *newdev) { - if (tick_check_percpu(curdev, newdev, smp_processor_id())) + if (!tick_check_percpu(curdev, newdev, smp_processor_id())) return false; return tick_check_preferred(curdev, newdev); -- 1.9.1

10 years, 3 months

[3.13.y.z extended stable] Patch "tick-sched: Check tick_nohz_enabled in tick_nohz_switch_to_nohz()" has been added to staging queue

by Kamal Mostafa

This is a note to let you know that I have just added a patch titled tick-sched: Check tick_nohz_enabled in tick_nohz_switch_to_nohz() to the linux-3.13.y-queue branch of the 3.13.y.z extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/lin… This patch is scheduled to be released in version 3.13.11.3. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.13.y.z tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ >From 05760233a5718be8d39485f78d44e50d6a721290 Mon Sep 17 00:00:00 2001 From: Viresh Kumar <viresh.kumar(a)linaro.org> Date: Tue, 15 Apr 2014 10:54:41 +0530 Subject: tick-sched: Check tick_nohz_enabled in tick_nohz_switch_to_nohz() commit 27630532ef5ead28b98cfe28d8f95222ef91c2b7 upstream. Since commit d689fe222 (NOHZ: Check for nohz active instead of nohz enabled) the tick_nohz_switch_to_nohz() function returns because it checks for the tick_nohz_active flag. This can't be set, because the function itself sets it. Undo the change in tick_nohz_switch_to_nohz(). Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> Cc: linaro-kernel(a)lists.linaro.org Cc: fweisbec(a)gmail.com Cc: Arvind.Chauhan(a)arm.com Cc: linaro-networking(a)linaro.org Link: http://lkml.kernel.org/r/40939c05f2d65d781b92b20302b02243d0654224.139753798… Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de> Signed-off-by: Kamal Mostafa <kamal(a)canonical.com> --- kernel/time/tick-sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index ea20f7d..29b063b 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -970,7 +970,7 @@ static void tick_nohz_switch_to_nohz(void) struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched); ktime_t next; - if (!tick_nohz_active) + if (!tick_nohz_enabled) return; local_irq_disable(); -- 1.9.1

10 years, 3 months

[ARM64 Kernel Question] in stack alignment exception handler

by ChiaHao

Dear all, There's a question in the arch/arm64/kernel/entry.S as following, /* * EL1 mode handlers. */ el1_sync: kernel_entry 1 mrs x1, esr_el1 // read the syndrome register lsr x24, x1, #ESR_EL1_EC_SHIFT // exception class cmp x24, #ESR_EL1_EC_DABT_EL1 // data abort in EL1 b.eq el1_da cmp x24, #ESR_EL1_EC_SYS64 // configurable trap b.eq el1_undef cmp x24, #ESR_EL1_EC_SP_ALIGN // stack alignment exception b.eq el1_sp_pc el1_sp_pc: /* * Stack or PC alignment exception handling */ mrs x0, far_el1 - mov x1, x25 ==> this is an extra operation mov x2, sp b do_sp_pc_abort //Jump to C Exception handler /**The C Exception Handler/ asmlinkage void __exception do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs) { ... } We use x1 register to store the value of ESR, and check the value to identify which exception handler to jump, And there's a weird part In stack alignment exception handler(el1_sp_pc), Why do we need to move x25 to x1? The ESR has been stored into x1, and should be directly pass to do_sp_pc_abort function "MOV x1, x25" is an extra operation and do_sp_pc_abort would get the wrong value of esr... I'm not sure whether I'm right or not, hope someone can take a look at it, thx BRs andy

10 years, 3 months

next boot: 49 pass, 15 fail (next-20140610)

by Kevin's boot bot

Tree/Branch: next Git describe: next-20140610 Failed boot tests (console logs at the end) =========================================== tegra124-jetson-tk1: OFFLINE: arm-tegra_defconfig tegra30-beaver: OFFLINE: arm-tegra_defconfig tegra124-jetson-tk1: OFFLINE: arm-multi_v7_defconfig+CONFIG_ARM_LPAE=y legacy,3530beagle: OFFLINE: arm-omap2plus_defconfig imx6dl-wandboard,wand-solo: OFFLINE: arm-multi_v7_defconfig tegra124-jetson-tk1: OFFLINE: arm-multi_v7_defconfig imx6q-wandboard: OFFLINE: arm-multi_v7_defconfig imx6dl-wandboard,wand-dual: OFFLINE: arm-multi_v7_defconfig tegra30-beaver: OFFLINE: arm-multi_v7_defconfig qcom-apq8074-dragonboard: FAIL: arm-qcom_defconfig exynos5420-arndale-octa: FAIL: arm-exynos_defconfig imx6dl-wandboard,wand-dual: OFFLINE: arm-imx_v6_v7_defconfig imx6dl-wandboard,wand-solo: OFFLINE: arm-imx_v6_v7_defconfig imx6q-wandboard: OFFLINE: arm-imx_v6_v7_defconfig ste-snowball: FAIL: arm-u8500_defconfig Full Report =========== arm-davinci_all_defconfig ------------------------- legacy,dm365evm 0 min 17.2 sec: PASS da850-evm 0 min 15.0 sec: PASS arm-tegra_defconfig ------------------- tegra124-jetson-tk1 0 min 31.9 sec: OFFLINE tegra30-beaver 0 min 31.8 sec: OFFLINE arm-multi_v7_defconfig+CONFIG_ARM_LPAE=y ---------------------------------------- tegra124-jetson-tk1 0 min 31.4 sec: OFFLINE armada-xp-openblocks-ax3-4 0 min 24.9 sec: PASS omap5-uevm 1 min 44.0 sec: PASS (Warnings: 1) sun7i-a20-cubieboard2 0 min 13.4 sec: PASS arm-mvebu_v7_defconfig+CONFIG_CPU_BIG_ENDIAN=y ---------------------------------------------- armada-xp-openblocks-ax3-4 0 min 24.1 sec: PASS armada-370-mirabox 0 min 21.0 sec: PASS arm-omap2plus_defconfig ----------------------- legacy,3730xm 0 min 38.3 sec: PASS am335x-boneblack 0 min 22.3 sec: PASS omap3-beagle-xm 0 min 50.4 sec: PASS legacy,3530beagle 0 min 31.4 sec: OFFLINE omap4-panda 0 min 53.8 sec: PASS (Warnings: 1) omap3-overo-tobi 0 min 23.2 sec: PASS am335x-bone 0 min 23.9 sec: PASS omap3-overo-storm-tobi 0 min 23.9 sec: PASS omap5-uevm 0 min 56.9 sec: PASS (Warnings: 1) omap3-n900 0 min 17.6 sec: PASS legacy,n900 0 min 17.1 sec: PASS (Warnings: 1) omap4-panda-es 0 min 55.6 sec: PASS (Warnings: 1) legacy,3730storm 0 min 22.9 sec: PASS legacy,3530overo 0 min 21.0 sec: PASS (Warnings: 1) arm-multi_v7_defconfig ---------------------- imx6dl-wandboard,wand-solo 0 min 31.4 sec: OFFLINE am335x-boneblack 0 min 22.1 sec: PASS sun7i-a20-cubieboard2 0 min 13.1 sec: PASS sun4i-a10-cubieboard 0 min 20.6 sec: PASS exynos5410-smdk5410 0 min 28.8 sec: PASS am335x-bone 0 min 24.3 sec: PASS tegra124-jetson-tk1 0 min 31.4 sec: OFFLINE armada-370-mirabox 0 min 21.8 sec: PASS omap4-panda 0 min 53.5 sec: PASS (Warnings: 1) imx6q-wandboard 0 min 31.4 sec: OFFLINE imx6dl-wandboard,wand-dual 0 min 31.4 sec: OFFLINE ste-snowball 1 min 14.6 sec: PASS tegra30-beaver 0 min 31.4 sec: OFFLINE omap3-n900 0 min 16.1 sec: PASS qcom-apq8074-dragonboard 0 min 19.4 sec: PASS bcm28155-ap 0 min 27.0 sec: PASS omap3-overo-tobi 0 min 22.6 sec: PASS omap3-overo-storm-tobi 0 min 23.5 sec: PASS omap3-beagle-xm 0 min 50.4 sec: PASS exynos5420-arndale-octa 0 min 41.0 sec: PASS armada-xp-openblocks-ax3-4 0 min 25.2 sec: PASS omap5-uevm 1 min 38.8 sec: PASS (Warnings: 1) omap4-panda-es 0 min 53.0 sec: PASS (Warnings: 1) exynos5250-arndale 0 min 31.2 sec: PASS arm-sunxi_defconfig ------------------- sun7i-a20-cubieboard2 0 min 11.8 sec: PASS sun4i-a10-cubieboard 0 min 11.4 sec: PASS arm-qcom_defconfig ------------------ qcom-apq8074-dragonboard 0 min 18.2 sec: FAIL arm-bcm_defconfig ----------------- bcm28155-ap 0 min 23.3 sec: PASS arm-exynos_defconfig -------------------- exynos5420-arndale-octa 0 min 38.6 sec: FAIL exynos5250-arndale 1 min 1.9 sec: PASS exynos5410-smdk5410 0 min 30.6 sec: PASS arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual 0 min 31.4 sec: OFFLINE imx6dl-wandboard,wand-solo 0 min 31.4 sec: OFFLINE imx6q-wandboard 0 min 31.4 sec: OFFLINE arm-u8500_defconfig ------------------- ste-snowball 1 min 53.9 sec: FAIL arm-multi_v7_defconfig+CONFIG_CPU_BIG_ENDIAN=y ---------------------------------------------- armada-xp-openblocks-ax3-4 0 min 26.9 sec: PASS armada-370-mirabox 0 min 22.6 sec: PASS arm-mvebu_v7_defconfig ---------------------- armada-xp-openblocks-ax3-4 0 min 22.3 sec: PASS armada-370-mirabox 0 min 20.2 sec: PASS arm-sama5_defconfig ------------------- sama5d35ek 0 min 15.5 sec: PASS (Warnings: 1) Console logs for failures ========================= arm-tegra_defconfig ------------------- tegra124-jetson-tk1: OFFLINE: last 40 lines of boot log: -------------------------------------------------------- Connected to jetson console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(jetson console)> hardreset (user:khilman) Reboot jetson ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.92 seconds. # PYBOOT: Result: OFFLINE tegra30-beaver: OFFLINE: last 40 lines of boot log: --------------------------------------------------- Connected to beaver console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(beaver console)> hardreset (user:khilman) Reboot beaver ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.80 seconds. # PYBOOT: Result: OFFLINE arm-multi_v7_defconfig+CONFIG_ARM_LPAE=y ---------------------------------------- tegra124-jetson-tk1: OFFLINE: last 40 lines of boot log: -------------------------------------------------------- Connected to jetson console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(jetson console)> hardreset (user:khilman) Reboot jetson ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.41 seconds. # PYBOOT: Result: OFFLINE arm-omap2plus_defconfig ----------------------- legacy,3530beagle: OFFLINE: last 40 lines of boot log: ------------------------------------------------------ Connected to 3530beagle console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(3530beagle console)> hardreset (user:khilman) Reboot 3530beagle ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.45 seconds. # PYBOOT: Result: OFFLINE arm-multi_v7_defconfig ---------------------- imx6dl-wandboard,wand-solo: OFFLINE: last 40 lines of boot log: --------------------------------------------------------------- Connected to wand-solo console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(wand-solo console)> hardreset (user:khilman) Reboot wand-solo ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.38 seconds. # PYBOOT: Result: OFFLINE tegra124-jetson-tk1: OFFLINE: last 40 lines of boot log: -------------------------------------------------------- Connected to jetson console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(jetson console)> hardreset (user:khilman) Reboot jetson ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.40 seconds. # PYBOOT: Result: OFFLINE imx6q-wandboard: OFFLINE: last 40 lines of boot log: ---------------------------------------------------- Connected to wand-quad console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(wand-quad console)> hardreset (user:khilman) Reboot wand-quad ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.39 seconds. # PYBOOT: Result: OFFLINE imx6dl-wandboard,wand-dual: OFFLINE: last 40 lines of boot log: --------------------------------------------------------------- Connected to wand-dual console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(wand-dual console)> hardreset (user:khilman) Reboot wand-dual ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.38 seconds. # PYBOOT: Result: OFFLINE tegra30-beaver: OFFLINE: last 40 lines of boot log: --------------------------------------------------- Connected to beaver console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(beaver console)> hardreset (user:khilman) Reboot beaver ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.40 seconds. # PYBOOT: Result: OFFLINE arm-qcom_defconfig ------------------ qcom-apq8074-dragonboard: FAIL: last 40 lines of boot log: ---------------------------------------------------------- [ 1.423916] dfa0: c020fc90 c020fc94 60000113 ffffffff [ 1.432079] [<c06d9b40>] (__irq_svc) from [<c020fc94>] (arch_cpu_idle+0x28/0x30) [ 1.437118] [<c020fc94>] (arch_cpu_idle) from [<c0258c50>] (cpu_startup_entry+0x120/0x25c) [ 1.444585] [<c0258c50>] (cpu_startup_entry) from [<c091db44>] (start_kernel+0x318/0x37c) [ 1.452652] [<c091db44>] (start_kernel) from [<00208074>] (0x208074) [ 1.460896] CPU3: stopping [ 1.467321] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 3.15.0-next-20140610 #1 [ 1.469857] [<c0214b74>] (unwind_backtrace) from [<c02122b8>] (show_stack+0x10/0x14) [ 1.478100] [<c02122b8>] (show_stack) from [<c06d4630>] (dump_stack+0x70/0xbc) [ 1.485908] [<c06d4630>] (dump_stack) from [<c0213cd0>] (handle_IPI+0x154/0x188) [ 1.492936] [<c0213cd0>] (handle_IPI) from [<c0208588>] (gic_handle_irq+0x58/0x60) [ 1.500489] [<c0208588>] (gic_handle_irq) from [<c06d9b40>] (__irq_svc+0x40/0x70) [ 1.507859] Exception stack(0xee099f98 to 0xee099fe0) [ 1.515408] 9f80: 00000003 c0856e88 [ 1.520450] 9fa0: 00000048 00000000 ee098000 00000015 c09b6530 c097446c c06de934 c09b6530 [ 1.528609] 9fc0: c09b5da0 00000000 00000020 ee099fe0 c020fc90 c020fc94 60000013 ffffffff [ 1.536779] [<c06d9b40>] (__irq_svc) from [<c020fc94>] (arch_cpu_idle+0x28/0x30) [ 1.544934] [<c020fc94>] (arch_cpu_idle) from [<c0258c50>] (cpu_startup_entry+0x120/0x25c) [ 1.552396] [<c0258c50>] (cpu_startup_entry) from [<00208624>] (0x208624) [ 1.560465] CPU2: stopping [ 1.567319] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D 3.15.0-next-20140610 #1 [ 1.569945] [<c0214b74>] (unwind_backtrace) from [<c02122b8>] (show_stack+0x10/0x14) [ 1.578187] [<c02122b8>] (show_stack) from [<c06d4630>] (dump_stack+0x70/0xbc) [ 1.585993] [<c06d4630>] (dump_stack) from [<c0213cd0>] (handle_IPI+0x154/0x188) [ 1.593023] [<c0213cd0>] (handle_IPI) from [<c0208588>] (gic_handle_irq+0x58/0x60) [ 1.600576] [<c0208588>] (gic_handle_irq) from [<c06d9b40>] (__irq_svc+0x40/0x70) [ 1.607946] Exception stack(0xee097f98 to 0xee097fe0) [ 1.615494] 7f80: 00000002 c0856e88 [ 1.620537] 7fa0: 00000052 00000000 ee096000 00000015 c09b6530 c097446c c06de934 c09b6530 [ 1.628696] 7fc0: c09b5da0 00000000 00000020 ee097fe0 c020fc90 c020fc94 60000013 ffffffff [ 1.636865] [<c06d9b40>] (__irq_svc) from [<c020fc94>] (arch_cpu_idle+0x28/0x30) [ 1.645022] [<c020fc94>] (arch_cpu_idle) from [<c0258c50>] (cpu_startup_entry+0x120/0x25c) [ 1.652484] [<c0258c50>] (cpu_startup_entry) from [<00208624>] (0x208624) [ 1.660554] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 1.660554] ~$off # PYBOOT: Exception: kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 # PYBOOT: Time: 18.23 seconds. # PYBOOT: Result: FAIL arm-exynos_defconfig -------------------- exynos5420-arndale-octa: FAIL: last 40 lines of boot log: --------------------------------------------------------- [ 16.250386] mmcblk0: p1 p2 p3 p4 [ 16.253557] Unhandled fault: external abort on non-linefetch (0x008) at 0xf00b8088 [ 16.261094] Internal error: : 8 [#2] PREEMPT SMP ARM [ 16.266030] Modules linked in: [ 16.269067] CPU: 0 PID: 6 Comm: kworker/u16:0 Tainted: G D 3.15.0-next-20140610 #1 [ 16.277564] Workqueue: kmmcd mmc_rescan [ 16.281369] task: ef014000 ti: ef0b4000 task.ti: ef0b4000 [ 16.286747] PC is at rescan_partitions+0xb4/0x290 [ 16.291421] LR is at 0xf00b8000 [ 16.294542] pc : [<c01b07f0>] lr : [<f00b8000>] psr: 20000113 [ 16.294542] sp : ef0b5c80 ip : 00000000 fp : 00000000 [ 16.305978] r10: 00000000 r9 : ed6a8180 r8 : ef228200 [ 16.311178] r7 : 00000000 r6 : eec24280 r5 : 00000000 r4 : 00000008 [ 16.317677] r3 : 00000013 r2 : 00000000 r1 : 00000000 r0 : 00000001 [ 16.324177] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel [ 16.331456] Control: 10c5387d Table: 2000406a DAC: 00000015 [ 16.337175] Process kworker/u16:0 (pid: 6, stack limit = 0xef0b4240) [ 16.343500] Stack: (0xef0b5c80 to 0xef0b6000) [ 16.347836] 5c80: c054b3bc 00000001 ef0b4000 c038aaf0 00000001 c05265b8 ed5c7598 c0526488 [ 16.355981] 5ca0: eec24380 ed5c7468 eec24330 eec24280 00000000 ed5c7468 00000000 00000000 [ 16.364126] 5cc0: 00000000 eec24280 ef228200 eec24290 00000001 00000000 00000000 c00e3e8c [ 16.372271] 5ce0: c00e288c 00000000 00000000 00000001 eec24280 00000000 ef228270 ef22820c [ 16.380417] 5d00: 00000000 ed5c7380 00000003 c00e40f0 c05287d4 00000001 00000003 c038bf70 [ 16.388562] 5d20: c05287d4 c00e2e04 ef0b5d34 c0222f50 ef228240 00000001 eec24280 ef228200 [ 16.396708] 5d40: ef228270 ef22820c 00000000 ed5c7380 00000003 c01ae708 c01ad554 ef228200 [ 16.404854] 5d60: 00000080 0b300000 00000002 ed78f800 ed78bc00 ed78d400 ed78d400 ed78d6bc [ 16.412998] 5d80: c02bc870 ed78bc00 ed78d400 ed78bd88 ef0b5dd6 c02bd774 00000056 ed78bc6c [ 16.421144] 5da0: 00000003 ed78f800 ed78bc00 c02be3a4 00000003 ef0b5dd6 00000008 ed4a9e58 [ 16.429289] 5dc0: c0469f08 ed78d698 00000000 34362e33 42694720 32310000 694b2038 c0000042 [ 16.437435] 5de0: 00000001 ed78bc08 c058d0dc 00000000 c054b344 00000001 00000000 c054aff0 [ 16.445581] 5e00: ef013c00 c02b2cd8 c02b2cc0 c02269f4 00000000 ed78bc08 c0226ba4 ed78b808 [ 16.453726] 5e20: 00000000 c02251d0 ef335698 ed565644 ed78bc08 ed78bc3c c054af10 c02268d0 [ 16.461871] 5e40: ed78bc08 ed78bc08 c054af10 c0226040 ed78bc08 00000000 ed78bc10 c02246a8 [ 16.470017] 5e60: ef013c00 c0384a64 c047cb04 ef0b5e84 00061a80 ed78bc00 ed78bc08 c047cab0 [ 16.478162] 5e80: 00061a80 c03b5794 00000000 c02b30f8 c047cab0 c0454634 c047ca6c 00000001 [ 16.486308] 5ea0: ed78b800 00000000 ed78b800 c02b5b60 00061a80 40ff8080 00000000 ed78b9ec [ 16.494454] 5ec0: c03b5788 ~$off # PYBOOT: Exception: kernel: ERROR: failed to boot: Unhandled fault # PYBOOT: Time: 38.59 seconds. # PYBOOT: Result: FAIL arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual: OFFLINE: last 40 lines of boot log: --------------------------------------------------------------- Connected to wand-dual console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(wand-dual console)> hardreset (user:khilman) Reboot wand-dual ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.39 seconds. # PYBOOT: Result: OFFLINE imx6dl-wandboard,wand-solo: OFFLINE: last 40 lines of boot log: --------------------------------------------------------------- Connected to wand-solo console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(wand-solo console)> hardreset (user:khilman) Reboot wand-solo ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.39 seconds. # PYBOOT: Result: OFFLINE imx6q-wandboard: OFFLINE: last 40 lines of boot log: ---------------------------------------------------- Connected to wand-quad console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(wand-quad console)> hardreset (user:khilman) Reboot wand-quad ~$off # PYBOOT: Exception: ('ERROR: Could not break into u-boot.', 'OFFLINE') # PYBOOT: Time: 31.39 seconds. # PYBOOT: Result: OFFLINE arm-u8500_defconfig ------------------- ste-snowball: FAIL: last 40 lines of boot log: ---------------------------------------------- [ 3.503387] platform musb-hdrc.20.auto: Driver musb-hdrc requests probe deferral [ 3.511322] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already requested by a03e0000.usb_per5; cannot claim for musb-hdrc.20.auto [ 3.523254] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.20.auto) status -22 [ 3.530548] pinctrl-nomadik soc:pinctrl: could not request pin 256 (GPIO256_AF28) from group usb_a_1 on device pinctrl-nomadik [ 3.542053] musb-ux500 musb-hdrc.20.auto: Error applying setting, reverse things back [ 3.550628] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already requested by a03e0000.usb_per5; cannot claim for musb-hdrc.21.auto [ 3.562561] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.21.auto) status -22 [ 3.569854] pinctrl-nomadik soc:pinctrl: could not request pin 256 (GPIO256_AF28) from group usb_a_1 on device pinctrl-nomadik [ 3.581359] musb-hdrc musb-hdrc.21.auto: Error applying setting, reverse things back [ 3.589141] HS USB OTG: no transceiver configured [ 3.593872] musb-hdrc musb-hdrc.21.auto: musb_init_controller failed with status -517 [ 3.601745] platform musb-hdrc.21.auto: Driver musb-hdrc requests probe deferral [ 3.609649] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already requested by a03e0000.usb_per5; cannot claim for musb-hdrc.21.auto [ 3.621551] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.21.auto) status -22 [ 3.628875] pinctrl-nomadik soc:pinctrl: could not request pin 256 (GPIO256_AF28) from group usb_a_1 on device pinctrl-nomadik [ 3.640350] musb-ux500 musb-hdrc.21.auto: Error applying setting, reverse things back [ 3.648925] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already requested by a03e0000.usb_per5; cannot claim for musb-hdrc.22.auto [ 3.660858] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.22.auto) status -22 [ 3.668182] pinctrl-nomadik soc:pinctrl: could not request pin 256 (GPIO256_AF28) from group usb_a_1 on device pinctrl-nomadik [ 3.679656] musb-hdrc musb-hdrc.22.auto: Error applying setting, reverse things back [ 3.687469] HS USB OTG: no transceiver configured [ 3.692199] musb-hdrc musb-hdrc.22.auto: musb_init_controller failed with status -517 [ 3.700042] platform musb-hdrc.22.auto: Driver musb-hdrc requests probe deferral [ 3.707946] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already requested by a03e0000.usb_per5; cannot claim for musb-hdrc.22.auto [ 3.719879] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.22.auto) status -22 [ 3.727203] pinctrl-nomadik soc:pinctrl: could not request pin 256 (GPIO256_AF28) from group usb_a_1 on device pinctrl-nomadik [ 3.738677] musb-ux500 musb-hdrc.22.auto: Error applying setting, reverse things back [ 3.747283] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already requested by a03e0000.usb_per5; cannot claim for musb-hdrc.23.auto [ 3.759216] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.23.auto) status -22 [ 3.766510] pinctrl-nomadik soc:pinctrl: could not request pin 256 (GPIO256_AF28) from group usb_a_1 on device pinctrl-nomadik [ 3.778015] musb-hdrc musb-hdrc.23.auto: Error applying setting, reverse things back [ 3.785827] HS USB OTG: no transceiver configured [ 3.790527] musb-hdrc musb-hdrc.23.auto: musb_init_controller failed with status -517 [ 3.798370] platform musb-hdrc.23.auto: Driver musb-hdrc requests probe deferral [ 3.806304] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already requested by a03e0000.usb_per5; cannot claim for musb-hdrc.23.auto [ 3.818237] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.23.auto) status -22 ~$off # PYBOOT: Exception: kernel: ERROR: failed to boot: <class 'pexpect.TIMEOUT'> # PYBOOT: Time: 113.90 seconds. # PYBOOT: Result: FAIL

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linaro-kernel June 2014