Hi,
running the current panda linaro kernel 3.10.1.0-1-linaro-omap from linaro release 13.07, I run into a few kernel stacks.
Eg.:
[33222.473022] ------------[ cut here ]------------ [33222.473052] WARNING: at /build/buildd/linux-linaro-omap-3.10.1-3.10.1.0/kernel/timer.c:1122 call_timer_fn+0x81/0xb0() [33222.473083] timer: process_timeout+0x1/0xc preempt leak: 00000100 -> 00000000 [33222.473083] Modules linked in: snd_soc_omap_abe_twl6040 snd_soc_omap_mcpdm snd_soc_twl6040 snd_soc_omap snd_soc_omap_mcbsp snd_soc_core snd_compress regmap_spi snd_pcm snd_page_alloc snd_timer snd soundcore gator [33222.473114] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.10.1.0-1-linaro-omap #1ubuntu1~ci+130723003933-Ubuntu [33222.473114] [<c001175d>] (unwind_backtrace+0x1/0x9c) from [<c000f625>] (show_stack+0x11/0x14) [33222.473114] [<c000f625>] (show_stack+0x11/0x14) from [<c002b8ad>] (warn_slowpath_common+0x39/0x54) [33222.473236] [<c002b8ad>] (warn_slowpath_common+0x39/0x54) from [<c002b933>] (warn_slowpath_fmt+0x23/0x2c) [33222.473266] [<c002b933>] (warn_slowpath_fmt+0x23/0x2c) from [<c00351e5>] (call_timer_fn+0x81/0xb0) [33222.473266] [<c00351e5>] (call_timer_fn+0x81/0xb0) from [<c0035cb9>] (run_timer_softirq+0x13d/0x1c8) [33222.473297] [<c0035cb9>] (run_timer_softirq+0x13d/0x1c8) from [<c003111f>] (__do_softirq+0xc3/0x1c0) [33222.473327] [<c003111f>] (__do_softirq+0xc3/0x1c0) from [<c0031447>] (irq_exit+0x63/0x88) [33222.473327] [<c0031447>] (irq_exit+0x63/0x88) from [<c001079d>] (handle_IPI+0x59/0x158) [33222.473358] [<c001079d>] (handle_IPI+0x59/0x158) from [<c00084ff>] (gic_handle_irq+0x4b/0x50) [33222.473358] [<c00084ff>] (gic_handle_irq+0x4b/0x50) from [<c045315b>] (__irq_svc+0x3b/0x5c) [33222.473388] Exception stack(0xed8cdf50 to 0xed8cdf98) [33222.473388] df40: 00000002 00000000 00000000 00000001 [33222.473419] df60: edc7664c 00000002 c045c2e0 c0ff00b8 00000002 c06f189c edc76640 ed8cc000 [33222.473419] df80: 3b9ac9ff ed8cdf98 c0284b33 c0375b04 00000173 ffffffff [33222.473449] [<c045315b>] (__irq_svc+0x3b/0x5c) from [<c0375b04>] (cpuidle_enter_state_coupled+0x1dc/0x210) [33222.473480] [<c0375b04>] (cpuidle_enter_state_coupled+0x1dc/0x210) from [<c037436d>] (cpuidle_idle_call+0xbd/0x158) [33222.473480] [<c037436d>] (cpuidle_idle_call+0xbd/0x158) from [<c000d4b1>] (arch_cpu_idle+0xd/0x28) [33222.473480] [<c000d4b1>] (arch_cpu_idle+0xd/0x28) from [<c0058ae9>] (cpu_startup_entry+0x5d/0x164) [33222.473541] [<c0058ae9>] (cpu_startup_entry+0x5d/0x164) from [<80448ea9>] (0x80448ea9) [33222.473541] ---[ end trace 0f39b8196adfb0ec ]---
Full dmesg can be found here: https://dl.dropboxusercontent.com/u/21820416/panda-dmesg
Is this a known issue?
Rgds, Chris