Lkft-triage

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Re: [PATCH 3/4] KVM: x86: WARN and reject loading KVM if NX is supported but not enabled

by Naresh Kamboju

On Fri, 25 Jun 2021 at 14:35, Paolo Bonzini <pbonzini(a)redhat.com> wrote: > > On 25/06/21 00:33, Sean Christopherson wrote: > > On Tue, Jun 15, 2021, Sean Christopherson wrote: > >> WARN if NX is reported as supported but not enabled in EFER. All flavors > >> of the kernel, including non-PAE 32-bit kernels, set EFER.NX=1 if NX is > >> supported, even if NX usage is disable via kernel command line. > > > > Ugh, I misread .Ldefault_entry in head_32.S, it skips over the entire EFER code > > if PAE=0. Apparently I didn't test this with non-PAE paging and EPT? > > > > Paolo, I'll send a revert since it's in kvm/next, but even better would be if > > you can drop the patch :-) Lucky for me you didn't pick up patch 4/4 that > > depends on this... > > > > I'll revisit this mess in a few weeks. > > Rather, let's keep this, see if anyone complains and possibly add a > "depends on X86_PAE || X86_64" to KVM. [ please ignore if this is already reported ] The following kernel warning noticed while booting linus master branch and Linux next 20210707 tag on i386 kernel booting on x86_64 machine. This is easily reproducible on qemu boot also. Crash log: [ 3.269888] ------------[ cut here ]------------ [ 3.274522] WARNING: CPU: 1 PID: 1 at /usr/src/kernel/arch/x86/kvm/x86.c:10985 kvm_arch_hardware_setup+0x70/0x1660 [ 3.284876] Modules linked in: [ 3.287942] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.13.0 #1 [ 3.293869] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.2 05/23/2018 [ 3.301262] EIP: kvm_arch_hardware_setup+0x70/0x1660 [ 3.306236] Code: d2 a8 08 0f 85 61 14 00 00 8b 43 0c e8 19 0c f5 00 85 c0 89 45 c4 74 2a 8b 45 c4 8d 65 f4 5b 5e 5f 5d c3 8d b4 26 00 00 00 00 <0f> 0b c7 45 c4 fb ff ff ff 8b 45 c4 8d 65 f4 5b 5e 5f 5d c3 8d 74 [ 3.324983] EAX: 2c100000 EBX: d2270360 ECX: 00000000 EDX: 00000000 [ 3.331255] ESI: 00000000 EDI: 00000000 EBP: c118df00 ESP: c118de98 [ 3.337522] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010246 [ 3.344310] CR0: 80050033 CR2: 00000000 CR3: 12322000 CR4: 003506d0 [ 3.350582] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 3.356849] DR6: fffe0ff0 DR7: 00000400 [ 3.360687] Call Trace: [ 3.363142] ? __mutex_unlock_slowpath+0x25/0x280 [ 3.367868] ? mutex_unlock+0x10/0x20 [ 3.371549] ? alloc_workqueue+0x28d/0x3c0 [ 3.375668] ? kvm_irqfd_init+0x16/0x30 [ 3.379522] kvm_init+0x51/0x2a0 [ 3.382773] ? vmx_check_processor_compat+0x8f/0x8f [ 3.387666] vmx_init+0x21/0x96 [ 3.390813] ? vmx_check_processor_compat+0x8f/0x8f [ 3.395702] do_one_initcall+0x47/0x290 [ 3.399547] ? parse_args+0x70/0x3a0 [ 3.403130] ? rcu_read_lock_sched_held+0x2f/0x50 [ 3.407850] ? trace_initcall_level+0x6d/0x95 [ 3.412220] ? kernel_init_freeable+0x1f8/0x25a [ 3.416769] kernel_init_freeable+0x217/0x25a [ 3.421138] ? rest_init+0x240/0x240 [ 3.424724] kernel_init+0x17/0x100 [ 3.428217] ret_from_fork+0x1c/0x28 [ 3.431813] irq event stamp: 1214031 [ 3.435402] hardirqs last enabled at (1214041): [<d0b86436>] console_unlock+0x306/0x500 [ 3.443497] hardirqs last disabled at (1214050): [<d0b864a5>] console_unlock+0x375/0x500 [ 3.451591] softirqs last enabled at (1213878): [<d199ac28>] __do_softirq+0x2b8/0x3c9 [ 3.459510] softirqs last disabled at (1213873): [<d0ab6e55>] call_on_stack+0x45/0x50 [ 3.467348] ---[ end trace f4fc6886f36388fb ]--- [ 3.472180] has_svm: not amd or hygon [ 3.475865] kvm: no hardware support Reported-by: Naresh Kamboju <naresh.kamboju(a)linaro.org> Full test log on next: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20210707/te… Full test log on mainline: https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v5.13-11855-… metadata: git branch: master git repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git commit: 122fa8c588316aacafe7e5a393bb3e875eaf5b25 kernel-config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/intel-core2-32/lkft… steps to build kernel: https://builds.tuxbuild.com/1uyNgJdyxxpRQLDF0kxuvlK0tLD/tuxmake_reproducer.… Steps to reproduce: # qemu-system-i386 -cpu host -enable-kvm -nographic -net nic,model=virtio,macaddr=DE:AD:BE:EF:66:10 -net tap -m 4096 -monitor none -kernel bzImage --append "root=/dev/sda rootwait console=ttyS0,115200" -hda rpb-console-image-lkft-intel-core2-32-20210525221022.rootfs.ext4 -- Linaro LKFT https://lkft.linaro.org

5 years, 4 months

[PATCH 5.10 0/7] 5.10.48-rc1 review

by Sasha Levin

This is the start of the stable review cycle for the 5.10.48 release. There are 7 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Wed 07 Jul 2021 10:59:49 AM UTC. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y and the diffstat can be found below. Thanks, Sasha ------------- Pseudo-Shortlog of commits: Christian König (1): drm/nouveau: fix dma_address check for CPU/GPU sync Johannes Berg (1): gpio: AMD8111 and TQMX86 require HAS_IOPORT_MAP Loic Poulain (1): gpio: mxc: Fix disabled interrupt wake-up support ManYi Li (1): scsi: sr: Return appropriate error code when disk is ejected Mark Bloch (1): RDMA/mlx5: Block FDB rules when not in switchdev mode Sasha Levin (1): Linux 5.10.48-rc1 Sean Christopherson (1): Revert "KVM: x86/mmu: Drop kvm_mmu_extended_role.cr4_la57 hack" Makefile | 4 ++-- arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/mmu/mmu.c | 1 + drivers/gpio/Kconfig | 2 ++ drivers/gpio/gpio-mxc.c | 2 +- drivers/gpu/drm/nouveau/nouveau_bo.c | 4 ++-- drivers/infiniband/hw/mlx5/fs.c | 7 +++++++ drivers/scsi/sr.c | 2 ++ 8 files changed, 18 insertions(+), 5 deletions(-) -- 2.30.2

5 years, 4 months

[PATCH 5.12 0/7] 5.12.15-rc1 review

by Sasha Levin

This is the start of the stable review cycle for the 5.12.15 release. There are 7 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Wed 07 Jul 2021 10:59:20 AM UTC. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.12.y and the diffstat can be found below. Thanks, Sasha ------------- Pseudo-Shortlog of commits: Christian König (1): drm/nouveau: fix dma_address check for CPU/GPU sync Johannes Berg (1): gpio: AMD8111 and TQMX86 require HAS_IOPORT_MAP Loic Poulain (1): gpio: mxc: Fix disabled interrupt wake-up support ManYi Li (1): scsi: sr: Return appropriate error code when disk is ejected Sasha Levin (1): Linux 5.12.15-rc1 Sean Christopherson (1): Revert "KVM: x86/mmu: Drop kvm_mmu_extended_role.cr4_la57 hack" Tony Krowiak (1): s390/vfio-ap: clean up mdev resources when remove callback invoked Makefile | 4 ++-- arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/mmu/mmu.c | 1 + drivers/gpio/Kconfig | 2 ++ drivers/gpio/gpio-mxc.c | 2 +- drivers/gpu/drm/nouveau/nouveau_bo.c | 4 ++-- drivers/s390/crypto/vfio_ap_ops.c | 10 ---------- drivers/scsi/sr.c | 2 ++ 8 files changed, 11 insertions(+), 15 deletions(-) -- 2.30.2

5 years, 4 months

[PATCH 5.13 0/2] 5.13.1-rc1 review

by Sasha Levin

This is the start of the stable review cycle for the 5.13.1 release. There are 2 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Wed 07 Jul 2021 10:49:46 AM UTC. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.13.y and the diffstat can be found below. Thanks, Sasha ------------- Pseudo-Shortlog of commits: Sasha Levin (1): Linux 5.13.1-rc1 Sean Christopherson (1): Revert "KVM: x86/mmu: Drop kvm_mmu_extended_role.cr4_la57 hack" Makefile | 4 ++-- arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/mmu/mmu.c | 1 + 3 files changed, 4 insertions(+), 2 deletions(-) -- 2.30.2

5 years, 4 months

next 5.13.0/ee268dee405b: no regressions found in project linux-next master on OE - sanity

by Linaro QA

Summary ------------------------------------------------------------------------ kernel: 5.13.0 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git branch: master git commit: ee268dee405b4710e179426a431ffe0cdee14f13 git describe: next-20210707 Test details: https://qa-reports.linaro.org/lkft/linux-next-master-sanity/build/next-2021… No regressions (compared to build next-20210706) No fixes (compared to build next-20210706) Boards, architectures and test suites: ------------------------------------- arc * build - fail: 2, pass: 8, * linux-log-parser - pass: 8, s390 * build - fail: 9, * linux-log-parser - pass: 8, x15 - arm * build - fail: 1, * linux-log-parser - pass: 8, -- Linaro QA https://qa-reports.linaro.org

5 years, 4 months

next 5.13.0/ee268dee405b: no regressions found in project linux-next master on OE

by Linaro QA

Summary ------------------------------------------------------------------------ kernel: 5.13.0 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git branch: master git commit: ee268dee405b4710e179426a431ffe0cdee14f13 git describe: next-20210707 Test details: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20210707 No regressions (compared to build next-20210706) No fixes (compared to build next-20210706) Boards, architectures and test suites: ------------------------------------- arc * build - fail: 2, pass: 8, * linux-log-parser - pass: 8, s390 * build - fail: 9, * linux-log-parser - pass: 8, x15 - arm * build - fail: 1, * linux-log-parser - pass: 8, -- Linaro QA https://qa-reports.linaro.org

5 years, 4 months

[PATCH 5.4 0/6] 5.4.130-rc1 review

by Sasha Levin

This is the start of the stable review cycle for the 5.4.130 release. There are 6 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Wed 07 Jul 2021 11:00:14 AM UTC. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y and the diffstat can be found below. Thanks, Sasha ------------- Pseudo-Shortlog of commits: Christian König (1): drm/nouveau: fix dma_address check for CPU/GPU sync Johannes Berg (1): gpio: AMD8111 and TQMX86 require HAS_IOPORT_MAP ManYi Li (1): scsi: sr: Return appropriate error code when disk is ejected Mark Bloch (1): RDMA/mlx5: Block FDB rules when not in switchdev mode Sasha Levin (1): Linux 5.4.130-rc1 YueHaibing (1): x86/efi: remove unused variables Makefile | 4 ++-- drivers/gpio/Kconfig | 2 ++ drivers/gpu/drm/nouveau/nouveau_bo.c | 4 ++-- drivers/infiniband/hw/mlx5/flow.c | 8 ++++++++ drivers/scsi/sr.c | 2 ++ security/integrity/platform_certs/load_uefi.c | 5 ----- 6 files changed, 16 insertions(+), 9 deletions(-) -- 2.30.2

5 years, 4 months

mainline 5.13.0/77d34a4683b0: no regressions found in project linux-mainline master on OE - sanity

by Linaro QA

Summary ------------------------------------------------------------------------ kernel: 5.13.0 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git branch: master git commit: 77d34a4683b053108ecd466cc7c4193b45805528 git describe: v5.13-11855-g77d34a4683b0 Test details: https://qa-reports.linaro.org/lkft/linux-mainline-master-sanity/build/v5.13… No regressions (compared to build v5.13-11788-g79160a603bdb) No fixes (compared to build v5.13-11788-g79160a603bdb) Boards, architectures and test suites: ------------------------------------- x15 - arm * build - fail: 1, * linux-log-parser - pass: 8, -- Linaro QA https://qa-reports.linaro.org

5 years, 4 months

mainline 5.13.0/77d34a4683b0: no regressions found in project linux-mainline master on OE

by Linaro QA

Summary ------------------------------------------------------------------------ kernel: 5.13.0 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git branch: master git commit: 77d34a4683b053108ecd466cc7c4193b45805528 git describe: v5.13-11855-g77d34a4683b0 Test details: https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v5.13-11855-… No regressions (compared to build v5.13-10241-g3f8b8e7dbd79) No fixes (compared to build v5.13-10241-g3f8b8e7dbd79) Boards, architectures and test suites: ------------------------------------- x15 - arm * build - fail: 1, * linux-log-parser - pass: 8, -- Linaro QA https://qa-reports.linaro.org

5 years, 4 months

next 5.13.0/d72e63193059: no regressions found in project linux-next master on OE - sanity

by Linaro QA

Summary ------------------------------------------------------------------------ kernel: 5.13.0 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git branch: master git commit: d72e63193059258a81e12af070b859ef6e0c76fb git describe: next-20210706 Test details: https://qa-reports.linaro.org/lkft/linux-next-master-sanity/build/next-2021… No regressions (compared to build next-20210701) No fixes (compared to build next-20210701) Boards, architectures and test suites: ------------------------------------- x15 - arm * build - fail: 1, * linux-log-parser - pass: 8, -- Linaro QA https://qa-reports.linaro.org

5 years, 4 months

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