Re: [PATCH 5.15 000/183] 5.15.134-rc1 review

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On Wed, 4 Oct 2023 at 23:33, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> This is the start of the stable review cycle for the 5.15.134 release.
> There are 183 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 Fri, 06 Oct 2023 17:51:12 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.134-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Results from Linaro’s test farm.
Regressions on x86.

Following kernel warning noticed on x86 while booting stable-rc 5.15.134-rc1
with selftest merge config built kernel.

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

Anyone noticed this kernel warning ?

This is always reproducible while booting x86 with a given config.

x86 boot log:
-----
[    0.000000] Linux version 5.15.134-rc1 (tuxmake@tuxmake)
(x86_64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils
for Debian) 2.40) #1 SMP @1696443178
...
[    1.480701] ------------[ cut here ]------------
[    1.481296] WARNING: CPU: 0 PID: 13 at kernel/rcu/tasks.h:958
trc_inspect_reader+0x80/0xb0
[    1.481296] Modules linked in:
[    1.481296] CPU: 0 PID: 13 Comm: rcu_tasks_trace Not tainted 5.15.134-rc1 #1
[    1.481296] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.5 11/26/2020
[    1.481296] RIP: 0010:trc_inspect_reader+0x80/0xb0
[    1.481296] Code: b6 83 45 04 00 00 84 c0 75 48 c6 83 45 04 00 00
01 b8 01 00 00 00 5b 41 5c 5d c3 cc cc cc cc 0f 94 c0 eb b4 f6 43 2c
02 75 02 <0f> 0b 48 83 05 36 f8 ee 02 01 b8 01 00 00 00 48 83 05 21 f8
ee 02
[    1.481296] RSP: 0000:ffffb25e000afd70 EFLAGS: 00010046
[    1.481296] RAX: 0000000000000000 RBX: ffff9b40c080d040 RCX: 0000000000000003
[    1.481296] RDX: ffff9b4427b80000 RSI: 0000000000000000 RDI: ffff9b40c080d040
[    1.481296] RBP: ffffb25e000afd80 R08: e32db91cdfdc3bef R09: 00000000035b89d4
[    1.481296] R10: 000000006a495065 R11: 0000000000000030 R12: ffffffffae692100
[    1.481296] R13: 0000000000000000 R14: ffff9b40c080d9a8 R15: 0000000000000000
[    1.481296] FS:  0000000000000000(0000) GS:ffff9b4427a00000(0000)
knlGS:0000000000000000
[    1.481296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.481296] CR2: ffff9b4297201000 CR3: 00000002d5e26001 CR4: 00000000003706f0
[    1.481296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    1.481296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    1.481296] Call Trace:
[    1.481296]  <TASK>
[    1.481296]  ? show_regs.cold+0x1a/0x1f
[    1.481296]  ? __warn+0x88/0x120
[    1.481296]  ? trc_inspect_reader+0x80/0xb0
[    1.481296]  ? report_bug+0xa8/0xd0
[    1.481296]  ? handle_bug+0x40/0x70
[    1.481296]  ? exc_invalid_op+0x18/0x70
[    1.481296]  ? asm_exc_invalid_op+0x1b/0x20
[    1.481296]  ? rcu_tasks_kthread+0x250/0x250
[    1.481296]  ? trc_inspect_reader+0x80/0xb0
[    1.481296]  ? rcu_tasks_kthread+0x250/0x250
[    1.481296]  try_invoke_on_locked_down_task+0x109/0x120
[    1.481296]  trc_wait_for_one_reader.part.0+0x48/0x270
[    1.481296]  rcu_tasks_trace_postscan+0x76/0xb0
[    1.481296]  rcu_tasks_wait_gp+0x186/0x380
[    1.481296]  ? _raw_spin_unlock_irqrestore+0x35/0x50
[    1.481296]  rcu_tasks_kthread+0x145/0x250
[    1.481296]  ? do_wait_intr_irq+0xc0/0xc0
[    1.481296]  ? synchronize_rcu_tasks_rude+0x20/0x20
[    1.481296]  kthread+0x146/0x170
[    1.481296]  ? set_kthread_struct+0x50/0x50
[    1.481296]  ret_from_fork+0x1f/0x30
[    1.481296]  </TASK>
[    1.481296] irq event stamp: 132
[    1.481296] hardirqs last  enabled at (131): [<ffffffffaf7936a5>]
_raw_spin_unlock_irqrestore+0x35/0x50
[    1.481296] hardirqs last disabled at (132): [<ffffffffaf79345b>]
_raw_spin_lock_irqsave+0x5b/0x60
[    1.481296] softirqs last  enabled at (54): [<ffffffffae69201c>]
rcu_tasks_kthread+0x16c/0x250
[    1.481296] softirqs last disabled at (50): [<ffffffffae69201c>]
rcu_tasks_kthread+0x16c/0x250
[    1.481296] ---[ end trace 5a00c61d8412a9ac ]---


Links:
----
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.133-184-g6f28ecf24aef/testrun/20260259/suite/log-parser-boot/test/check-kernel-exception/log
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.133-184-g6f28ecf24aef/testrun/20260259/suite/log-parser-boot/tests/
 Build: https://storage.tuxsuite.com/public/linaro/lkft/builds/2WJFhcfqqG69pqj6LWuI14kVoP5/

steps to reproduce:
--------
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2WJFhcfqqG69pqj6LWuI14kVoP5/tuxmake_reproducer.sh

## Build
* kernel: 5.15.134-rc1
* git: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
* git branch: linux-5.15.y
* git commit: 6f28ecf24aef2896f4071dc6268d3fb5f8259c77
* git describe: v5.15.133-184-g6f28ecf24aef
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.133-184-g6f28ecf24aef

## Test Regressions (compared to v5.15.133)
* x86, log-parser-boot
  - check-kernel-exception
  - check-kernel-warning

* x86, log-parser-test
  - check-kernel-exception
  - check-kernel-warning


## Metric Regressions (compared to v5.15.133)

## Test Fixes (compared to v5.15.133)

## Metric Fixes (compared to v5.15.133)

## Test result summary
total: 90392, pass: 71514, fail: 2557, skip: 16224, xfail: 97

## Build Summary
* arc: 4 total, 4 passed, 0 failed
* arm: 114 total, 114 passed, 0 failed
* arm64: 42 total, 42 passed, 0 failed
* i386: 32 total, 31 passed, 1 failed
* mips: 27 total, 26 passed, 1 failed
* parisc: 4 total, 4 passed, 0 failed
* powerpc: 26 total, 25 passed, 1 failed
* riscv: 11 total, 11 passed, 0 failed
* s390: 12 total, 11 passed, 1 failed
* sh: 13 total, 11 passed, 2 failed
* sparc: 8 total, 8 passed, 0 failed
* x86_64: 38 total, 38 passed, 0 failed

## Test suites summary
* boot
* kselftest-android
* kselftest-arm64
* kselftest-breakpoints
* kselftest-capabilities
* kselftest-cgroup
* kselftest-clone3
* kselftest-core
* kselftest-cpu-hotplug
* kselftest-cpufreq
* kselftest-drivers-dma-buf
* kselftest-efivarfs
* kselftest-exec
* kselftest-filesystems
* kselftest-filesystems-binderfs
* kselftest-filesystems-epoll
* kselftest-firmware
* kselftest-fpu
* kselftest-ftrace
* kselftest-futex
* kselftest-gpio
* kselftest-intel_pstate
* kselftest-ipc
* kselftest-ir
* kselftest-kcmp
* kselftest-kexec
* kselftest-kvm
* kselftest-lib
* kselftest-membarrier
* kselftest-memfd
* kselftest-memory-hotplug
* kselftest-mincore
* kselftest-mount
* kselftest-mqueue
* kselftest-net
* kselftest-net-forwarding
* kselftest-net-mptcp
* kselftest-netfilter
* kselftest-nsfs
* kselftest-openat2
* kselftest-pid_namespace
* kselftest-pidfd
* kselftest-proc
* kselftest-pstore
* kselftest-ptrace
* kselftest-rseq
* kselftest-rtc
* kselftest-seccomp
* kselftest-sigaltstack
* kselftest-size
* kselftest-splice
* kselftest-static_keys
* kselftest-sync
* kselftest-sysctl
* kselftest-tc-testing
* kselftest-timens
* kselftest-tmpfs
* kselftest-tpm2
* kselftest-user
* kselftest-user_events
* kselftest-vDSO
* kselftest-vm
* kselftest-watchdog
* kselftest-x86
* kselftest-zram
* kunit
* kvm-unit-tests
* libgpiod
* log-parser-boot
* log-parser-test
* ltp-cap_bounds
* ltp-commands
* ltp-containers
* ltp-controllers
* ltp-cpuhotplug
* ltp-crypto
* ltp-cve
* ltp-dio
* ltp-fcntl-locktests
* ltp-filecaps
* ltp-fs
* ltp-fs_bind
* ltp-fs_perms_simple
* ltp-fsx
* ltp-hugetlb
* ltp-io
* ltp-ipc
* ltp-math
* ltp-mm
* ltp-nptl
* ltp-pty
* ltp-sched
* ltp-securebits
* ltp-smoke
* ltp-syscalls
* ltp-tracing
* network-basic-tests
* perf
* rcutorture
* v4l2-compliance

--
Linaro LKFT
https://lkft.linaro.org




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