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    SubjectRe: [PATCH 5.15 000/183] 5.15.134-rc1 review
    On Wed, 4 Oct 2023 at 23:33, Greg Kroah-Hartman
    <gregkh@linuxfoundation.org> 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@linaro.org>

    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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