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    SubjectRe: [PATCH 4.14 000/246] 4.14.60-stable review
    On Thu, Aug 02, 2018 at 11:25:17AM -0700, Guenter Roeck wrote:
    > On Thu, Aug 02, 2018 at 08:43:25AM -0700, Guenter Roeck wrote:
    > > On Wed, Aug 01, 2018 at 06:48:30PM +0200, Greg Kroah-Hartman wrote:
    > > > This is the start of the stable review cycle for the 4.14.60 release.
    > > > There are 246 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 Aug 3 16:49:18 UTC 2018.
    > > > Anything received after that time might be too late.
    > > >
    > >
    > > Build results:
    > > total: 148 pass: 148 fail: 0
    > > Qemu test results:
    > > total: 198 pass: 198 fail: 0
    > >
    > > Details are available at http://kerneltests.org/builders/.
    > >
    >
    > I spoke too early. parisc images crash after adding some configuration
    > options. I don't see the crash with v4.14.59. I'll send another update
    > later after figuring out what is going on.
    >

    The patch causing the problem is commit 27608f359da88eaf ("fasync: Fix deadlock
    between task-context and interrupt-context kill_fasync()"), see bisect log
    below.

    Kernel log message is as follows.

    PDC_CHASSIS: Fault (1), CHASSIS 0
    Backtrace:
    [<10267738>] dput.part.5+0x1dc/0x1f0
    [<1026776c>] dput+0x20/0x30
    [<1024f79c>] __fput+0x14c/0x230
    [<1024f8e4>] ____fput+0x18/0x28
    [<1019abe0>] task_work_run+0xa4/0xd8
    [<1016d044>] do_notify_resume+0x7c/0x84
    [<1015c258>] syscall_do_signal+0x50/0x9c

    The problem only affects v4.14.60-rc1; all other stable releases and release
    candidates are fine.

    Guenter

    ---
    # bad: [68285958fc2aaa2d85f795151e1c302d7991f1b5] Linux 4.14.60-rc1
    # good: [53208e12faa5b8c6eac4eb1d23d6e3fae450fc5a] Linux 4.14.59
    git bisect start 'HEAD' 'v4.14.59'
    # good: [77d10fced99b2dc0a8067102073005c44e71f964] rtc: vr41xx: fix possible race condition
    git bisect good 77d10fced99b2dc0a8067102073005c44e71f964
    # bad: [ae308d8e99f6549bd14fc3c639f53966a49cd260] nvme: lightnvm: add granby support
    git bisect bad ae308d8e99f6549bd14fc3c639f53966a49cd260
    # good: [ee78ecab4e4f0db3f8dbef8369a90da02a89e07f] media: saa7164: Fix driver name in debug output
    git bisect good ee78ecab4e4f0db3f8dbef8369a90da02a89e07f
    # good: [7e4011cb50b422efaa08e2ad1c009e73b59403ad] f2fs: avoid fsync() failure caused by EAGAIN in writepage()
    git bisect good 7e4011cb50b422efaa08e2ad1c009e73b59403ad
    # good: [bca093b5dd86a25b8b81ba8a54e60ee6db095f15] net: hns3: Fixes the out of bounds access in hclge_map_tqp
    git bisect good bca093b5dd86a25b8b81ba8a54e60ee6db095f15
    # bad: [539f19edd347359502e4b6ce9ce793183e0e0a18] stop_machine: Use raw spinlocks
    git bisect bad 539f19edd347359502e4b6ce9ce793183e0e0a18
    # bad: [27608f359da88eafd5e344fb7ef1aeea9052bbae] fasync: Fix deadlock between task-context and interrupt-context kill_fasync()
    git bisect bad 27608f359da88eafd5e344fb7ef1aeea9052bbae
    # good: [73b68f3851b934de3cd2e01d6039d9dff4cf74e5] dt-bindings: net: meson-dwmac: new compatible name for AXG SoC
    git bisect good 73b68f3851b934de3cd2e01d6039d9dff4cf74e5
    # first bad commit: [27608f359da88eafd5e344fb7ef1aeea9052bbae] fasync: Fix deadlock between task-context and interrupt-context kill_fasync()

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