[Bug 208907] [fstests generic/074 on xfs]: 5.7.10 fails with a hung task on

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https://bugzilla.kernel.org/show_bug.cgi?id=208907

--- Comment #2 from Dave Chinner (david@xxxxxxxxxxxxx) ---
On Fri, Aug 14, 2020 at 06:43:18PM +0000, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
wrote:
> Just ssh to kdevops-xfs and run:
> 
> cd /var/lib/xfstests/
> ./gendisks.sh -m
> ./check generic/074
> 
> Aug 14 18:27:34 kdevops-xfs-dev kernel: XFS (loop16): Mounting V5 Filesystem
> Aug 14 18:27:34 kdevops-xfs-dev kernel: XFS (loop16): Ending clean mount
> Aug 14 18:27:34 kdevops-xfs-dev kernel: xfs filesystem being mounted at
> /media/test supports timestamps until 2038 (0x7fffffff)
> Aug 14 18:28:16 kdevops-xfs-dev kernel: nvme nvme1: I/O 128 QID 2 timeout,
> aborting
> Aug 14 18:28:16 kdevops-xfs-dev kernel: nvme nvme1: Abort status: 0x4001
> Aug 14 18:28:47 kdevops-xfs-dev kernel: nvme nvme1: I/O 128 QID 2 timeout,
> reset controller

Hardware lost an IO. I'm guessing the error handling that reset the
controller failed to error out the bio the lost IO belonged to, so
XFS has hung waiting for it...

Cheers,

Dave.

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