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always fails
This patch, recently added to md-next causes the test to always fail:
7e6ba434cc60 ("md: don't unregister sync_thread with reconfig_mutex
held")
The new error is simply:
ERROR: no reshape happening
Before the patch, the error seen is below.
--
fails infrequently
Fails roughly 1 in 4 runs with errors:
mdadm: Merging with already-assembled /dev/md/0
mdadm: cannot re-read metadata from /dev/loop6 - aborting
ERROR: no reshape happening
Also have seen a random deadlock:
INFO: task mdadm:109702 blocked for more than 30 seconds.
Not tainted 5.18.0-rc3-eid-vmlocalyes-dbg-00095-g3c2b5427979d #2040
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:mdadm state:D stack: 0 pid:109702 ppid: 1 flags:0x00004000
Call Trace:
<TASK>
__schedule+0x67e/0x13b0
schedule+0x82/0x110
mddev_suspend+0x2e1/0x330
suspend_lo_store+0xbd/0x140
md_attr_store+0xcb/0x130
sysfs_kf_write+0x89/0xb0
kernfs_fop_write_iter+0x202/0x2c0
new_sync_write+0x222/0x330
vfs_write+0x3bc/0x4d0
ksys_write+0xd9/0x180
__x64_sys_write+0x43/0x50
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
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