Hi,

Unfortunately build bot hasn't been running in almost a week and we
already landed a patch that regularily make me hit that failure - it's
not 100% because I think the test is usually too short to get that
thread to run? But it's easy enough to reproduce manually on my setup

Here's the backtrace I have:

ganesha.nfsd: /export/nfs-ganesha/src/SAL/state_misc.c:917:
dec_state_owner_ref: Assertion `refcount > 0' failed.

Thread 46 "ganesha.nfsd" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffd89fe700 (LWP 4321)]
0x00007ffff53346f5 in raise () from /lib64/libc.so.6
#0  0x00007ffff53346f5 in raise () from /lib64/libc.so.6
#1  0x00007ffff53362fa in abort () from /lib64/libc.so.6
#2  0x00007ffff532cf97 in __assert_fail_base () from /lib64/libc.so.6
#3  0x00007ffff532d042 in __assert_fail () from /lib64/libc.so.6
#4  0x00000000004c0281 in dec_state_owner_ref (owner=0x7fffd5662620) at
/export/nfs-ganesha/src/SAL/state_misc.c:917
#5  0x00000000004c05eb in uncache_nfs4_owner (nfs4_owner=0x7fffd5662670)
at /export/nfs-ganesha/src/SAL/state_misc.c:1009
#6  0x0000000000455deb in reap_expired_open_owners () at
/export/nfs-ganesha/src/MainNFSD/nfs_reaper_thread.c:183
#7  0x0000000000456039 in reaper_run (ctx=0x7ffff03e6e80) at
/export/nfs-ganesha/src/MainNFSD/nfs_reaper_thread.c:247
#8  0x00000000005026c9 in fridgethr_start_routine (arg=0x7ffff03e6e80)
at /export/nfs-ganesha/src/support/fridgethr.c:550
#9  0x00007ffff79b55ca in start_thread () from /lib64/libpthread.so.0
#10 0x00007ffff5402f6d in clone () from /lib64/libc.so.6

I'll run again with more logs and reply to this very mail with them,
unless you've already seen that particular bug somewhere.

-- 
Dominique

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