[Gluster-devel] Regression failing on tests/bugs/core/bug-1432542-mpx-restart-crash.t

[Poornima Gurusiddaiah]

Hi,

The regression is failing consistently for patch [1] but never on local
setup. But, it has failed for many other patches as well [2]. Sometimes it
generates core. Its crashing because the lookup is issued after the fini()
is called on the xlators. This crash seems unrelated to the patch it is
failing on. Anyone else has seen similar crash?

#0  0x00007f218b1447dc in quota_lookup (frame=0x7f21682480f8,
this=0x7f21487ebd10,
    loc=0x7f208b5428d0, xattr_req=0x0) at quota.c:1663
#1  0x00007f218af2022b in io_stats_lookup (frame=0x7f2168247fc8,
    this=0x7f21487ed580, loc=0x7f208b5428d0, xdata=0x0) at io-stats.c:2784
#2  0x00007f219eebf87a in default_rmdir (frame=0x7f2168247fc8,
this=0x7f21487ef210,
    loc=0x7f208b5428d0, flags=0, xdata=0x7f21487ee5c0) at defaults.c:2728
#3  0x00007f219ee3bd4e in syncop_lookup (subvol=0x7f21487ef210,
loc=0x7f208b5428d0,
    iatt=0x7f208b542830, parent=0x0, xdata_in=0x0, xdata_out=0x0) at
syncop.c:1260
#4  0x00007f218aa9c562 in server_first_lookup (this=0x7f218c032b40,
    client=0x7f216822ce00, reply=0x7f2168207fa8) at server-handshake.c:382
#5  0x00007f218aa9e0cd in server_setvolume (req=0x7f21684087c8)
    at server-handshake.c:886

(gdb) p this->private
$1 = (void *) 0x0
(gdb) p this->name
$2 = 0x7f21487e9ec0 "patchy-vol02-quota"
(gdb) p *this
$3 = {name = 0x7f21487e9ec0 "patchy-vol02-quota",
  type = 0x7f21487eba90 "features/quota", instance_name = 0x0,
...
  pass_through_fops = 0x7f219f0ee7c0 <_default_fops>, cleanup_starting = 1,
  call_cleanup = 1}
(gdb) p this->local_pool
$4 = (struct mem_pool *) 0x0


[1] https://review.gluster.org/#/c/20362/
[2]
https://fstat.gluster.org/failure/209?state=2&start_date=2018-05-25&end_date=2018-06-29&branch=all


Regards,
Poornima
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