[Gluster-devel] io-threads seqfault on r/w

[Harris Landgarten]

After disabling posix-locks, the tar test runs properly. Zimbra backups still cause seqfaults. Here is a bt:

inode_forget (inode=0x8059ac0, nlookup=0) at list.h:92
92              prev->next = next;
(gdb) bt
#0  inode_forget (inode=0x8059ac0, nlookup=0) at list.h:92
#1  0xb764ad0a in posix_forget () from /usr/lib/glusterfs/1.3.0-pre5/xlator/storage/posix.so
#2  0xb763f676 in iot_forget_wrapper () from /usr/lib/glusterfs/1.3.0-pre5/xlator/performance/io-threads.so
#3  0xb7fcef4a in call_resume_wind (stub=0x8059ac0) at call-stub.c:2027
#4  0xb7fcefd7 in call_resume (stub=0x8a7e630) at call-stub.c:2763
#5  0xb76437a5 in iot_worker () from /usr/lib/glusterfs/1.3.0-pre5/xlator/performance/io-threads.so
#6  0xb7f9f3db in start_thread () from /lib/libpthread.so.0
#7  0xb7f2926e in clone () from /lib/libc.so.6

Harris

----- Original Message -----
From: "Harris Landgarten" <harrisl at lhjonline.com>
To: "gluster-devel" <gluster-devel at nongnu.org>
Sent: Friday, June 29, 2007 12:20:07 PM (GMT-0500) America/New_York
Subject: [Gluster-devel] io-threads seqfault on r/w

I ran the following test:

cd /mnt/glusterfs

glusterfs # tar -cvjf ./test/test.tbz backups/

where backups is a large tree

brick2, which exports /mnt/export and /mnt/namespace crashes almost immediately with the following bt:

[Switching to Thread -1219015792 (LWP 1376)]
0xb7f1bb59 in truncate_stat_cbk () from /usr/lib/glusterfs/1.3.0-pre5/xlator/features/posix-locks.so
(gdb) bt
#0  0xb7f1bb59 in truncate_stat_cbk () from /usr/lib/glusterfs/1.3.0-pre5/xlator/features/posix-locks.so
#1  0xb7f163ac in call_resume (stub=0x805ec70) at call-stub.c:2117
#2  0xb758a770 in iot_reply () from /usr/lib/glusterfs/1.3.0-pre5/xlator/performance/io-threads.so
#3  0xb7ee63db in start_thread () from /lib/libpthread.so.0
#4  0xb7e7026e in clone () from /lib/libc.so.6

Harris


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