db2 process crashing when CIFS is mounted
Issue
- Everytime I mount a shared CIFS directory, db2 processes crashes
INFO: task db2sysc:3786 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
db2sysc D 0000000000000004 0 3786 3781 0x00000080
ffff880bd05d1e08 0000000000000082 ffff880bd05d1e48 ffff880be68db5b8
ffff880c1a1add40 ffffffff8120d52f ffff880bd05d1d98 ffff880037dce480
ffff880c1caa46b8 ffff880bd05d1fd8 000000000000f4e8 ffff880c1caa46b8
Call Trace:
[<ffffffff8120d52f>] ? security_inode_permission+0x1f/0x30
[<ffffffff8118759a>] ? do_filp_open+0x6da/0xd60
[<ffffffff814eefb5>] rwsem_down_failed_common+0x95/0x1d0
[<ffffffff811982c0>] ? single_release+0x0/0x40
[<ffffffff814ef113>] rwsem_down_write_failed+0x23/0x30
[<ffffffff81276e33>] call_rwsem_down_write_failed+0x13/0x20
[<ffffffff814ee612>] ? down_write+0x32/0x40
[<ffffffff81131e2c>] sys_mmap_pgoff+0x5c/0x2d0
[<ffffffff81010469>] sys_mmap+0x29/0x30
[<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
...
db2sysc[3786]: segfault at 185 ip 00007fda0a866e02 sp 00007fda0b46b9a0 error 6 in db2sysc[7fda0a864000+17000]
CIFS VFS: Server 192.168.0.8 has not responded in 300 seconds. Reconnecting...
Environment
- Red Hat Enterprise Linux 6.2
- Kernel 2.6.32-220
- DB2 Database
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.