db2 process crashing when CIFS is mounted

Solution Verified - Updated -

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.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content