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Old 04-06-2009, 05:57 AM   #1
Registered: Dec 2005
Posts: 75

Rep: Reputation: 16
INFO: <application>blocked for more than 120 seconds

HI All,
First of all i am not sure that it's the right place for this kind of problem (still placing here because i feel its hardware related ).

Recently I installed Centos 5.2 x86_64 bit OS on dell server box Power Edge 2900.
After successful installation, I found numb of "Call Traces" in my dmesg's, related to different applications and IRQ.
INFO: task java:25118 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
ffff81085fe79e68 0000000000000086 ffff81085fe79df8 ffffffff810932a2
ffff8105bbc60000 ffff8102cd99da80 ffff8105bbc60348 000000018108c798
0000000000000000 0000000000000000 00000008637bf025 0000000100000000
Call Trace:
[<ffffffff810932a2>] ? __page_set_anon_rmap+0x35/0x37
[<ffffffff813ea39b>] __down_read+0x84/0xa0
[<ffffffff813e966f>] down_read+0x2a/0x2e
[<ffffffff813ecab0>] do_page_fault+0x584/0xa04
[<ffffffff810aa11e>] ? vfs_read+0x11f/0x154
[<ffffffff813ea819>] error_exit+0x0/0x60

and the system some times goes to un-reachable state.

System generates "Call Trace" for more that one process (i.e rsync, java, IRQ0, etc)

I have no idea what this is all about, can any one help me in understanding the Root Cause of this problem.
I will appreciate if i get answered for following queries:-
-- What/Why is it ?
-- Is it hardware or application problem ?
-- I found it for IRQ 0 (as I know,which is reserved for system [i.e no user access]), does it mean that my server have some faulty hardware or can be because of wrong driver ?
--Were to dig for more ?

Some details about my box :-
Vendor: dell power Edge 2900
OS: Centos 5.2, kernel-2.6.27

Any suggestion is welcome , let me know if some more information is required in order to understand my problem.

Thanks in advance..!
Old 04-08-2009, 01:35 AM   #2
Registered: Dec 2005
Posts: 75

Original Poster
Rep: Reputation: 16
Still waiting for your responses......

Any link/steps/way which help's me for better undersetting for this problem is highly appreciated.

Thanks again to all viewers but i also need reply, so help me ..


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