Debian on HP ProLiant server hangs (disk i/o is my guess)

Posted by Martin on Server Fault See other posts from Server Fault or by Martin
Published on 2012-03-30T01:43:51Z Indexed on 2012/03/30 5:32 UTC
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Filed under:

debian

|

zfs

|

debian-squeeze

I installed Debian (2.6.32-5-amd64) on my HP ProLiant MicroServer (purchased recently.) I also added 3 2tb hd in zfs. I've experienced several server froze. Sometimes it showed Soft lockup CUP stuck for 61s! Today I experienced a different problem (I think) and the message looked like this

[431336.200002] Call Trace:
[431336.200002]  [<ffffffff812fcc7c>] ? _write_lock+0xe/0xf
[431336.200002]  [<ffffffff810d7a86>] ? __vmalloc_node+0x99/0xe2
:
:

and (in different screen)

[431354.222318] Node 0 DMA32 free: 2064kB min:5520kB low:69900kB high:8280kB active_anon:181648kB inactive_anon:61728kB active_file:313152kB inactive_file:832456kB unevictable: 0kB isolated(anon): 0kB isolated(file):0kB present:1922596kB mlocked:0kB dirty:72kB writeback:0kB mapped:25620kB shmem:344kB slab_reclaimable:34460kB slab_unreclaimable:31400kB kernel_stack:2288kB pagetables:7556kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[431354.222431] lowmem_reserve[]: 0 0 0 0
:
:

Is this a hardware problem? What tools/methods can I find out the source of the problem? I've used Debian for years but never had problem like this.

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