Antoine Martin wrote:
Hi,
Here is another one, any ideas?
These oopses do look quite deep. Is it normal to end up in tcp_send_ack
from pdflush??
I think it can happen anywhere, part of the net softirq.
Cheers
Antoine
[929492.154634] pdflush: page allocation failure. order:0, mode:0x20
You're out of memory. How much memory did you allocate to the guest?
did you balloon it?
[929492.154637] Pid: 291, comm: pdflush Not tainted 2.6.29.2 #5
[929492.154639] Call Trace:
[929492.154641] <IRQ> [<ffffffff8027e8bc>]
__alloc_pages_internal+0x3e1/0x401
[929492.154649] [<ffffffff8055b5ea>] try_fill_recv+0xa1/0x182
[929492.154652] [<ffffffff8055c1fc>] virtnet_poll+0x533/0x5ab
[929492.154655] [<ffffffff80632bba>] net_rx_action+0x70/0x143
[929492.154658] [<ffffffff8023f18c>] __do_softirq+0x83/0x123
[929492.154661] [<ffffffff8020d35c>] call_softirq+0x1c/0x28
[929492.154664] [<ffffffff8020e2c0>] do_softirq+0x3c/0x85
[929492.154666] [<ffffffff8023eea3>] irq_exit+0x3f/0x7a
[929492.154668] [<ffffffff8020e59c>] do_IRQ+0x12b/0x14f
[929492.154670] [<ffffffff8020cad3>] ret_from_intr+0x0/0x29
[929492.154672] <EOI> [<ffffffff802c22b1>]
__set_page_dirty_buffers+0x0/0x8f
[929492.154677] [<ffffffff8031702b>] bget_one+0x0/0xb
[929492.154680] [<ffffffff80316fa2>] walk_page_buffers+0x2/0x8b
[929492.154682] [<ffffffff803185bc>] ext3_ordered_writepage+0xae/0x134
[929492.154685] [<ffffffff8027ea46>] __writepage+0xa/0x25
[929492.154687] [<ffffffff8027f19f>] write_cache_pages+0x206/0x322
[929492.154689] [<ffffffff8027ea3c>] __writepage+0x0/0x25
[929492.154691] [<ffffffff8027f2fe>] do_writepages+0x27/0x2d
[929492.154694] [<ffffffff802bd3f6>] __writeback_single_inode+0x1a7/0x3b5
[929492.154696] [<ffffffff8020a68c>] __switch_to+0xb4/0x38c
[929492.154698] [<ffffffff802bda76>] generic_sync_sb_inodes+0x2a7/0x458
[929492.154701] [<ffffffff802bde00>] writeback_inodes+0x8d/0xe6
[929492.154704] [<ffffffff807296e2>] _spin_lock+0x5/0x7
[929492.155056] [<ffffffff8027f432>] wb_kupdate+0x9f/0x116
[929492.155058] [<ffffffff80280095>] pdflush+0x14b/0x202
[929492.155061] [<ffffffff8027f393>] wb_kupdate+0x0/0x116
[929492.155063] [<ffffffff8027ff4a>] pdflush+0x0/0x202
[929492.155065] [<ffffffff8027ff4a>] pdflush+0x0/0x202
[929492.155068] [<ffffffff8024c127>] kthread+0x47/0x73
[929492.155070] [<ffffffff8020d25a>] child_rip+0xa/0x20
[929492.155072] [<ffffffff8024c0e0>] kthread+0x0/0x73
[929492.183142] [<ffffffff8020d250>] child_rip+0x0/0x20
[929492.183145] Mem-Info:
[929492.183147] DMA per-cpu:
[929492.183149] CPU 0: hi: 0, btch: 1 usd: 0
[929492.183151] DMA32 per-cpu:
[929492.183154] CPU 0: hi: 186, btch: 31 usd: 184
[929492.183158] Active_anon:2755 active_file:39849 inactive_anon:2972
[929492.183159] inactive_file:70353 unevictable:0 dirty:4172
writeback:1580 unstable:0
[929492.183161] free:734 slab:5619 mapped:15047 pagetables:927 bounce:0
[929492.183166] DMA free:1968kB min:28kB low:32kB high:40kB
active_anon:0kB inactive_anon:40kB active_file:2116kB
inactive_file:1880kB unevictable:0kB present:5448kB pages_scanned:0
all_unreclaimable? no
[929492.183169] lowmem_reserve[]: 0 489 489 489
[929492.183176] DMA32 free:968kB min:2812kB low:3512kB high:4216kB
active_anon:11020kB inactive_anon:11848kB active_file:157280kB
inactive_file:279532kB unevictable:0kB present:500896kB pages_scanned:0
all_unreclaimable? no
[929492.183180] lowmem_reserve[]: 0 0 0 0
[929492.183183] DMA: 6*4kB 2*8kB 3*16kB 1*32kB 1*64kB 2*128kB 0*256kB
1*512kB 1*1024kB 0*2048kB 0*4096kB = 1976kB
[929492.183235] DMA32: 0*4kB 1*8kB 0*16kB 0*32kB 1*64kB 3*128kB 2*256kB
0*512kB 0*1024kB 0*2048kB 0*4096kB = 968kB
[929492.183244] 110992 total pagecache pages
[929492.183246] 739 pages in swap cache
[929492.183248] Swap cache stats: add 8996, delete 8257, find 92604/93191
[929492.183250] Free swap = 1040016kB
[929492.183252] Total swap = 1048568kB
[929492.186003] 131056 pages RAM
[929492.186006] 4799 pages reserved
[929492.186007] 44697 pages shared
[929492.186008] 90516 pages non-shared
[930274.380075] eth0: no IPv6 routers present
Strange, seems to be a bit of free memory here.
--
error compiling committee.c: too many arguments to function
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