[MontelLUG] Oscuri messaggi dal kernel

[Samuele]

Mi ritrovo facendo un dmesg sti messaggi criptici.
Qualcuno mi sa dare una dritta per capire quale è il processo che li
genera e perché?
A naso sembrerebbe un problema di ram esaurita.

[109727.613011] INFO: task kswapd0:47 blocked for more than 120 seconds.
[109727.613191] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[109727.613369] kswapd0       D f29a0000     0    47      2 0x00000000
[109727.613379]  f6ce4c80 00000046 c11336ce f29a0000 00000000 c1419100
c1419100 c14146ac
[109727.613392]  f6ce4e3c c2208100 00000002 4a918f48 00000000 00000001
f6ce4c80 00000000
[109727.613403]  c22036ac f6ce4e3c 01a0c18e 00000400 00000078 00000000
00000000 00000400
[109727.615240] Call Trace:
[109727.615253]  [<c11336ce>] ? cfq_set_request+0x0/0x290
[109727.615262]  [<c126d3aa>] ? io_schedule+0x5f/0x98
[109727.615269]  [<c1129ad8>] ? get_request_wait+0xcb/0x146
[109727.615276]  [<c1043f5a>] ? autoremove_wake_function+0x0/0x2d
[109727.615281]  [<c1129f74>] ? __make_request+0x2cc/0x3d9
[109727.615286]  [<c1128be9>] ? generic_make_request+0x266/0x2b4
[109727.615292]  [<c108924e>] ? mempool_alloc+0x3b/0xdd
[109727.615297]  [<c1128cf3>] ? submit_bio+0xbc/0xd6
[109727.615304]  [<c10d06ab>] ? bio_alloc_bioset+0x23/0xba
[109727.615309]  [<c10cd3df>] ? submit_bh+0xea/0x106
[109727.615313]  [<c10cf76f>] ? __block_write_full_page+0x215/0x2de
[109727.615324]  [<c10d157c>] ? blkdev_get_block+0x0/0xb8
[109727.615329]  [<c10cf880>] ? block_write_full_page_endio+0x48/0x9e
[109727.615334]  [<c10ce5f0>] ? end_buffer_async_write+0x0/0x10e
[109727.615339]  [<c10d157c>] ? blkdev_get_block+0x0/0xb8
[109727.615374]  [<c10cf8e0>] ? block_write_full_page+0xa/0xc
[109727.615379]  [<c10ce5f0>] ? end_buffer_async_write+0x0/0x10e
[109727.615385]  [<c108faf5>] ? shrink_page_list+0x32d/0x585
[109727.615390]  [<c10900db>] ? shrink_list+0x38e/0x61b
[109727.615396]  [<c109058d>] ? shrink_zone+0x225/0x2c8
[109727.615412]  [<c1090b2b>] ? kswapd+0x3bc/0x54f
[109727.615426]  [<c108eb75>] ? isolate_pages_global+0x0/0x1bc
[109727.615435]  [<c1043f5a>] ? autoremove_wake_function+0x0/0x2d
[109727.615443]  [<c109076f>] ? kswapd+0x0/0x54f
[109727.615451]  [<c1043d28>] ? kthread+0x61/0x66
[109727.615459]  [<c1043cc7>] ? kthread+0x0/0x66
[109727.615469]  [<c1003d47>] ? kernel_thread_helper+0x7/0x10