> CC: "Johannes Weiner" <han...@cmpxchg.org>, "Andrew Morton" 
> <a...@linux-foundation.org>, "David Rientjes" <rient...@google.com>, 
> "KAMEZAWA Hiroyuki" <kamezawa.hir...@jp.fujitsu.com>, "KOSAKI Motohiro" 
> <kosaki.motoh...@jp.fujitsu.com>, linux...@kvack.org, 
> cgro...@vger.kernel.org, x...@kernel.org, linux-a...@vger.kernel.org, 
> linux-kernel@vger.kernel.org
>On Wed 18-09-13 16:03:04, azurIt wrote:
>[..]
>> I was finally able to get stack of problematic process :) I saved it
>> two times from the same process, as Michal suggested (i wasn't able to
>> take more). Here it is:
>> 
>> First (doesn't look very helpfull):
>> [<ffffffffffffffff>] 0xffffffffffffffff
>
>No it is not.
> 
>> Second:
>> [<ffffffff810e17d1>] shrink_zone+0x481/0x650
>> [<ffffffff810e2ade>] do_try_to_free_pages+0xde/0x550
>> [<ffffffff810e310b>] try_to_free_pages+0x9b/0x120
>> [<ffffffff81148ccd>] free_more_memory+0x5d/0x60
>> [<ffffffff8114931d>] __getblk+0x14d/0x2c0
>> [<ffffffff8114c973>] __bread+0x13/0xc0
>> [<ffffffff811968a8>] ext3_get_branch+0x98/0x140
>> [<ffffffff81197497>] ext3_get_blocks_handle+0xd7/0xdc0
>> [<ffffffff81198244>] ext3_get_block+0xc4/0x120
>> [<ffffffff81155b8a>] do_mpage_readpage+0x38a/0x690
>> [<ffffffff81155ffb>] mpage_readpages+0xfb/0x160
>> [<ffffffff811972bd>] ext3_readpages+0x1d/0x20
>> [<ffffffff810d9345>] __do_page_cache_readahead+0x1c5/0x270
>> [<ffffffff810d9411>] ra_submit+0x21/0x30
>> [<ffffffff810cfb90>] filemap_fault+0x380/0x4f0
>> [<ffffffff810ef908>] __do_fault+0x78/0x5a0
>> [<ffffffff810f2b24>] handle_pte_fault+0x84/0x940
>> [<ffffffff810f354a>] handle_mm_fault+0x16a/0x320
>> [<ffffffff8102715b>] do_page_fault+0x13b/0x490
>> [<ffffffff815cb87f>] page_fault+0x1f/0x30
>> [<ffffffffffffffff>] 0xffffffffffffffff
>
>This is the direct reclaim path. You are simply running out of memory
>globaly. There is no memcg specific code in that trace.


No, i'm not. Here is htop and server graphs from this case:
http://watchdog.sk/lkml/htop3.jpg (here you can see actual memory usage)
http://watchdog.sk/lkml/server01.jpg

If i was really having global OOM (which i'm not for 101%) where that i/o comes 
from? I have no swap.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to