lkml.org 
[lkml]   [2013]   [Mar]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 3.6.11: khubd issue SLAB related?
On 2013-03-11 22:23, David Rientjes wrote:
> On Fri, 8 Mar 2013, Udo van den Heuvel wrote:
>
>> [3663200.799579] SLAB: Unable to allocate memory on node 0 (gfp=0xd0)
>> [3663200.799581] cache: size-65536, object size: 65536, order: 4
>> [3663200.799583] node 0: slabs: 6/6, objs: 6/6, free: 0
>> [3663200.799585] pwc: Oops, could not allocate memory for pwc_device.
>
> You have memory freed, but like your earlier page allocation failure on
> mount, it is too fragmented. This is an order-4 page allocation, the
> kmalloc() of struct pwc_device, and you don't even have any order-3 pages
> that are available. Are you running with CONFIG_COMPACTION enabled?

Yes.

> If not, enable it and try again, or get root and manually try to
> defragment memory by doing echo 1 > /proc/sys/vm/compact_memory.

This needs to be done regularly, I assume?

> If so, try killing a memory hogging process to free some memory and
> attempt to get some higher order pages available.

It's a 8GB box (7.5GB available to software) with modest load. Mostly
email & web browsing, some torrents, nntp stuff, etc. Nothing weird.
Around 4.8G in buffers/cache right now.

Why is this issue occurring?
Why did I not see this in the past?

Udo


\
 
 \ /
  Last update: 2013-03-13 18:01    [W:0.057 / U:2.320 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site