random "Can't allocate memory" from sshd

Larry Rosenman ler at lerctr.org
Tue Sep 2 14:56:53 UTC 2014


On 2014-09-02 09:47, Mark Martinec wrote:
> 2014-09-02 Larry Rosenman wrote:
>> random "Can't allocate memory" from sshd
>> I've had this issue for a while on 10 and 11....
>> 
>> merrily working along, in an SSH session, or doing zfs send/recv over 
>> ssh
>> and randomly I'll get a "can't allocate memory" from sshd and the 
>> session
>> gets killed.
>> 
>> There is PLENTY of memory on the free list (>500meg).
>> What can I do to catch what is having an issue, and better yet, fix 
>> it?
>> What diagnostics do I need?
> 
> Possibly/likely a network resources issue, check these threads:
> 
> Bumping up a default net.graph.maxdata to avoid "Write failed: Cannot
> allocate memory"
>   http://lists.freebsd.org/pipermail/freebsd-net/2014-July/039347.html
> 
> zfs send/recv: STILL invalid Backup Stream
>   
> http://lists.freebsd.org/pipermail/freebsd-current/2014-July/051391.html
> 
> 
> Mark

Ha.  That 2nd one is MY thread :)

I just made the change to net.graph.maxdata -- will play.

Thanks!
-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640 (c)     E-Mail: ler at lerctr.org
US Mail: 108 Turvey Cove, Hutto, TX 78634-5688


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