RELENG_7: swap_pager_getswapspace(3): failed

Kris Kennaway kris at
Mon Nov 12 02:01:20 PST 2007

Beech Rintoul wrote:
> On Sunday 11 November 2007, mustkaru said:
>> On Nov 11, 2007 10:47 PM, Kris Kennaway <kris at> wrote:
>>> mustkaru wrote:
>>>> Hi,
>>>> I updated to RELENG_7 two yesterday, and under usual load
>>>> started getting hundreds of messages
>>>> swap_pager_getswapspace(3): failed
>>>> The system swap is 96% full; it is less than 20% usually under
>>>> the same load. The system started to kill off processes because
>>>> of lack of swap space:
>>>> pid 52606 (thunderbird-bin), uid 1001, was killed: out of swap
>>>> space swap_pager_getswapspace(2): failed
>>>> pid 13984 (evince), uid 1001, was killed: out of swap space
>>>> I suppose there's no way to get back to the more stable BETA2 ?
>>>> When cvsuping, I noticed
>>>> 52815 Nov  8 14:03 vm_page.c
>>>> had been changed. Might it be related to that? Might a next
>>>> possible change in that get back a more stable swapper. . .?
>>> This means you ran out of swap space because applications were
>>> requesting more virtual memory than your system contains.  This
>>> is an application issue, not a kernel issue.
>>> Kris
>> I hope so. It is weird though that I run exactly the same number of
>> applications every day; and I ran the same binary apps on an
>> earlier version of RELENG_7 (I updated system but not apps), but I
>> never ran out of swap space; in particular I have never used more
>> than .5 GB swap. This time, the system was using 1 GB swap. So I
>> suppose I should start hunting the guilty app.
> I'm seeing the exact same thing. I'm running -current from yesterday 
> and this box is lightly loaded. I can't track it down to a specific 
> process, but all of a sudden normal compiles are running me out of 
> vm. This box has 500Mb ram and a gig of swap and has never run out of 
> memory before. None of my applications have changed. I'm also 
> starting to see it on a client's box I recently updated to 7.0, That 
> box has 1Gb ram and 2Gb swap and is just a desktop and mailserver.
> I don't think this is application related.

Then you have further investigation to do to prove that theory :)


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