Re: RELENG_7: swap_pager_getswapspace(3): failed

On Monday 12 November 2007, Kris Kennaway said:
> Beech Rintoul wrote:
> > On Sunday 11 November 2007, mustkaru said:
> >> On Nov 11, 2007 10:47 PM, Kris Kennaway <kris_at_freebsd.org> 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 :)
>
> Kris

I'd be happy to. All the processes on both boxes look normal. I 
suspected either kde or xorg, but everything looks ok. Point me in 
the right direction and I'll troubleshoot all I can. I do know we 
have a problem, if it's not related to vm_page.c, then we have a very 
evil application that is common to all.

Beech

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Beech Rintoul - FreeBSD Developer - beech_at_FreeBSD.org
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