On Thu, Jun 04, 2009 at 11:26:56PM +0300, Pasi Kärkkäinen wrote:
> On Fri, May 22, 2009 at 11:06:56AM +0300, Pasi Kärkkäinen wrote:
> > On Thu, May 21, 2009 at 10:08:35AM +0100, Ian Campbell wrote:
> > > On Mon, 2009-05-18 at 13:50 -0400, Pasi Kärkkäinen wrote:
> > > [...]
> > >
> > > Thanks for all the info Pasi, I've been trying to repro but not
> > > successfully. I setup an environment similar to yours (32p h/v and
> > > kernel, ~512M dom0 RAM, swap) and managed most of an allmodconfig build
> > > before I ran out of RAM trying to link the final vmlinux.
> > >
> >
> > Thanks for looking into it :)
> >
> > I have dom0_mem=1024M but dunno if that makes any difference..
> >
> > > I haven't yet tried different compiler versions, I'm using 4.1.2.
> > >
> >
> > gcc version 4.4.0 20090427 (Red Hat 4.4.0-3) - Fedora 11
> > gcc version 4.3.2 20081105 (Red Hat 4.3.2-7) - Fedora 10
> >
> > Those were the versions I tried with..
> >
> > > Is it always kswap<N> which has the issues? (subsequent traces seem to
> > > be from the softlockup caused by the original failure, not repeated
> > > failures). Could you perhaps try reproing with swap disabled?
> > >
> >
> > I went through a couple of the logs lately, and yeah, it seems to be
> > kswapd..
> > I can try without swap.. late next week, I'm away until that..
> >
>
> I had a HDD crash on my testbox, but now it's up again.. with a fresh
> installation of Fedora 11 (rawhide).
>
> I tried a couple of times with the latest xen-tip/next tree, and pv_ops
> dom0 kernel built with CONFIG_HIGHMEM=y still crashes during the
> "make bzImage && make modules" test.
>
> with swap enabled it takes around 30 minutes to crash.. without swap, the
> crash happens in around 15 mins.
>
> Serial console logs here:
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-log-01-with-highpte.txt
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-log-02-with-highpte-no-swap.txt
>
Oh, and it seems to be always kswapd<0> having issues..
-- Pasi
> > > Have you ever tried with a more recent hypervisor? I'm using
> > > xen-unstable, I guess I should rollback to something based on the FC11
> > > RPMs and try again.
> > >
> >
> > Nope, I haven't tried newer hypervisor yet.. I can try that aswell.
> >
>
> I was using stock Xen 3.3.1-11 from Fedora 11.
>
> What do you suggest me to try next?
>
> -- Pasi
>
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