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Re: [Xen-devel] xen.git branch reorg / success with 2.6.30-rc3 pv_ops dom0
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:
> > 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?
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