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

[Pasi Kärkkäinen <pasik@xxxxxx>]

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..

> 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.

-- Pasi

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