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xen-devel
Re: [Xen-devel] XEN 4.0 + 2.6.31.13 pvops kernel : system crashes on sta
I think nr_irqs is specifiable on the command line on newer kernels. You may
be able to do nr_irqs=65536 as a kernel boot parameter, or something like
that, without needing to rebuild the kernel.
-- Keir
On 28/04/2010 02:02, "Yuvraj Agarwal" <yuvraj@xxxxxxxxxxx> wrote:
> Actually, I did identify the problem (don’t know the fix) at least from
> the console logs. Its related to running out of nr_irq's (attached JPG
> for the console log).
>
>
> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Keir Fraser
> Sent: Tuesday, April 27, 2010 5:44 PM
> To: Yuvraj Agarwal; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] XEN 4.0 + 2.6.31.13 pvops kernel : system crashes
> on starting 155th domU
>
> On 27/04/2010 08:41, "Yuvraj Agarwal" <yuvraj@xxxxxxxxxxx> wrote:
>
>> Attached is the output of /var/log/daemon.log and /var/log/xen/xend.log,
> but
>> as far as we can see we don¹t quite know what might be going causing the
>> system to crash (no console access anymore and system becomes
> unresponsive and
>> needs to be power-cycled). I have pasted only the relevant bits of
>> information (the last domU that did successfully start and the next one
> that
>> failed). It may be the case that all the log messages weren¹t flushed
> before
>> the system crashedŠ
>>
>> Does anyone know where this limit of 155 domU is coming from and how we
> can
>> fix/increase it?
>
> Get a serial line on a test box, and capture Xen logging output on it. You
> can both see if any crash messages come from Xen when the 155th domain is
> created, and also try the serial debug keys (e.g., try 'h' to get help to
> start with) to see whether Xen itself is still alive.
>
> -- Keir
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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