Re: [Xen-users] Tools to take a kernel crash dump.

[Sreeharsha Totakura <sreeharsha.totakura@xxxxxxx>]

Tej <bewith.tej@xxxxxxxxx> wrote on 07/20/2009 11:24:29 AM:

> Tej <bewith.tej@xxxxxxxxx>
> 07/20/2009 11:24 AM
>
> To
>
> Sreeharsha Totakura <sreeharsha.totakura@xxxxxxx>
>
> cc
>
> Nick Anderson <nick@xxxxxxxxxxxx>, Luke S Crawford <lsc@xxxxxxxxx>,
> Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx>
>
> Subject
>
> Re: [Xen-users] Tools to take a kernel crash dump.
>
> On Sat, Jul 18, 2009 at 3:55 PM, Sreeharsha
> Totakura<sreeharsha.totakura@xxxxxxx> wrote:
> > Thanks Guys,
> >
> > I have installed netconsole of the server and waiting for the next
restart
> > (crash).
> >
> > A few things I noted while installing netconsole are:
> > 1. The netconsole kernel module doesn't work on virtual interfaces.
> > 2. The xend service when started will alter the network interfaces. In
our
> > setup, the real eth0 is changes as peth0 and the eth0 is made virtual.
I
> > assume this is done to pacify complaining programs whose setting are
set to
> > use eth0 by default.
> > 3. For installing netconsole, use:
> >      /sbin/modprobe netconsole
> >
netconsole=6666@xxxxxxxxxxxxx/peth0,6666@xxxxxxxxxxxxxx/00:1e:37:42:23:22
> >      This setting is required because the xen created virtual interface
> > eth0 doesn't support pooling. Only the real physical interface (peth0)
> > supports it.
>
> It will be better to increase console log level also.

We have increased the log level to 7 anticipating to get more detailed
messages.
The server is stable till now and didn't have any crash. Will update you
with the messages once it crashes.

Thanks,
Sree Harsha.

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