Re: [Xen-devel] Kernel paging request error

[Sławek Kosowski <slawek.k_xl@xxxxx>]

Thank you, now I don't have any errors after reboot, we'll see how it will be 
in the future.

Regards
Slawek

> On Tue, 2012-10-23 at 19:44 +0100, Sławek Kosowski wrote:
> > Reposting from xen-users (no response)
> > I'm having a problem with: http://pastebin.com/CuGHqwhy
> > It occurs on the reboot, but sometimes, when I try to start manually one 
> of
> > my machines. Sometime, one of the machines does not want to start
> > permanently and I have to reinstall/restore it.
> 
> One experiment to try, based on Debian bug #642154 would be to try
> "noxsave" and/or "noxsaveopt" on your kernel command line. Please try
> each independently and both together.
> 
> I thought this sort of thing was ironed out before 3.2. Since you are
> running a bpo kernel you could also consider running a backport of Xen
> 4.1 from Wheezy as well.
> 
> > This problem comes for me randomly, but maybe there is a trigger.
> > I've tried to follow:
> > http://xen.1045712.n5.nabble.com/2-6-32-27-dom0-BUG-unable-to-handle-kernel-paging-request-td3323011.html
> > and raise /proc/sys/vm/min_free_kbytes, but it did not help.
> 
> That is a completely unrelated problem, "BUG unable to handle kernel
> paging request" is a very generic error message which is common to loads
> of different potential issues.
> 
> [...]
> 
> Ian.




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