Bug#491911: "Eeek! page_mapcount(page) went negative!" with xen and redhat cluster suite

[maximilian attems <max@stro.at>]

On Tue, Jul 22, 2008 at 08:02:25PM +0200, Mathieu Parent wrote:
> Package: linux-image-2.6.25-2-xen-686
> Version: 2.6.25-7
> Severity: important
> 
> Hi,
> 
> This is a reproduceable error.
> 
> It happens when shutting down the domU or in other cases (I have to
> investigate these cases, probably when unjoining the cluster).
> 
> The kernel produces the attached errors in the DomU. Dom0 is not
> affected. 
> 
> The second part of the stack is always the same (kernel BUG at
> arch/x86/kernel/paravirt.c:241!)
> 
> I have attached the DomU config.
> 
> Packages installed in the DomU:
> apt-get install redhat-cluster-modules-2.6.25-2-xen-686
> apt-get install redhat-cluster-suite
> 
> 
> /etc/cluster/cluster.conf (minimal):
> <?xml version="1.0"?>
> <cluster name="sambacluster" config_version="1">
> 
> <clusternodes>
> <clusternode name="samba1" nodeid="1">
>         <fence>
>         </fence>
> </clusternode>
> 
> <clusternode name="samba2" nodeid="2">
>         <fence>
>         </fence>
> </clusternode>
> 
> <clusternode name="samba3" nodeid="3">
>         <fence>
>         </fence>
> </clusternode>
> </clusternodes>
> 
> <fencedevices>
>         <fencedevice name="manual" agent="fence_manual"/>
> </fencedevices>
> 
> </cluster>

please try out against 2.6.26 trunk snapshot builds,
see apt lines http://wiki.debian.org/DebianKernel

thanks for feedback?

-- 
maks