Re: [Xen-devel] dom0 linux 3.6.0-rc4, crash due to ballooning althoug dom0_mem=X, max:X set

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Tuesday, September 4, 2012, 7:58:41 PM, you wrote:

> On Tue, Sep 04, 2012 at 08:02:41PM +0200, Sander Eikelenboom wrote:
>> 
>> Tuesday, September 4, 2012, 6:39:03 PM, you wrote:
>> 
>> > On Tue, Sep 04, 2012 at 06:37:57PM +0200, Sander Eikelenboom wrote:
>> >> Hi Konrad,
>> >> 
>> >> This seems to happen only on a intel machine i'm trying to setup as a 
>> >> development machine (haven't seen it on my amd).
>> >> It boots fine, i have dom0_mem=1024M,max:1024M set, the machine has 2G of 
>> >> mem.
>> >> 
>> >> Dom0 and guest kernel are 3.6.0-rc4 with config:
>> >> [*] Xen memory balloon driver
>> >> [*]   Scrub pages before returning them to system
>> 
>> > Can you also try this patch out and provide the full log (bootup and 
>> > such). Thanks!
>> 
>> After applying this patch and due to the removal of the BUG_ON the domU 
>> boots and is reachable by SSH.
>> Serial log attached.

> Wow. That is a lot of .. And if you use Xen 4.1 it works fine?

Ok .. to sum it up after todays compile day :-p

- xen-4.2.0-rc4-pre + linux 3.6-rc4 -> BUG_ON on start PV guest
- xen-4.2.0-rc4-pre + linux 3.5.3   -> BUG_ON on start PV guest
- xen-4.1.4-pre     + linux 3.5.3   -> BUG_ON on start PV guest
- xen-4.1.4-pre     + linux 3.4.1   -> Works OK
- xen-4.2.0-rc4-pre + linux 3.6-rc4 -> Works, BUG_ON removed by patch 
(http://lists.xen.org/archives/html/xen-devel/2012-09/msg00142.html)




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