From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>, xen-devel@lists.xen.org
Subject: Re: BUG at drivers/xen/balloon.c:353
Date: Tue, 10 Sep 2013 12:52:19 -0400 [thread overview]
Message-ID: <522F4E43.1070206@oracle.com> (raw)
In-Reply-To: <522F4926.3020209@citrix.com>
On 09/10/2013 12:30 PM, David Vrabel wrote:
> On 10/09/13 17:12, Ian Jackson wrote:
>> Now that we are on Linux 3.4.y, I am once again trying to commission
>> my pair of weevils. Things are better than they were but it's still
>> totally broken.
>>
>> Below you can see the logs from my adhoc osstest flight 19169. I
>> looked at one of the save/restore failures (test-amd64-i386-xl) and
>> see this:
>>
>> Sep 10 00:03:09.073066 [ 240.142970] kernel BUG at drivers/xen/balloon.c:353!
>>
>> I'd appreciate any help available with debugging this. The logs are
>> here:
>>
>> http://www.chiark.greenend.org.uk/~xensrcts/logs/19169/test-amd64-i386-xl/info.html
>>
>> I looked at the code in balloon.c:
>>
>> BUG_ON(!xen_feature(XENFEAT_auto_translated_physmap) &&
>> phys_to_machine_mapping_valid(pfn));
>>
>> Ian.
>>
>> Sep 10 00:03:08.629133 [ 240.142955] ------------[ cut here ]------------
>> Sep 10 00:03:09.073066 [ 240.142970] kernel BUG at drivers/xen/balloon.c:353!
>> Sep 10 00:03:09.073102 [ 240.142974] invalid opcode: 0000 [#1] SMP
>> Sep 10 00:03:09.081064 [ 240.142978] Modules linked in: xen_acpi_processor xen_gntalloc ext4 jbd2 mbcache e1000e
>> Sep 10 00:03:09.093059 [ 240.142987] CPU: 6 PID: 847 Comm: kworker/6:1 Not tainted 3.11.0+ #1
> There's a know bug in this area with 3.11+ (3.12-rc0) and there is
> pending pull request for the fix.
If you are thinking about preempt count bug then its' likely a different
one.
-boris
>
> I am a bit confused by the reference to 3.4.y above. Is this BUG in a
> guest running 3.11+ on a host with 3.4.y as dom0? Or have you
> accidentally installed 3.11+ as your dom0 kernel?
>
> David
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2013-09-10 16:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E1VJGJg-0001Pu-Fw@woking.cam.xci-test.com>
2013-09-10 16:12 ` BUG at drivers/xen/balloon.c:353 Ian Jackson
2013-09-10 16:21 ` Jan Beulich
2013-09-10 17:23 ` BUG at drivers/xen/balloon.c:353 [and 3 more messages] Ian Jackson
2013-09-10 16:30 ` BUG at drivers/xen/balloon.c:353 David Vrabel
2013-09-10 16:52 ` Boris Ostrovsky [this message]
2013-09-10 17:01 ` David Vrabel
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