From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: Failure to load the most recent 2.6.32.21 pvops
	under Xen 4.0.1
Date: Fri, 24 Sep 2010 12:03:21 -0700
Message-ID: <4C9CF5F9.4020005@goop.org>
References: <306337.78392.qm@web56101.mail.re3.yahoo.com>
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To: Boris Derzhavets <bderzhavets@yahoo.com>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

 On 09/24/2010 04:39 AM, Boris Derzhavets wrote:
> Last commit (b297cdac0373625d3cd0e6f2b393570dcf2edba6)
> Console drops into stack trace:-
>
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> - - - - - - - - -
> Kernel Bug at drivers/xen/balloon.c:270 !
> invalid opcode 0000 [#] SMP
> last sysfs file : /sys/devices/virtual/misc/xen!gntdev/uevent
> . . . . . . .
>
> RIP [<fffff ....>]  balloon_process+0x1c4/0x580
>

Please don't truncate oops/BUG messages like this.  It removes a lot of
useful information.

Dom0 or domU?  32 or 64 bit?  Are you using maxmem?  Can you send a
complete boot log for the domain (or system if dom0)?

I suspect this bug has been fixed later on, but hasn't made it into
stable-2.6.32.x yet.

Thanks,
    J