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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Sander Eikelenboom <linux@eikelenboom.it>
Cc: xen-devel@lists.xen.org
Subject: Re: dom0 linux 3.6.0-rc4, crash due to ballooning althoug dom0_mem=X, max:X set
Date: Tue, 4 Sep 2012 12:33:47 -0400	[thread overview]
Message-ID: <20120904163347.GH23361@phenom.dumpdata.com> (raw)
In-Reply-To: <1136369816.20120904183757@eikelenboom.it>

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.

Is this only with Xen 4.2? As, does Xen 4.1 work?
> 
> Dom0 and guest kernel are 3.6.0-rc4 with config:

If you back out:

f393387d160211f60398d58463a7e65
Author: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date:   Fri Aug 17 16:43:28 2012 -0400

    xen/setup: Fix one-off error when adding for-balloon PFNs to the P2M.

Do you see this bug? (Either with Xen 4.1 or Xen 4.2)?

> [*] Xen memory balloon driver
> [*]   Scrub pages before returning them to system
> 
> From http://wiki.xen.org/wiki/Do%EF%BB%BFm0_Memory_%E2%80%94_Where_It_Has_Not_Gone , I thought this should be okay
> 
> But when trying to start a PV guest with 512MB mem, the machine (dom0) crashes with the stacktrace below (complete serial-log.txt attached).
> 
> From the:
> "mapping kernel into physical memory
> about to get started..."
> 
> I would almost say it's trying to reload dom0 ?
> 
> 
> [  897.161119] device vif1.0 entered promiscuous mode
> mapping kernel into physical memory
> about to get started...
> [  897.696619] xen_bridge: port 1(vif1.0) entered forwarding state
> [  897.716219] xen_bridge: port 1(vif1.0) entered forwarding state
> [  898.129465] ------------[ cut here ]------------
> [  898.132209] kernel BUG at drivers/xen/balloon.c:359!
> [  898.132209] invalid opcode: 0000 [#1] PREEMPT SMP 

  reply	other threads:[~2012-09-04 16:33 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-04 16:37 dom0 linux 3.6.0-rc4, crash due to ballooning althoug dom0_mem=X, max:X set Sander Eikelenboom
2012-09-04 16:33 ` Konrad Rzeszutek Wilk [this message]
2012-09-04 17:19   ` Sander Eikelenboom
2012-09-04 18:07     ` Ben Guthro
2012-09-04 18:22       ` Konrad Rzeszutek Wilk
2012-09-04 18:57         ` Sander Eikelenboom
2012-09-04 19:34       ` Sander Eikelenboom
2012-09-04 20:27         ` Robert Phillips
2012-09-05 14:06           ` Konrad Rzeszutek Wilk
2012-09-05 14:38             ` Sander Eikelenboom
2012-09-05 20:19               ` Konrad Rzeszutek Wilk
2012-09-05 22:52                 ` Sander Eikelenboom
2012-09-06 10:57                   ` Konrad Rzeszutek Wilk
2012-09-06 11:16                     ` Sander Eikelenboom
2012-09-06 16:46                     ` Sander Eikelenboom
2012-09-11 16:02             ` Stefano Stabellini
2012-09-12 10:28               ` Sander Eikelenboom
2012-09-12 11:28                 ` Stefano Stabellini
2012-09-13 13:32                 ` Konrad Rzeszutek Wilk
2012-09-13 13:42                   ` Robert Phillips
2012-09-14 14:53                   ` Conny Seidel
2012-09-14 17:00                     ` Konrad Rzeszutek Wilk
2012-09-14 17:38                       ` Conny Seidel
2012-09-17 19:14                   ` Sander Eikelenboom
2012-09-17 19:23                     ` Konrad Rzeszutek Wilk
2012-09-04 16:39 ` Konrad Rzeszutek Wilk
2012-09-04 18:02   ` Sander Eikelenboom
2012-09-04 17:58     ` Konrad Rzeszutek Wilk
2012-09-04 19:01       ` Sander Eikelenboom
2012-09-04 20:13       ` Sander Eikelenboom
2012-09-04 21:23       ` Sander Eikelenboom

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