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RE: [Xen-devel] xm mem-set causes kernel panic

To: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] xm mem-set causes kernel panic
From: "Krysan, Susan" <KRYSANS@xxxxxxxxxx>
Date: Wed, 3 May 2006 16:58:51 -0400
Cc: "Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>, "Vessey, Bruce A" <Bruce.Vessey@xxxxxxxxxx>, "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>, "Carb, Brian A" <Brian.Carb@xxxxxxxxxx>
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Thread-topic: [Xen-devel] xm mem-set causes kernel panic
We did run using unstable. We installed sles10 beta11 but we pulled and built 
xen-unstable changeset 9903 from xensource repository.  We have not tried with 
PAE hypervisor.  It is not our focus.  How desperately would you need us to try 


> Sue Krysan
> Linux Systems Group
> Unisys Corporation

-----Original Message-----
From: Ian Pratt [mailto:m+Ian.Pratt@xxxxxxxxxxxx]
Sent: Wednesday, May 03, 2006 4:19 PM
To: Krysan, Susan; xen-devel@xxxxxxxxxxxxxxxxxxx
Cc: Subrahmanian, Raj; Vessey, Bruce A; Puthiyaparambil, Aravindh; Carb,
Brian A; ian.pratt@xxxxxxxxxxxx
Subject: RE: [Xen-devel] xm mem-set causes kernel panic

> When I boot the ES7000 with 32 GB of RAM, dom0 is allocated 
> almost all of it.  I issued an xm mem-set 0 512 command to 
> decrease dom0's memory to 512 MB.  Using xentop, I see the 
> amount of memory allocated to dom0 slowly decrease.  The 
> kernel panic occurs when dom0's memory is around 1 GB.  The 
> serial console output is attached.  Using SLES10 Beta 11 
> upgraded to xen changeset 9903.

Can you repro this on -unstable? What about with a PAE hypervisor?


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