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xen-devel
RE: [Xen-devel] xm mem-set causes kernel panic
 
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To:  | 
"Krysan, Susan" <KRYSANS@xxxxxxxxxx>,	<xen-devel@xxxxxxxxxxxxxxxxxxx> | 
 
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Subject:  | 
RE: [Xen-devel] xm mem-set causes kernel panic | 
 
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From:  | 
"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> | 
 
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Date:  | 
Wed, 3 May 2006 22:15:29 +0100 | 
 
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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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Delivery-date:  | 
Wed, 03 May 2006 14:15:50 -0700 | 
 
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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 PAE?
Interesting. If you boot with dom0_mem=512 and then start a 15GB guest,
do you see problems shrinking the guest's memory?
I'd certainly be interested in hearing whether the problem exists on
PAE.
Ian
> -----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?
> 
> Thanks,
> Ian
> 
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