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Re: [Xen-users] xm mem-set Domain-0 box went poof

from [Pasi Kärkkäinen]

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To:	Brandon Lamb <brandonlamb@xxxxxxxxx>
Subject:	Re: [Xen-users] xm mem-set Domain-0 box went poof
From:	Pasi Kärkkäinen <pasik@xxxxxx>
Date:	Sun, 14 Mar 2010 15:04:50 +0200
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On Sun, Mar 14, 2010 at 01:49:31AM -0800, Brandon Lamb wrote:
> On a fresh reboot
> 
> free:
>        total   used    free shared buffers cached
> Mem: 3371340 448156 2923184      0    5328  77840
> 
> ----------
> 
> top:
> Mem:   3371340k total,   449044k used,  2922296k free,     5344k buffers
> 
> ----------
> 
> xentop - 01:44:00   Xen 3.4.3-rc4-pre
> 1 domains: 1 running, 0 blocked, 0 paused, 0 crashed, 0 dying, 0 shutdown
> Mem: 4160828k total, 4022996k used, 137832k free    CPUs: 4 @ 2308MHz
>       NAME  STATE   CPU(sec) CPU(%)     MEM(k) MEM(%)  MAXMEM(k)
> MAXMEM(%) VCPUS NETS NETTX(k) NETRX(k) VBDS   VBD_OO   VBD_RD   VBD_WR
> SSID
>   Domain-0 -----r        109    2.2    3965032   95.3   no limit       n/a    
>  4
> 
> ----------
> 
> xm mem-set Domain-0 512
> 
> xentop showed ~1G memory (26% memory), then right after this i tried
> 
> xm mem-set Domain-0 192
> 
> ... box died with caps and scroll lock flashing.
> 
> I had dom0_mem=512, dom0-min-mem=192
> 
> xen-3.4-testing-hg and xen/master kernel from jeremy's git repo
> 

http://wiki.xensource.com/xenwiki/XenBestPractices

-- Pasi


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