Re: [Xen-users] Dom0 Crashes on High I/O

[Henri Cook <henri@xxxxxxxxxxxxxxxxxxxxx>]

Yep, dom0 has 512 min-mem - I don't think it's a too much memory issue,
i've had the system die with ~3GB available. I'll see if I can run a
memtest but the machine's in a DC! I might give KVM a bash - that seems
to be what the cool kids are doing these days

H

Ross S. W. Walker wrote:
> Ryan Burke wrote:
>   
>>>> Henri Cook wrote:
>>>>         
>>>>> Please; can anyone shed some light on this? At the moment I
>>>>> can lose the machine up to five times a day and obviously
>>>>> can't install windows or anything!
>>>>>           
>>>       
>>>> Try doing all of these and see if it doesn't fix your
>>>> problem.
>>>>         
>>> I think we maybe can limit this to an out of memory? Might be fixable by
>>> disabling memory overcommit.
>>>
>>>
>>> Stefan
>>>       
>> Unless there has been a recent radical change to Xen it isn't possible to
>> overcommit memory like other virtualization systems.
>>     
>
> No, but there is a possibility that the OP under committed dom0.
>
> Also make sure that (dom0-min-mem XXX) is set to a reasonable level,
> 256 with no X, 512 with X, this is found in /etc/xen/xend-config.sxp.
>
> -Ross
>
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