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[Xen-devel] xm mem-set issues

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Subject: [Xen-devel] xm mem-set issues
From: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>
Date: Thu, 11 May 2006 15:41:36 -0400
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Thread-topic: xm mem-set issues
I am looking at patching the xm mem-set problem described in:


While doing this I came across a few other issues. 

1. "xm mem-set <DomID> 32M" causes DomU / Dom0 to freeze irrespective of 
initial memory size. There is no output on the serial console when this happens 
so I am not sure where exactly the DomU is crashing. I know doing this is harsh 
but I think a check is required that will prevent users from shooting 
themselves in the foot.

2. I am able to do "xm mem-set <DomID> 8G" even if the total system memory is 
only 4GB. "xm list" reflects the 8GB value. Isn't this also a bug?

It looks like there needs to be a few sanity checks for mem-set. I am wondering 
what the best place to do this is. Should it be in Xend or the balloon driver?

Aravindh Puthiyaparambil 
Xen Development Team
Unisys Tredyffrin, PA
E-Mail:  aravindh.puthiyaparambil@xxxxxxxxxx 

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