Re: Net grant tables breaking multiple nic domU

[Jerone Young <jyoung5@us.ibm.com>]

On Tue, 2005-09-13 at 13:50 -0700, Nivedita Singhvi wrote:
> Jerone Young wrote:
> > While working Bugzilla #183 I figured out what was the problem... Net
> > grant tables...something that is marked as DANGEROUS in the kernel
> > config...is on by default. When net grant tables is compiled in bringing
> > up two interfaces in a domU crashes the domU kernel. But when I compile
> > both Dom0 & DomU without net grant tables I am able to use two
> > interfaces in domU with no problem. I don't know a lot about net grant
> > tables but could someone who know more about net grant tables take a
> > look at this?
> > 
> > 			
> Jerone,
> 
> Did you not see Jim Dykman's updates and posts on this bug?
> He's found the root cause, and is putting together a patch,
> although some of it might be interim because it exposes
> another resource shortage which will have to be addressed
> somehow. Expect a patch from him in the next day or two,
> and see the bugzilla entry (and previous posts on xen-devel)
> from Jim for the details.

Yes I did see this. But if that is the case then why does disabling net
grant tables fix the problem? So I just decided to come to the list to
see if someone understanding the net grant table code might know.


> 
> thanks,
> Nivedita
> 
> 
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-- 
Jerone Young
IBM Linux Technology Center
jyoung5@us.ibm.com
512-838-1157 (T/L: 678-1157)