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Re: [Xen-devel] Multiple Nics on unstable crash

from [James Dykman]

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Subject:	Re: [Xen-devel] Multiple Nics on unstable crash
From:	James Dykman <dykman@xxxxxxxxxx>
Date:	Thu, 8 Sep 2005 13:29:34 -0400
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>I figured as quickly as dev is moving I would port to list, if you
>prefer bugzilla let me know.

This sounds like bugzilla #183. gnttab_end_foreign_transfer() finds 
shared[ref].flags is GTF_accept_transfer and happily returns a null
frame, which is then happily mapped. When it is dereferenced, you crash.
If I change gnttab_end_foreign_transfer to wait for the grant, it never
seems to complete properly. I'm still working on 

>FC4, domU config of nics=3, nics are complied into kernel, stock Xen
>options on build.

I'm on FC3; nics=2 is enough. It fails on the first packet AFTER the 
second interface receives its first packet.

Jim

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