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Re: [Xen-devel] Unstableness in grant table block drivers


  • To: Ryan Harper <ryanh@xxxxxxxxxx>, Anthony Liguori <aliguori@xxxxxxxxxx>
  • From: Christopher Clark <christopher.w.clark@xxxxxxxxx>
  • Date: Mon, 18 Apr 2005 09:38:50 -0700
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 18 Apr 2005 16:39:03 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

> > Ryan: is this an SMP guest?
> 
> Yes, that only shows up when trying to boot an SMP guest.

Does the crash only occur when trying to boot an SMP guest - ie. do UP
guests start correctly?

Ryan and Anthony: I've attached a patch that I'd like you to apply to
your unstable tree -- it just printk's almost everything so I can get
an idea of the code path you're running.
Alternatively, the three .c files modified by the patch are also
attached - they're taken from 2005-04-14 unstable and you should be
able to just replace the files in your tree.

After changing your tree and rebuilding, please send the console logs
from boot onwards for xen/dom0 and domU, in a uniprocessor
configuration, both with and without using grant tables for block
transport.

thanks

Christopher

Attachment: instrument.patch
Description: Text Data

Attachment: blkback.c
Description: Text Data

Attachment: blkfront.c
Description: Text Data

Attachment: grant_table.c
Description: Text Data

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