From: Stefan Bauer <stefan.bauer@cubewerk.de>
Cc: xen-devel@lists.xensource.com
Subject: Re: iommu: mapping reserved region failed - Q35 - VT-D Issue
Date: Wed, 29 Oct 2008 20:15:53 +0100 [thread overview]
Message-ID: <4908B669.7080108@cubewerk.de> (raw)
In-Reply-To: <409D32C55C48D34DB5E31C8AB29EB15B071C6E25@FTLPEXCH05.citrite.net>
Ross Philipson schrieb:
> Stefan,
>
> So those errors happened during booting DOM0 and then you checked xm
> dmesg, correct? Then you started a 2k VM and the system reset. Can you
> rebuild xen with debug=y, you might get more information about why the
> context mapping is failing. We could also put some more trace in there
> to see exactly what happens.
I only found PCI Backend Debugging in the Xen menue which i
activacted, rebuild kernel and did again xm dmesg without further
informations. Do i have to activate it additionally?
> Can you attach a serial cable and send the output from xen and dom0 to
> COM1 or something like that? There may be some relevant information
> traced out right before the reset that you are not seeing (it is
> probably a crash in xen that is resetting the system).
I'll try it if my laptop becomes available (women...)
--
Stefan
next prev parent reply other threads:[~2008-10-29 19:15 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-29 17:27 iommu: mapping reserved region failed - Q35 - VT-D Issue Stefan Bauer
2008-10-29 18:02 ` Stefan Bauer
2008-10-29 18:51 ` Ross Philipson
2008-10-29 19:15 ` Stefan Bauer [this message]
2008-10-29 19:30 ` iommu: mapping reserved region failed - Q35 - VT-DIssue Ross Philipson
2008-10-29 19:40 ` Stefan Bauer
2008-10-29 19:50 ` iommu: mapping reserved region failed - Q35 -VT-DIssue Ross Philipson
2008-10-29 20:26 ` Stefan Bauer
2008-10-30 2:14 ` Han, Weidong
2008-10-30 7:25 ` Stefan Bauer
2008-10-30 7:40 ` Stefan Bauer
2008-10-30 9:30 ` Han, Weidong
2008-10-30 10:11 ` Stefan Bauer
2008-10-30 13:48 ` Han, Weidong
2008-10-30 14:43 ` Stefan Bauer
2008-10-31 2:17 ` Han, Weidong
2008-10-31 7:51 ` Stefan Bauer
2008-10-31 13:19 ` Ross Philipson
2008-10-31 13:31 ` Stefan Bauer
2008-10-31 14:00 ` Han, Weidong
2008-10-31 14:32 ` Stefan Bauer
2008-10-31 15:17 ` Ross Philipson
2008-10-31 15:26 ` Stefan Bauer
2008-10-31 15:53 ` Ross Philipson
2008-10-31 16:20 ` Stefan Bauer
2008-10-31 17:08 ` Ross Philipson
2008-10-31 17:25 ` Stefan Bauer
2008-10-31 19:00 ` Ross Philipson
2008-10-31 19:42 ` Stefan Bauer
2008-10-31 20:03 ` Ross Philipson
2008-10-31 21:26 ` Stefan Bauer
2008-11-02 8:03 ` Han, Weidong
2008-11-02 9:17 ` Stefan Bauer
2008-10-29 19:20 ` iommu: mapping reserved region failed - Q35 - VT-D Issue Kay, Allen M
2008-10-29 19:37 ` Stefan Bauer
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