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xen-devel
Re: Bug in pci-detach (Was: Re: [Xen-devel] Re: VT-d HowTo Update)
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To: |
Simon Horman <horms@xxxxxxxxxxxx> |
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Subject: |
Re: Bug in pci-detach (Was: Re: [Xen-devel] Re: VT-d HowTo Update) |
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From: |
Akio Takebe <takebe_akio@xxxxxxxxxxxxxx> |
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Date: |
Wed, 22 Apr 2009 11:18:53 +0900 |
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Cc: |
"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Zhai, Edwin" <edwin.zhai@xxxxxxxxx>, "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>, "Han, Weidong" <weidong.han@xxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Christian Tramnitz <chris.ace@xxxxxxx> |
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Tue, 21 Apr 2009 19:19:21 -0700 |
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Hi, Simon
Simon Horman wrote:
On Wed, Apr 22, 2009 at 09:11:58AM +1000, Simon Horman wrote:
On Tue, Apr 21, 2009 at 05:16:14PM +0800, Cui, Dexuan wrote:
Simon Horman wrote:
Hi,
in preparation for 3.4.0 I have made a number of updates to the VT-d
Howto. I have tried to retain the original information while
reorganising things a bit. I have also added information on recent
work I have done in this area.
Apologies in advance for any errors, accidental deletions, etc...
http://wiki.xensource.com/xenwiki/VTdHowTo
Hi Simon,
There is a bug: we can't pci-detach a statically-assigned (I mean: use the pci
string in hvm config file) devices for hvm guest.
Accordong my limited experience, after a device is assigned to hvm guest, ioemu
does write the correct vslots value into xenstore, but looks xend can't get the
correct value somwhow.
Could you help to have a look? Thanks!
Sure, I can look into that. Do you have a version that you are worried
about? It did seem to work the last time that I checked.
Hi Dexuan,
I am seeing this bug too. I'll try and get a fix ASAP.
Does AUTO_PHP_SLOT also support hotplug?
@tools/python/xen/xend/XendDomainInfo.py
def hvm_destroyPCIDevice(self, vslot):
log.debug("hvm_destroyPCIDevice called %s", vslot)
if not self.info.is_hvm():
raise VmError("hvm_destroyPCIDevice called on non-HVM guest")
... snip ...
if vslot == AUTO_PHP_SLOT:
raise VmError("Device @ vslot 0x%x doesn't support hotplug." %
(vslot))
Best Regards,
Akio Takebe
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