From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 47451] need to re-load driver in guest to make a hot-plug VF
work
Date: Thu, 20 Sep 2012 03:36:31 +0000 (UTC)
Message-ID: <20120920033631.78CC311FA61@bugzilla.kernel.org>
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https://bugzilla.kernel.org/show_bug.cgi?id=47451
--- Comment #2 from Jay Ren 2012-09-20 03:36:31 ---
(In reply to comment #1)
> The steps to reproduce don't indicate what you've done in the host to prepare
> the device. Is igbvf loaded in the host?
No, I don't load igbvf driver in host.
>Is the vf attached to igbvf or pci-stub or nothing?
VF is attached to 'pci-stub' in host.
>Can we narrow down the kvm.git commit range at all? The
> one provided is over 12k commits covering v3.4-rc3 to v3.5-rc6. Thanks
I did more testing.
Do you remember the bug #43328 ( VT-d/SR-IOV totally doesn't work in guest)?
Just use your fix commit for that bug, I'll meet this hot-plug issue.
Is there a chance your patch fixed one bug but introduced another one? :)
commit a76beb14123a69ca080f5a5425e28b786d62318d
Author: Alex Williamson
Date: Mon Jul 9 10:53:22 2012 -0600
KVM: Fix device assignment threaded irq handler
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