Christopher Penalver,
I finally got a chance to install 13.10 Saucy and retry this problem.
The new unbind problem happens exactly described above. Reminder I am
following these instructions: http://www.linux-kvm.org/page
/How_to_assign_devices_with_VT-d_in_KVM
I happened to be root while
** Tags removed: bios-outdated-1.60
** Tags added: latest-bios-1.60
** Tags removed: needs-saucy-test
** Description changed:
I am trying to unbind a PCI device I received a kernel Oops.
I was following instructions described in this KVM document:
Matt Bruzek, regarding unbind not working in Saucy, looks like you may
have exchanged one bug for another. :) If you test v3.10-rc5-saucy in
Saucy, does unbind still not work and the kernel still not crash?
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I obtained the Live CD for 13.10 amd64.
uname -a = Linux ubuntu 3.11.0-4-generic #9-Ubuntu SMP Mon Aug 26 15:21:06 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
I was following instructions described in this KVM document:
http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
Matt Bruzek, could you please confirm this issue exists with the latest
development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal
I applied the latest v3.10 kernel that you linked to in comment #4.
That appears to fix the kernel oops problem.
I was able to run the command:
echo :01:00.0 /sys/bus/pci/devices/:01:00.0/driver/unbind
Without a kernel Oops problem.
So I believe the problem is fixed upstream.
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.10 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
BUG: unable to handle kernel NULL pointer dereference at 38
IP: [a02f4514] nouveau_fence_done+0xc4/0x100 [nouveau]
PGD 3c8eea067 PUD 3c8f2b067 PMD 0
Oops: [#1] SMP
...
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