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* [Bug 29232] New: [VT-d] VT-d device passthrough fail to guest
@ 2011-02-16  8:56 bugzilla-daemon
  2011-02-16 16:43 ` [Bug 29232] " bugzilla-daemon
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: bugzilla-daemon @ 2011-02-16  8:56 UTC (permalink / raw)
  To: kvm

https://bugzilla.kernel.org/show_bug.cgi?id=29232

           Summary: [VT-d] VT-d device passthrough fail to guest
           Product: Virtualization
           Version: unspecified
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: kvm
        AssignedTo: virtualization_kvm@kernel-bugs.osdl.org
        ReportedBy: xudong.hao@intel.com
                CC: avi@redhat.com
        Regression: Yes


Environment:
------------
Host OS : IA32E
Guest OS : IA32E
kvm.git Commit: a685b38e272587e644fedd37269ddb82df21c052
qemu-kvm Commit: 671d89d6411655bb4f8058ce6eb86bb0bb8ec978
Host Kernel Version: 2.6.38-rc4


Bug detailed description:
--------------------------
When assign one PCI/e device to guest, qemu report error and guest can not boot
up. If do hot-add device to guest, qemu will be killed.

[root@vt-nhm9 qemu-kvm]# qemu-system-x86_64  -m 512 -smp 2  -device
pci-assign,host=13:00.0 -net none -hda /path/rhel5.img
assigned_dev_pci_read: pread failed, ret = 0 errno = 22



Reproduce steps:
----------------
1) install latest kvm and qemu-kvm
2) qemu-system-x86_64  -m 512 -smp 2  -device pci-assign,host=13:00.0 -net none
-hda /path/rhel5.img
3) there will be a qemu error

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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2011-03-04 20:34 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-02-16  8:56 [Bug 29232] New: [VT-d] VT-d device passthrough fail to guest bugzilla-daemon
2011-02-16 16:43 ` [Bug 29232] " bugzilla-daemon
2011-02-17 22:04 ` bugzilla-daemon
2011-03-04  2:28 ` bugzilla-daemon
2011-03-04 20:33 ` bugzilla-daemon
2011-03-04 20:34 ` bugzilla-daemon

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