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Re: [libvirt] [PATCH 0/8] Various KVM PCI device assignment improvements



Mark McLoughlin schrieb:
On Sun, 2009-08-16 at 22:13 +0200, Mirko Raasch wrote:
==8823== Invalid read of size 8
==8823==    at 0x420C04: qemuCheckPciHostDevice (qemu_driver.c:1337)
==8823==    by 0x4E48CA7: pciResetDevice (pci.c:606)
==8823==    by 0x4229D5: qemudShutdownVMDaemon (qemu_driver.c:1479)
==8823==    by 0x43150B: qemudStartup (qemu_driver.c:357)

Ah, qemudShutdownVMDaemon() is passed a NULL connection and then
qemuCheckPciHostDevice de-references the NULL pointer.

I have a bunch of patches to re-work all this code which I will post
later. Hopefully they will work better for you.

Thanks,
Mark.

Hi,

i tried your patches and now it works, no segfault anymore.

But the other problem is, that i tried a lot of pci device and passed them through in the guest, but none
of them were usable in the guest.

I tried three WLAN-PCI-cards, installed the driver in the guest, but i had no success to get a signal from my WLAN-router.
In the host, the cards works well, with same driver and same kernel.

The same problem do i have with my dvb-cards, in the host they works very well, i can create a channels.conf with scanning the transponders,
but in the guest, i dont get any signal.

I think, its more a problem of qemu then libvirt.


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