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

On Fri, 2009-08-14 at 16:41 +0200, Mirko Raasch wrote: > Hi, > > thanks for you improvements. > > I updated libvirt with git and tried to passthrough two pci devices to a > linux guest. > > <hostdev mode='subsystem' type='pci' managed='yes'> > <source> > <address domain='0x0000' bus='0x05' slot='0x01' function='0x0'/> > </source> > </hostdev> > <hostdev mode='subsystem' type='pci' managed='yes'> > <source> > <address domain='0x0000' bus='0x05' slot='0x03' function='0x0'/> > </source> > </hostdev> > > In the guest, only one of them works and after the shutdown of the > guest, i got a segfault on the host. > > libvirtd[15363]: segfault at 38 ip 0000000000421164 sp 00007fff59d1dfb0 > error 4 in libvirtd[400000+6d000] > > I use kernel 2.6.30-4 on the host. > > What did i wrong? It's more a question of what *I* did wrong, probably :-) Did this work before? With what version? Is there any chance you could use git-bisect to find out what commit introduced the regression? If not, please run libvirtd from the command line with LIBVIRT_DEBUG and post the log file somewhere. Also, the guest log file from /var/log/libvirt/qemu would help