On Sun, May 8, 2016 at 5:51 AM, Damon Namod <m...@damon.at> wrote: > Hi all, > > I'm trying to pass a LSI SAS2008 controller to a guest using VFIO. First > of all, some details on my system: > > # lsb_release -d > Description: Ubuntu 14.04.4 LTS > > # uname -rs > Linux 4.4.0-22-generic > > # cat /proc/cpuinfo | grep -m 1 "model name" > model name : Intel(R) Xeon(R) CPU E3-1225 v3 @ 3.20GHz > > # qemu-system-x86_64 --version > QEMU emulator version 2.0.0 (Debian 2.0.0+dfsg-2ubuntu1.22), Copyright > (c) 2003-2008 Fabrice Bellard > > # libvirtd --version > libvirtd (libvirt) 1.2.2 > > I'm using libvirt/virsh to pass the device to a (freenas) guest and at > first it looks like the domain would start just fine because virsh reports > "Domain freeness started". The domain, however, crashes right after start > with the following message from `/var/log/libvirt/qemu/freenas.log`. The > full log is attached: > > ... > > Previously, I used to pass the controller using KVM pci assignment but due > to it's deprecation in Linux 4.2 I wanted to switch to VFIO. Generally, it > seems to work on my system but not for the device in question. > > I'd appreciate any help. > > Best, > Damon >
Hi Damon, Can you passthrough the card to Linux guests? If I recall correctly, I never had success passing through my IBM ServeRAID M1015 card to FreeBSD-based guest (PC-BSD at the time). The guest just crash immediately. I think the issue lies on the FreeBSD, since I could pass it to Debian guest successfully (but I need to pass the ROM file to the command line since the card's BIOS was initialized early at host boot). Reflashing the card to pure IT-mode without BIOS should make it unnecessary to pass the ROM file, though I never tried it since at the end I put the ZFS on the host hypervisor. Best regards, Okky Hendriansyah
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