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Re: [vfio-users] Frequent crashing with Overwatch



I would also like to chime in that this behaviour started popping up for me too. I am guessing it was introduced in a recent Overwatch update. I used to play the game fine on my setup until recently. Now, for some reason the game crashes after a while and I am unsure what could be causing it.

On Tue, Apr 11, 2017 at 4:57 AM Jesse Kennedy <jesse jkennedy pw> wrote:
Hello,

I've been experience very frequent crashing while playing Overwatch. Usually, I can go for a while without crashing. But once it starts crashing, it will continue to crash every few minutes until I restart the VM. Sometimes I have to restart the host to fix it. The "crashes" are 70% application crashing, 20% VM freezing, and 10% BSOD. The BSOD codes are inconsistent, but one such code was MEMORY_MANAGEMENT. I play many other games, but Overwatch is the only one that causes crashes. 

Nothing suspect in kernel logs or /var/log/libvirt/qemu/win10.log. Is there anything I can do to get better visibility on what's happening so I can troubleshoot? Could it be a hardware issue?

qemu line from log:
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin QEMU_AUDIO_DRV=none /usr/sbin/qemu-system-x86_64 -name guest=win10,debug-threa
ds=on -S -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-3-win10/master-key.aes -machine pc-i440fx-2.6,accel=kvm,usb
=off,vmport=off,dump-guest-core=off -cpu core2duo,hv_time,hv_relaxed,hv_vapic,hv_spinlocks=0x1fff,hv_vendor_id=whatever,kvm=off -drive file=/u
sr/share/ovmf/x64/ovmf_x64.bin,if=pflash,format=raw,unit=0,readonly=on -drive file=/var/lib/libvirt/qemu/nvram/win10_VARS.fd,if=pflash,format=
raw,unit=1 -m 6000 -realtime mlock=off -smp 6,sockets=1,cores=3,threads=2 -uuid ca607e58-3a83-411c-b74c-65e4c2ca565d -display none -no-user-co
nfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-3-win10/monitor.sock,server,nowait -mon chardev=charmonitor,
id=monitor,mode=control -rtc base=localtime,driftfix=slew -global kvm-pit.lost_tick_policy=discard -no-hpet -no-shutdown -global PIIX4_PM.disa
ble_s3=1 -global PIIX4_PM.disable_s4=1 -boot menu=off,strict=on -device nec-usb-xhci,id=usb,bus=pci.0,addr=0x6 -device lsi,id=scsi0,bus=pci.0,
addr=0x9 -device ahci,id=sata0,bus=pci.0,addr=0xc -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -device usb-hub,id=hub0,bus=u
sb.0,port=1 -drive file=/dev/nvme0n1,format=raw,if=none,id=drive-sata0-0-0,serial=windows,cache=none,aio=native -device ide-hd,bus=sata0.0,dri
ve=drive-sata0-0-0,id=sata0-0-0,bootindex=1 -drive file=/dev/disk/by-id/ata-ST4000DX001-1CE168_Z3074HEX,format=raw,if=none,id=drive-virtio-dis
k0,cache=none,aio=native -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0xb,drive=drive-virtio-disk0,id=virtio-disk0 -netdev tap,fd=26,id=host
net0,vhost=on,vhostfd=29 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:5d:02:0a,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -
device isa-serial,chardev=charserial0,id=serial0 -chardev spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr
=2,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 -chardev socket,id=charchannel1,path=/var/lib/libvirt/qemu/win10.agent,server,nowa
it -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel1,id=channel1,name=org.qemu.guest_agent.0 -device usb-tablet,id=input2,
bus=usb.0,port=4 -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -chardev spicevmc,id=ch
arredir0,name=usbredir -device usb-redir,chardev=charredir0,id=redir0,bus=usb.0,port=1.1 -chardev spicevmc,id=charredir1,name=usbredir -device
usb-redir,chardev=charredir1,id=redir1,bus=usb.0,port=1.2 -device vfio-pci,host=01:00.0,id=hostdev0,bus=pci.0,addr=0xa -device vfio-pci,host=
01:00.1,id=hostdev1,bus=pci.0,addr=0x2 -device vfio-pci,host=00:14.0,id=hostdev2,bus=pci.0,addr=0xe -device vfio-pci,host=00:1f.3,id=hostdev3,
bus=pci.0,addr=0xd -device vfio-pci,host=00:1f.0,id=hostdev4,bus=pci.0,addr=0xf -device vfio-pci,host=00:1f.2,id=hostdev5,bus=pci.0,addr=0x10
-device vfio-pci,host=00:1f.4,id=hostdev6,bus=pci.0,addr=0x11 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 -object rng-random,id=
objrng0,filename=/dev/random -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pci.0,addr=0x8 -device pvpanic,ioport=1285 -msg timestamp=on

Specs:
Arch/Windows 10
6700k, 3 cores/2 threads to guest, core2duo model
32GB, 6GB to guest
1080 GTX

Kernel line:
rw quiet splash rd.modules-load=vfio-pci modules-load=vfio-pci intel_iommu=on,igfx_off iommu=pt intremap=no_x2apic_optout transparent_hugepage=never isolcpus=2-7

Thanks
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