<div dir="ltr">Hello,<div> </div><div>I think that first, you should use libvirt.</div><div>I believe that most bugs are from a badly made qemu command line, bad isolations or stull like this.</div><div> </div><div>Libvirt => less pain, more working vms!</div><div> </div><div> </div></div><div class="gmail_extra"> <div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">--<div>Deldycke Quentin </div><div><div> </div></div></div></div></div> <div class="gmail_quote">On 22 August 2017 at 13:16, Jiri Novak <<a href="mailto:jiri.novak@ghorland.net" target="_blank">jiri.novak@ghorland.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi, I've got back again to testing the RX 480 setup with tips I got previously (like using i440fx instead of q35) and got a bit further, now I can run it at least in 2D mode (if I use driver from windows update) on windows 10 rev 1703. If I install full driver from AMD website, the host hangs during install and after that, it runs about 2-3minutes after boot until it hangs. With driver from windows update, it hangs when I run any game. Any ideas what to try next, how to find out what's wrong? Qemu commandline: LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin QEMU_AUDIO_DRV=pa /usr/bin/taskset -c 4-7,20-23 /usr/bin/qemu-system-x86_64 \ -name 12-wingame \ -machine pc-i440fx-2.8,accel=kvm,usb=off \ -cpu host \ -object memory-backend-file,id=mem0,size=16G,mem-path=/dev/hugepages1g,share=off \ -numa node,nodeid=0,memdev=mem0 \ -m 16G \ -realtime mlock=off \ -smp sockets=1,cores=4,threads=2 \ -uuid 4baaaaaa-aaf5-aaaaaa-919d-aaaaaaacaaaa \ -nographic -no-user-config -nodefaults -no-hpet \ -rtc base=localtime,driftfix=slew \ -global kvm-pit.lost_tick_policy=discard \ -boot d \ -drive file=/dev/Z-ssd/qemu/12-wingame,if=none,id=drive-virtio-disk0,format=raw,cache=none,aio=native \ -drive file=/dev/Z-ssd/data/games-blizzard,if=none,id=drive-virtio-disk1,format=raw,cache=none,aio=native \ -device virtio-scsi-pci,bus=pci.0,addr=0x5 \ -device scsi-hd,drive=drive-virtio-disk0 \ -device scsi-hd,drive=drive-virtio-disk1 \ -netdev tap,id=netdev0,ifname=V0300t12,script=no,downscript=no \ -device virtio-net-pci,netdev=netdev0,id=net0,mac=42:42:42:00:00:0c,bus=pci.0,addr=0x6 \ -device vfio-pci,host=02:00.0,id=hostdev6,bus=pci.0,multifunction=on,addr=0x3,x-vga=on,romfile=/root/roms/Sapphire.RX480.4096.161002.rom \ -device vfio-pci,host=02:00.1,id=hostdev7,bus=pci.0,addr=0x3.0x1 \ -device vfio-pci,host=07:00.0,id=hostdev2,bus=pci.0,addr=0x4 \ -vga none \ -soundhw hda \ -device virtio-rng-pci \ -chardev stdio,id=seabios \ -device isa-debugcon,iobase=0x402,chardev=seabios \ -msg timestamp=on \ >>/var/log/kvm/12-wingame.stdout 2>>/var/log/kvm/12-wingame.stderr & Usually I don't manage to get any error, though once the host managed to spit out this to console (when it crashed after 2 minutes with amd driver) INFO: rcu_sched detected stalls on CPUs/tasks: [ 1558.573332] 2-...: (0 ticks this GP) idle=a16/0/0 softirq=17601/17601 fqs=1 [ 1558.573400] 17-...: (1 GPs behind) idle=9c8/0/0 softirq=13311/13311 fqs=1 [ 1558.573452] 20-...: (24 GPs behind) idle=be0/0/0 softirq=30971/30972 fqs=1 [ 1558.573505] 21-...: (4 GPs behind) idle=4a0/0/0 softirq=26182/26183 fqs=1 [ 1558.573557] 23-...: (0 ticks this GP) idle=b45/140000000000000/0 softirq=30549/30549 fqs=1 [ 1558.573615] (detected by 14, t=5252 jiffies, g=47014, c=47013, q=40045) [ 1558.573670] Task dump for CPU 2: [ 1558.573672] swapper/2 R running task 0 0 1 0x00200008 [ 1558.573680] 0000000000000083 640fb4432252d28b 0000016601c54f00 0000000000000002 [ 1558.573685] ffffffffb78b2320 0000000000000004 ffffffffb7205d60 ffffffffb78b2320 [ 1558.573689] ffffc24a4028a0d0 ffffffffb78b2518 0000000000000005 ffffffffb70cbb2a [ 1558.573693] Call Trace: [ 1558.573705] [<ffffffffb7205d60>] ? intel_idle+0x100/0x110 [ 1558.573712] [<ffffffffb70cbb2a>] ? cpuidle_enter_state+0xea/0x2b0 [ 1558.573717] [<ffffffffb6cb9504>] ? cpu_startup_entry+0x154/0x240 [ 1558.573721] [<ffffffffb6c4805d>] ? start_secondary+0x14d/0x190 [ 1558.573724] Task dump for CPU 17: [ 1558.573726] swapper/17 R running task 0 0 1 0x00200008 [ 1558.573729] 0000000000000083 fc4308ad94b8ed74 0000016749d5af00 0000000000000011 [ 1558.573734] ffffffffb78b2320 0000000000000004 ffffffffb7205d60 ffffffffb78b2320 [ 1558.573737] ffffc24a4044a0d0 ffffffffb78b2518 0000000000000005 ffffffffb70cbb2a [ 1558.573741] Call Trace: [ 1558.573746] [<ffffffffb7205d60>] ? intel_idle+0x100/0x110 [ 1558.573750] [<ffffffffb70cbb2a>] ? cpuidle_enter_state+0xea/0x2b0 [ 1558.573753] [<ffffffffb6cb9504>] ? cpu_startup_entry+0x154/0x240 [ 1558.573756] [<ffffffffb6c4805d>] ? start_secondary+0x14d/0x190 [ 1558.573758] Task dump for CPU 20: [ 1558.573759] swapper/20 R running task 0 0 1 0x00200008 [ 1558.573763] 0000000000000083 39fde3c30b22afa7 0000016b9477af00 0000000000000014 [ 1558.573767] ffffffffb78b2320 0000000000000004 ffffffffb7205d60 ffffffffb78b2320 [ 1558.573771] ffffc24a4050a0d0 ffffffffb78b2518 0000000000000005 ffffffffb70cbb2a [ 1558.573774] Call Trace: [ 1558.573778] [<ffffffffb7205d60>] ? intel_idle+0x100/0x110 [ 1558.573782] [<ffffffffb70cbb2a>] ? cpuidle_enter_state+0xea/0x2b0 [ 1558.573785] [<ffffffffb6cb9504>] ? cpu_startup_entry+0x154/0x240 [ 1558.573788] [<ffffffffb6c4805d>] ? start_secondary+0x14d/0x190 [ 1558.573790] Task dump for CPU 21: [ 1558.573792] swapper/21 R running task 0 0 1 0x00200008 [ 1558.573795] 0000000000000083 6b8f35123dc25bdb 0000016b9477af00 0000000000000015 [ 1558.573799] ffffffffb78b2320 0000000000000004 ffffffffb7205d60 ffffffffb78b2320 [ 1558.573803] ffffc24a4054a0d0 ffffffffb78b2518 0000000000000005 ffffffffb70cbb2a [ 1558.573806] Call Trace: [ 1558.573810] [<ffffffffb7205d60>] ? intel_idle+0x100/0x110 [ 1558.573814] [<ffffffffb70cbb2a>] ? cpuidle_enter_state+0xea/0x2b0 [ 1558.573817] [<ffffffffb6cb9504>] ? cpu_startup_entry+0x154/0x240 [ 1558.573820] [<ffffffffb6c4805d>] ? start_secondary+0x14d/0x190 [ 1558.573822] Task dump for CPU 23: [ 1558.573824] qemu-system-x86 R running task 0 18608 1 0x00000800 [ 1558.573827] 0000000000000000 ffffffffc1551560 0000000000000000 0000000000000000 [ 1558.573831] ffff9404e1c00040 ffffffffc153d9a7 0000000000000000 ffff9404e1c02760 [ 1558.573835] ffffffffc1519882 0000000000000000 ffff9404e1c02760 0000000000000004 [ 1558.573839] Call Trace: [ 1558.573882] [<ffffffffc153d9a7>] ? x86_emulate_insn+0x257/0xcf0 [kvm] [ 1558.573909] [<ffffffffc1519882>] ? emulator_pio_in_emulated+0x102/0x190 [kvm] [ 1558.573937] [<ffffffffc1539d31>] ? writeback+0x61/0x210 [kvm] [ 1558.573962] [<ffffffffc1535e1d>] ? writeback_registers+0x4d/0x60 [kvm] [ 1558.573972] [<ffffffffc09dc21f>] ? atomic_switch_perf_msrs+0x6f/0xa0 [kvm_intel] [ 1558.574011] [<ffffffffc15252e3>] ? kvm_arch_vcpu_ioctl_run+0x6b3/0x1600 [kvm] [ 1558.574035] [<ffffffffc151f2fb>] ? kvm_arch_vcpu_load+0x5b/0x270 [kvm] [ 1558.574039] [<ffffffffb6c30765>] ? __kernel_fpu_end+0x35/0x100 [ 1558.574059] [<ffffffffc150b4b5>] ? kvm_vcpu_ioctl+0x315/0x5d0 [kvm] [ 1558.574063] [<ffffffffb6ca1800>] ? wake_up_q+0x70/0x70 [ 1558.574066] [<ffffffffb6cb8799>] ? __wake_up_common+0x49/0x80 [ 1558.574069] [<ffffffffb6e1603f>] ? do_vfs_ioctl+0x9f/0x600 [ 1558.574092] [<ffffffffc151b898>] ? kvm_on_user_return+0x68/0xa0 [kvm] [ 1558.574094] [<ffffffffb6e16614>] ? SyS_ioctl+0x74/0x80 [ 1558.574111] [<ffffffffb720627b>] ? system_call_fast_compare_end+0xc/0x9b [ 1558.574116] rcu_sched kthread starved for 5248 jiffies! g47014 c47013 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x100 [ 1558.574186] rcu_sched W 0 8 2 0x00000000 [ 1558.574189] ffff9414d1facc00 0000000000000000 ffff9404f8c3e080 ffff9404ffad8240 [ 1558.574193] ffff9404f8c6f0c0 ffffa25a400b7db0 ffffffffb72015d3 ffffa25a400b7de0 [ 1558.574197] 000000010004b899 ffff9404ffad8240 0000000000000003 ffff9404f8c3e080 [ 1558.574201] Call Trace: [ 1558.574205] [<ffffffffb72015d3>] ? __schedule+0x233/0x6d0 [ 1558.574208] [<ffffffffb7201aa2>] ? schedule+0x32/0x80 [ 1558.574211] [<ffffffffb7204dae>] ? schedule_timeout+0x17e/0x310 [ 1558.574217] [<ffffffffb6ce3e50>] ? del_timer_sync+0x50/0x50 [ 1558.574220] [<ffffffffb6cdd605>] ? rcu_gp_kthread+0x505/0x850 [ 1558.574223] [<ffffffffb6cb8799>] ? __wake_up_common+0x49/0x80 [ 1558.574226] [<ffffffffb6cdd100>] ? rcu_note_context_switch+0xe0/0xe0 [ 1558.574230] [<ffffffffb6c965d7>] ? kthread+0xd7/0xf0 [ 1558.574234] [<ffffffffb6c96500>] ? kthread_park+0x60/0x60 [ 1558.574238] [<ffffffffb72064f5>] ? ret_from_fork+0x25/0x30 Thanks, Gh. _______________________________________________ vfio-users mailing list <a href="mailto:vfio-users@redhat.com">vfio-users@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/vfio-users" rel="noreferrer" target="_blank">https://www.redhat.com/mailman/listinfo/vfio-users</a> </blockquote></div> </div>