<div dir="ltr"><div dir="ltr"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Feb 20, 2019 at 1:29 AM Cole Robinson <<a href="mailto:crobinso@redhat.com">crobinso@redhat.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 2/18/19 7:39 AM, Daniel Kasak wrote:<br>
> On Tue, Feb 19, 2019 at 12:38 AM Cole Robinson <<a href="mailto:crobinso@redhat.com" target="_blank">crobinso@redhat.com</a><br>
> <mailto:<a href="mailto:crobinso@redhat.com" target="_blank">crobinso@redhat.com</a>>> wrote:<br>
> <br>
> On 2/17/19 10:57 AM, Daniel Kasak wrote:<br>
> > On Sat, Feb 9, 2019 at 2:05 AM Cole Robinson <<a href="mailto:crobinso@redhat.com" target="_blank">crobinso@redhat.com</a><br>
> <mailto:<a href="mailto:crobinso@redhat.com" target="_blank">crobinso@redhat.com</a>><br>
> > <mailto:<a href="mailto:crobinso@redhat.com" target="_blank">crobinso@redhat.com</a> <mailto:<a href="mailto:crobinso@redhat.com" target="_blank">crobinso@redhat.com</a>>>> wrote:<br>
> ><br>
> > On 2/8/19 7:49 PM, Daniel Kasak wrote:<br>
> > > I've changed the following from the default:<br>
> > ><br>
> > > Display Spice:<br>
> > > - Listen type<br>
> > > - Default ( Address ) - no matter what other options I<br>
> choose with<br>
> > > this, I get "SPICE GL support is local-only ..."<br>
> > > - None - I get "Error starting domain: internal error: qemu<br>
> > > unexpectedly closed the monitor"<br>
> > ><br>
> ><br>
> > This last bit should be the working config, but that error means<br>
> > something went wrong launching qemu. pastebin your<br>
> > /var/log/libvirt/qemu/$vmname.log and I will check<br>
> ><br>
> ><br>
> > It's taken a while to figure out exactly what's going on here ...<br>
> there<br>
> > are *no* logs in that directory. But I caught systemd logging:<br>
> > Process 15334 (qemu-system-x86) of user 1000 dumped core.<br>
> > ... each time I tried to start the VM.<br>
> ><br>
> > I've tried with qemu-3.1.0 and qemu built from git.<br>
> ><br>
> > Is there a way to get virt-manager to spit out the exact command line<br>
> > it's using to invoke qemu?<br>
> <br>
> Are you using qemu:///session maybe? Then the logs will be in<br>
> ~/.cache/libvirt/qemu/log/ . The log file is the the canonical location<br>
> to find the qemu command line that libvirt is generating<br>
> <br>
> <br>
> Aha. I have the command-line now. Thanks :) Full log:<br>
<br>
> <br>
> char device redirected to /dev/pts/7 (label charserial0)<br>
> ./run.sh: line 49: 31512 Bad system call (core dumped) LC_ALL=C<br>
> PATH=/home/dkasak/Applications/.bin:/opt/efl/bin:/usr/lib/llvm/7/bin:/opt/e22/bin:/opt/rocm/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin<br>
> HOME=/home/dkasak USER=dkasak LOGNAME=dkasak QEMU_AUDIO_DRV=spice<br>
> /usr/bin/qemu-system-x86_64 -name guest=Android-x86,debug-threads=on -S<br>
> -machine pc-i440fx-3.1,accel=tcg,usb=off,vmport=off,dump-guest-core=off<br>
> -cpu kvm64 -m 1024 -realtime mlock=off -smp<br>
> 2,sockets=2,cores=1,threads=1 -uuid 3e432cc9-8ce8-4089-912f-8ef50d9a9c8a<br>
> -no-user-config -nodefaults -mon<br>
> chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew<br>
> -global kvm-pit.lost_tick_policy=delay -no-hpet -no-shutdown -global<br>
> PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -boot strict=on<br>
> -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device<br>
> ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5<br>
> -device<br>
> ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1<br>
> -device<br>
> ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2 -drive<br>
> file=/home/dkasak/.local/share/libvirt/images/Android-x86.qcow2,format=qcow2,if=none,id=drive-ide0-0-0<br>
> -device<br>
> ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1<br>
> -drive if=none,id=drive-ide0-0-1,readonly=on -device<br>
> ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 -netdev<br>
> user,id=hostnet0 -device<br>
> e1000,netdev=hostnet0,id=net0,mac=52:54:00:74:b8:ea,bus=pci.0,addr=0x3<br>
> -chardev pty,id=charserial0 -device<br>
> isa-serial,chardev=charserial0,id=serial0 -device<br>
> usb-tablet,id=input0,bus=usb.0,port=1 -spice<br>
> port=0,disable-ticketing,image-compression=off,gl=on,rendernode=/dev/dri/renderD128,seamless-migration=on<br>
> -device virtio-vga,id=video0,virgl=on,max_outputs=1,bus=pci.0,addr=0x2<br>
> -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device<br>
> hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -chardev<br>
> spicevmc,id=charredir0,name=usbredir -device<br>
> usb-redir,chardev=charredir0,id=redir0,bus=usb.0,port=2 -chardev<br>
> spicevmc,id=charredir1,name=usbredir -device<br>
> usb-redir,chardev=charredir1,id=redir1,bus=usb.0,port=3 -device<br>
> virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 -sandbox<br>
> on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny<br>
> -msg timestamp=on<br>
<br>
<br>
Does dropping the -sandbox line make things work? Maybe that 'Bad system<br>
call' thing is a seccomp error<br></blockquote><div><br></div><div>It changes things ...</div><div><br></div><div>Now qemu just hangs instead of core-dumping :) strace on the process gives:</div><div><br></div><div>ppoll([{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=19, events=POLLIN}], 5, {tv_sec=0, tv_nsec=0}, NULL, 8) = 0 (Timeout)<br>ppoll([{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=19, events=POLLIN}], 5, {tv_sec=0, tv_nsec=29564013}, NULL, 8) = 0 (Timeout)<br>ppoll([{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=19, events=POLLIN}], 5, {tv_sec=0, tv_nsec=0}, NULL, 8) = 0 (Timeout)<br>ppoll([{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=19, events=POLLIN}], 5, {tv_sec=0, tv_nsec=29596135}, NULL, 8) = 0 (Timeout)<br>ppoll([{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=19, events=POLLIN}], 5, {tv_sec=0, tv_nsec=0}, NULL, 8) = 0 (Timeout)<br>ppoll([{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=19, events=POLLIN}], 5, {tv_sec=0, tv_nsec=29462631}, NULL, 8) = 0 (Timeout)<br>ppoll([{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=19, events=POLLIN}], 5, {tv_sec=0, tv_nsec=0}, NULL, 8) = 0 (Timeout)<br>ppoll([{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=17, events=POLLIN}, {fd=19, events=POLLIN}], 5, {tv_sec=0, tv_nsec=29485905}, NULL, 8) = 0 (Timeout)<br></div><div><br></div><div>etc</div><div><br></div><div>Dan<br></div></div></div></div>