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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - qemu crash if I reboot a windows guest when "past / copy clipboard" function is enabled ( vd_agent )"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83284#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - qemu crash if I reboot a windows guest when "past / copy clipboard" function is enabled ( vd_agent )"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83284">bug 83284</a>
from <span class="vcard"><a class="email" href="mailto:mister.freeman@laposte.net" title="Barto <mister.freeman@laposte.net>"> <span class="fn">Barto</span></a>
</span></b>
<pre>(In reply to Marc-Andre Lureau from <a href="show_bug.cgi?id=83284#c2">comment #2</a>)
<span class="quote">> I can't manage to reproduce. Can you provide a qemu backtrace when the crash
> happens? thanks a lot</span >
I can easily reproduce this bug,
very important: you have to use a rolling release linux distribution ( like
archlinux in order to have the latest version of system packages, like the
kernel, xorg server ) and exactly the same settings I use,
I use archlinux 64 bits, kernel 3.17.1-1,qemu 2.1.2-1,
the guest is windows 7 32 bits with spice-guest-tools-0.74.exe,
the qemu script :
export SPICE_PORT=5924
export QEMU_AUDIO_DRV=alsa
export QEMU_AUDIO_DAC_FIXED_FREQ=48000
export QEMU_AUDIO_ADC_FIXED_FREQ=48000
qemu-system-x86_64 \
-m 1024 -vga qxl -spice port=5930,disable-ticketing -cpu host -enable-kvm
-machine type=pc,accel=kvm -smp 2 \
-soundhw ac97 \
-drive file="/mnt/wd640/machines virtuelles/win7storage/win7.vdi",if=virtio \
-netdev user,id=vmnic,hostname=arch-qemu -device virtio-net,netdev=vmnic \
-localtime -daemonize -usbdevice tablet -k fr \
-monitor <a href="telnet:127.0.0.1:12997,server,nowait,ipv4">telnet:127.0.0.1:12997,server,nowait,ipv4</a> \
-device virtio-serial-pci -device
virtserialport,chardev=spicechannel0,name=com.redhat.spice.0 -chardev
spicevmc,id=spicechannel0,name=vdagent
spicec -h 127.0.0.1 -p 5930 --hotkeys release-cursor=ctrl+alt
if I try to reboot I get a crash :
qemu-system-x86[1067]: segfault at 0 ip 00007f82e2a80a1b sp 00007ffff2423440
error 4 in libspice-server.so.1.9.0[7f82e2a74000+11e000]
how to use gdb with my qemu script in order to have a backtrace ?</pre>
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