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emacs (gtk3) core dumped with -vga qxl
Emacs (gtk3) exited with bus error and core dumped with -vga qxl. If I use the builtin modesetting xorg driver, emacs could survive for a short while sometimes. If I use xf86-video-qxl (git r587.8babd05), it dies right away with the same error. It seems to corrupt xorg at some point as well, because sometimes I cannot exit i3 properly and gnome-terminal can go crazy afterwards (all letters become empty retangles).
It doesn't seem to happen with other -vga driver.
Error message is attached. Can also provide the core dumped but it's of 47M.
I started the vm as root (sudo) with the following command: qemu-system-x86_64 -enable-kvm -m 4G -virtfs local,mount_tag=qemu,security_model=passthrough,path=/mnt/qemu/ -kernel /mnt/qemu/boot/vmlinuz-linux -initrd /mnt/qemu/boot/initramfs-linux-fallback.img -append 'rw root=qemu fstype=9p' -usbdevice tablet -vga qxl -spice port=12345,disable-ticketing
/mnt/qemu is a btrfs snapshot of the subvolume used as the host root
Arch Linux, qemu 2.3.0, xorg-server 1.17.1, linux 4.0.4, gtk 3.16.3, glib 2.44.1
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