Re: [Qemu-devel] kvm crashes with spice while loading qxl

2011-04-26 Thread Gerd Hoffmann
Hi, [ ... back online now ... ] /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1724: kvm_mutex_unlock: Assertion `!cpu_single_env' failed. That's a spice bug. In fact, there are a lot of qemu_mutex_lock/unlock_iothread in that subsystem. I bet at least a

Re: [Qemu-devel] kvm crashes with spice while loading qxl

2011-04-26 Thread Jan Kiszka
On 2011-04-26 10:53, Gerd Hoffmann wrote: Hi, [ ... back online now ... ] /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1724: kvm_mutex_unlock: Assertion `!cpu_single_env' failed. That's a spice bug. In fact, there are a lot of

Re: [Qemu-devel] kvm crashes with spice while loading qxl

2011-04-26 Thread Alon Levy
On Tue, Apr 26, 2011 at 10:53:04AM +0200, Gerd Hoffmann wrote: Hi, [ ... back online now ... ] /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1724: kvm_mutex_unlock: Assertion `!cpu_single_env' failed. That's a spice bug. In fact, there are a lot of

Re: [Qemu-devel] kvm crashes with spice while loading qxl

2011-04-26 Thread Gerd Hoffmann
On 04/26/11 11:06, Jan Kiszka wrote: On 2011-04-26 10:53, Gerd Hoffmann wrote: Two general issues with dropping the global mutex like this: - The caller of mutex_unlock is responsible for maintaining cpu_single_env across the unlocked phase (that's related to the abort above).