On Tue, Jan 15, 2008 at 12:13:40PM -0800, Darrick J. Wong wrote: > On Tue, Jan 15, 2008 at 05:07:46PM +0200, Avi Kivity wrote: > > > Are you using qcow? If so, this may be the recently-committed smp aio > > deadlock fix. See 6bcdef5c1157bd7b526491252d20f8007ff2e9dc. Please try a > > fresh qemu-userspace.git. > > qcow2, actually. qcow + fresh git seems to reduce the deadlocks, but > not eliminate them entirely. Converting to raw fixes the problem.
Drat, raw doesn't really fix it either. Deadlock on reboot; same stack trace as before: (gdb) where #0 0x00002ab011f45af8 in __lll_mutex_lock_wait () from /lib/libpthread.so.0 #1 0x00002ab011f41ada in _L_mutex_lock_100 () from /lib/libpthread.so.0 #2 0x00002ab011f41475 in pthread_mutex_lock () from /lib/libpthread.so.0 #3 0x000000006008c767 in kvm_eat_signal (env=0x60281640, timeout=327644400) at /usr/local/src/kvm-userspace/qemu/qemu-kvm.c:176 #4 0x000000006008c84f in kvm_eat_signals (env=0x625944a0, timeout=0) at /usr/local/src/kvm-userspace/qemu/qemu-kvm.c:198 #5 0x000000006008c90b in kvm_main_loop_wait (env=0x625944a0, timeout=0) at /usr/local/src/kvm-userspace/qemu/qemu-kvm.c:219 #6 0x000000006008d0cb in kvm_main_loop_cpu (env=0x625944a0) at /usr/local/src/kvm-userspace/qemu/qemu-kvm.c:346 #7 0x0000000060010b94 in main (argc=0, argv=0x7fff99945418) at /usr/local/src/kvm-userspace/qemu/vl.c:7817 --D ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kvm-devel
