Kevin Wolf <kw...@redhat.com> writes: > Am 14.10.2020 um 19:20 hat Alex Bennée geschrieben: >> >> Kevin Wolf <kw...@redhat.com> writes: >> >> > We can only destroy Monitor objects after we're sure that they are not >> > in use by the dispatcher coroutine any more. This fixes crashes like the >> > following where we tried to destroy a monitor mutex while the dispatcher >> > coroutine still holds it: >> > >> > (gdb) bt >> > #0 0x00007fe541cf4bc5 in raise () at /lib64/libc.so.6 >> > #1 0x00007fe541cdd8a4 in abort () at /lib64/libc.so.6 >> > #2 0x000055c24e965327 in error_exit (err=16, msg=0x55c24eead3a0 >> > <__func__.33> "qemu_mutex_destroy") at ../util/qemu-thread-posix.c:37 >> > #3 0x000055c24e9654c3 in qemu_mutex_destroy (mutex=0x55c25133e0f0) at >> > ../util/qemu-thread-posix.c:70 >> > #4 0x000055c24e7cfaf1 in monitor_data_destroy_qmp (mon=0x55c25133dfd0) >> > at ../monitor/qmp.c:439 >> > #5 0x000055c24e7d23bc in monitor_data_destroy (mon=0x55c25133dfd0) at >> > ../monitor/monitor.c:615 >> > #6 0x000055c24e7d253a in monitor_cleanup () at ../monitor/monitor.c:644 >> > #7 0x000055c24e6cb002 in qemu_cleanup () at ../softmmu/vl.c:4549 >> > #8 0x000055c24e0d259b in main (argc=24, argv=0x7ffff66b0d58, >> > envp=0x7ffff66b0e20) at ../softmmu/main.c:51 >> > >> > Reported-by: Alex Bennée <alex.ben...@linaro.org> >> > Signed-off-by: Kevin Wolf <kw...@redhat.com> >> >> LGTM: >> >> Tested-by: Alex Bennée <alex.ben...@linaro.org> >> Reviewed-by: Alex Bennée <alex.ben...@linaro.org> >> >> Who's tree is going to take it? > > In theory Markus, but he's on vacation this week. As this seems to > affect multiple people and we want to unblock testing quickly, I'll just > take it through mine.
Thanks!