23.01.2019 18:48, Max Reitz wrote: > Hi, > > When running 169 in parallel (e.g. like so: > > $ while TEST_DIR=/tmp/t0 ./check -T -qcow2 169; do; done > $ while TEST_DIR=/tmp/t1 ./check -T -qcow2 169; do; done > $ while TEST_DIR=/tmp/t2 ./check -T -qcow2 169; do; done > $ while TEST_DIR=/tmp/t3 ./check -T -qcow2 169; do; done > > in four different shells), I get aborts: > > (Often I get segfaults, but that's because of > http://lists.nongnu.org/archive/html/qemu-devel/2018-12/msg05579.html -- > feel free to apply the attached patch to make them go away)
Hi, Didn't you send it in separate? iotests still fails sometimes with segfault in chardev code... > > > WARNING:qemu:qemu received signal 6: > build/tests/qemu-iotests/../../x86_64-softmmu/qemu-system-x86_64 > -chardev socket,id=mon,path=/tmp/t0/tmpbX30XU/qemua-25745-monitor.sock > -mon chardev=mon,mode=control -display none -vga none -qtest > unix:path=/tmp/t0/qemua-25745-qtest.sock -machine accel=qtest > -nodefaults -machine accel=qtest -drive > if=virtio,id=drive0,file=/tmp/t0/disk_a,format=qcow2,cache=writeback > .................E.. > ====================================================================== > ERROR: > test_do_test_migration_resume_source_not_persistent__not_migbitmap > (__main__.TestDirtyBitmapMigration) > ---------------------------------------------------------------------- > Traceback (most recent call last): > File "169", line 206, in <lambda> > setattr(klass, 'test_' + method + name, lambda self: mc(self)) > File "169", line 113, in do_test_migration_resume_source > self.check_bitmap(self.vm_a, sha256) > File "169", line 72, in check_bitmap > node='drive0', name='bitmap0') > File "tests/qemu-iotests/../../scripts/qemu.py", line 369, in qmp > return self._qmp.cmd(cmd, args=qmp_args) > File "tests/qemu-iotests/../../scripts/qmp/qmp.py", line 191, in cmd > return self.cmd_obj(qmp_cmd) > File "tests/qemu-iotests/../../scripts/qmp/qmp.py", line 174, in cmd_obj > resp = self.__json_read() > File "tests/qemu-iotests/../../scripts/qmp/qmp.py", line 82, in > __json_read > data = self.__sockfile.readline() > File "/usr/lib64/python2.7/socket.py", line 451, in readline > data = self._sock.recv(self._rbufsize) > error: [Errno 104] Connection reset by peer > > ---------------------------------------------------------------------- > Ran 20 tests > > FAILED (errors=1) > > > Or: > > WARNING:qemu:qemu received signal 6: > build/tests/qemu-iotests/../../x86_64-softmmu/qemu-system-x86_64 > -chardev socket,id=mon,path=/tmp/t3/tmp0pllWD/qemua-3445-monitor.sock > -mon chardev=mon,mode=control -display none -vga none -qtest > unix:path=/tmp/t3/qemua-3445-qtest.sock -machine accel=qtest -nodefaults > -machine accel=qtest -drive > if=virtio,id=drive0,file=/tmp/t3/disk_a,format=qcow2,cache=writeback > WARNING:qemu:qemu received signal 6: > build/tests/qemu-iotests/../../x86_64-softmmu/qemu-system-x86_64 > -chardev socket,id=mon,path=/tmp/t3/tmp0pllWD/qemua-3445-monitor.sock > -mon chardev=mon,mode=control -display none -vga none -qtest > unix:path=/tmp/t3/qemua-3445-qtest.sock -machine accel=qtest -nodefaults > -machine accel=qtest -drive > if=virtio,id=drive0,file=/tmp/t3/disk_a,format=qcow2,cache=writeback > > ...................F > ====================================================================== > FAIL: test_do_test_migration_resume_source_persistent__not_migbitmap > (__main__.TestDirtyBitmapMigration) > ---------------------------------------------------------------------- > Traceback (most recent call last): > File "169", line 206, in <lambda> > setattr(klass, 'test_' + method + name, lambda self: mc(self)) > File "169", line 125, in do_test_migration_resume_source > self.assertEqual(log, '') > AssertionError: "qemu-system-x86_64: invalid runstate transition: > 'running' -> 'postmigrate'\n" != '' > > ---------------------------------------------------------------------- > Ran 20 tests > > FAILED (failures=1) > > > The backtrace always goes like this: > > (gdb) bt > #0 0x00007f0acf5cc53f in raise () at /lib64/libc.so.6 > #1 0x00007f0acf5b6895 in abort () at /lib64/libc.so.6 > #2 0x000055a46ebbb1a6 in runstate_set (new_state=RUN_STATE_POSTMIGRATE) > at vl.c:742 > #3 0x000055a46ebbb1a6 in runstate_set > (new_state=new_state@entry=RUN_STATE_POSTMIGRATE) at vl.c:730 > #4 0x000055a46ed39129 in migration_iteration_finish (s=0x55a4708be000) > at migration/migration.c:2972 > #5 0x000055a46ed39129 in migration_thread > (opaque=opaque@entry=0x55a4708be000) at migration/migration.c:3130 > #6 0x000055a46eea665a in qemu_thread_start (args=<optimized out>) at > util/qemu-thread-posix.c:502 > > > #7 0x00007f0acf76258e in start_thread () at /lib64/libpthread.so.0 > #8 0x00007f0acf6916a3 in clone () at /lib64/libc.so.6 > (gdb) frame 2 > #2 0x000055a46ebbb1a6 in runstate_set (new_state=RUN_STATE_POSTMIGRATE) > at vl.c:742 > 742 abort(); > (gdb) print current_run_state > $1 = RUN_STATE_RUNNING > > > Neither of migration or runstates are my strong suite, so I thought I'd > report it before diving into it. > > Max > -- Best regards, Vladimir
