Hi, iotest 203 relatively often fails for me, at least when run in parallel. When I run the following concurrently on four shells:
$ while TEST_DIR=/tmp/t1 ./check -T -qcow2 203; do; done $ while TEST_DIR=/tmp/t2 ./check -T -qcow2 203; do; done $ while TEST_DIR=/tmp/t3 ./check -T -qcow2 203; do; done $ while TEST_DIR=/tmp/t4 ./check -T -qcow2 203; do; done Very quickly (like under ten iterations), at least one of those starts to hang and then fails because of a timeout in vm.get_qmp_event(). Before digging deeper into the ppoll() dungeon* myself, I decided to report this so I wouldn't have to. :-) *Backtrace: (gdb) bt #0 0x00007f354137b4d6 in ppoll () at /lib64/libc.so.6 #1 0x000055b659144299 in ppoll (__ss=0x0, __timeout=0x7ffe4eaca230, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/bits/poll2.h:77 #2 0x000055b659144299 in qemu_poll_ns (fds=<optimized out>, nfds=<optimized out>, timeout=timeout@entry=39512999619000) at util/qemu-timer.c:334 #3 0x000055b6591450a3 in os_host_main_loop_wait (timeout=<optimized out>) at util/main-loop.c:255 #4 0x000055b6591450a3 in main_loop_wait (nonblocking=<optimized out>) at util/main-loop.c:515 #5 0x000055b658d4a253 in main_loop () at vl.c:1933 #6 0x000055b658d4a253 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at vl.c:4757 Max
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