On Tue, May 09, 2017 at 11:15:06AM +0100, Richard W.M. Jones wrote: > > No I'm afraid this patch series does not fix the bug. > > The stack trace is below. > > Rich. >
I'm looking through qemu-defel, and I'm not finding a reference to the bug mentioned. Maybe I'm just missing it... can you describe the bug or point me to the relevant email thread? Thanks, Jeff > Thread 4 (Thread 0x7f8595cf1700 (LWP 11235)): > #0 0x00007f86348e6700 in do_futex_wait () at /lib64/libpthread.so.0 > #1 0x00007f86348e6813 in __new_sem_wait_slow () at /lib64/libpthread.so.0 > #2 0x00005610e458519f in qemu_sem_timedwait (sem=sem@entry=0x5610e5db7508, > ms=ms@entry=10000) at util/qemu-thread-posix.c:255 > #3 0x00005610e458043c in worker_thread (opaque=0x5610e5db74a0) > at util/thread-pool.c:92 > #4 0x00007f86348dd36d in start_thread () at /lib64/libpthread.so.0 > #5 0x00007f862e830e0f in clone () at /lib64/libc.so.6 > > Thread 3 (Thread 0x7f8621347700 (LWP 10865)): > #0 0x00007f862e826837 in ioctl () at /lib64/libc.so.6 > #1 0x00005610e4216387 in kvm_vcpu_ioctl (cpu=cpu@entry=0x5610e60f2030, > type=type@entry=44672) at /home/rjones/d/qemu/kvm-all.c:2154 > #2 0x00005610e42164be in kvm_cpu_exec (cpu=cpu@entry=0x5610e60f2030) > at /home/rjones/d/qemu/kvm-all.c:1992 > #3 0x00005610e4202f94 in qemu_kvm_cpu_thread_fn (arg=0x5610e60f2030) > at /home/rjones/d/qemu/cpus.c:1118 > #4 0x00007f86348dd36d in start_thread () at /lib64/libpthread.so.0 > #5 0x00007f862e830e0f in clone () at /lib64/libc.so.6 > > Thread 2 (Thread 0x7f8626559700 (LWP 10863)): > #0 0x00007f862e82b7a9 in syscall () at /lib64/libc.so.6 > #1 0x00005610e4585325 in qemu_futex_wait (val=<optimized out>, f=<optimized > out>) at /home/rjones/d/qemu/include/qemu/futex.h:26 > #2 0x00005610e4585325 in qemu_event_wait (ev=ev@entry=0x5610e5019ee4 > <rcu_call_ready_event>) at util/qemu-thread-posix.c:399 > #3 0x00005610e459539e in call_rcu_thread (opaque=<optimized out>) > at util/rcu.c:249 > #4 0x00007f86348dd36d in start_thread () at /lib64/libpthread.so.0 > #5 0x00007f862e830e0f in clone () at /lib64/libc.so.6 > > Thread 1 (Thread 0x7f863757dc80 (LWP 10861)): > #0 0x00007f862e824dc6 in ppoll () at /lib64/libc.so.6 > #1 0x00005610e4580ea9 in ppoll (__ss=0x0, __timeout=0x0, __nfds=<optimized > out>, __fds=<optimized out>) at /usr/include/bits/poll2.h:77 > #2 0x00005610e4580ea9 in qemu_poll_ns (fds=<optimized out>, nfds=<optimized > out>, timeout=timeout@entry=-1) at util/qemu-timer.c:322 > #3 0x00005610e4582af4 in aio_poll (ctx=ctx@entry=0x5610e5d92860, > blocking=<optimized out>) at util/aio-posix.c:622 > #4 0x00007f8624848299 in curl_init_state (bs=<optimized out>, > s=s@entry=0x5610e5defb10) at block/curl.c:490 > #5 0x00007f8624848a51 in curl_readv_bh_cb (p=0x5610e78afb70) > at block/curl.c:871 > #6 0x00005610e457fb1e in aio_bh_call (bh=0x5610e6128f10) at util/async.c:90 > #7 0x00005610e457fb1e in aio_bh_poll (ctx=ctx@entry=0x5610e5d92860) > at util/async.c:118 > #8 0x00005610e4582cf4 in aio_poll (ctx=ctx@entry=0x5610e5d92860, > blocking=<optimized out>) at util/aio-posix.c:682 > #9 0x00007f8624848299 in curl_init_state (bs=<optimized out>, > s=s@entry=0x5610e5defb10) at block/curl.c:490 > #10 0x00007f8624848a51 in curl_readv_bh_cb (p=0x5610e6f01380) > at block/curl.c:871 > #11 0x00005610e457fb1e in aio_bh_call (bh=0x5610e6e1fff0) at util/async.c:90 > #12 0x00005610e457fb1e in aio_bh_poll (ctx=ctx@entry=0x5610e5d92860) > at util/async.c:118 > #13 0x00005610e4582cf4 in aio_poll (ctx=ctx@entry=0x5610e5d92860, > blocking=<optimized out>) at util/aio-posix.c:682 > #14 0x00007f8624848299 in curl_init_state (bs=<optimized out>, > s=s@entry=0x5610e5defb10) at block/curl.c:490 > #15 0x00007f8624848a51 in curl_readv_bh_cb (p=0x5610e77d6ec0) > at block/curl.c:871 > #16 0x00005610e457fb1e in aio_bh_call (bh=0x5610e7229960) at util/async.c:90 > #17 0x00005610e457fb1e in aio_bh_poll (ctx=ctx@entry=0x5610e5d92860) > at util/async.c:118 > #18 0x00005610e4582cf4 in aio_poll (ctx=ctx@entry=0x5610e5d92860, > blocking=<optimized out>) at util/aio-posix.c:682 > #19 0x00007f8624848299 in curl_init_state (bs=<optimized out>, > s=s@entry=0x5610e5defb10) at block/curl.c:490 > #20 0x00007f8624848a51 in curl_readv_bh_cb (p=0x5610e7877220) > at block/curl.c:871 > #21 0x00005610e457fb1e in aio_bh_call (bh=0x5610e7054e20) at util/async.c:90 > #22 0x00005610e457fb1e in aio_bh_poll (ctx=ctx@entry=0x5610e5d92860) > at util/async.c:118 > #23 0x00005610e4582cf4 in aio_poll (ctx=ctx@entry=0x5610e5d92860, > blocking=<optimized out>) at util/aio-posix.c:682 > #24 0x00007f8624848299 in curl_init_state (bs=<optimized out>, > s=s@entry=0x5610e5defb10) at block/curl.c:490 > #25 0x00007f8624848a51 in curl_readv_bh_cb (p=0x5610e7903cb0) > at block/curl.c:871 > #26 0x00005610e457fb1e in aio_bh_call (bh=0x5610e7903d10) at util/async.c:90 > #27 0x00005610e457fb1e in aio_bh_poll (ctx=ctx@entry=0x5610e5d92860) > at util/async.c:118 > #28 0x00005610e4582cf4 in aio_poll (ctx=ctx@entry=0x5610e5d92860, > blocking=<optimized out>) at util/aio-posix.c:682 > #29 0x00007f8624848299 in curl_init_state (bs=<optimized out>, > s=s@entry=0x5610e5defb10) at block/curl.c:490 > #30 0x00007f8624848a51 in curl_readv_bh_cb (p=0x5610e7146fb0) > at block/curl.c:871 > #31 0x00005610e457fb1e in aio_bh_call (bh=0x5610e70593d0) at util/async.c:90 > #32 0x00005610e457fb1e in aio_bh_poll (ctx=ctx@entry=0x5610e5d92860) > at util/async.c:118 > #33 0x00005610e45829c0 in aio_dispatch (ctx=0x5610e5d92860) > at util/aio-posix.c:429 > #34 0x00005610e457f9fe in aio_ctx_dispatch (source=<optimized out>, > callback=<optimized out>, user_data=<optimized out>) at util/async.c:261 > #35 0x00007f863235d1d7 in g_main_context_dispatch () at > /lib64/libglib-2.0.so.0 > #36 0x00005610e4581c17 in glib_pollfds_poll () at util/main-loop.c:213 > #37 0x00005610e4581c17 in os_host_main_loop_wait (timeout=<optimized out>) > at util/main-loop.c:261 > #38 0x00005610e4581c17 in main_loop_wait (nonblocking=<optimized out>) > at util/main-loop.c:517 > #39 0x00005610e41c3ad1 in main_loop () at vl.c:1899 > #40 0x00005610e41c3ad1 in main (argc=<optimized out>, argv=<optimized out>, > envp=<optimized out>) at vl.c:4719 > > > -- > Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones > Read my programming and virtualization blog: http://rwmj.wordpress.com > virt-p2v converts physical machines to virtual machines. Boot with a > live CD or over the network (PXE) and turn machines into KVM guests. > http://libguestfs.org/virt-v2v
