Third stack trace: -------------------------------------------------------------------------- #0 0x00007f4d5ad6a067 in raise () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f4d5ad6b448 in abort () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x0000562a4c582b6c in qemu_coroutine_enter (co=0x7f4b1bf0a900) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:113 #3 0x0000562a4c582e55 in qemu_co_queue_run_restart (co=0x7f4b1bf0a830) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #4 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b1bf0a830) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #5 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b1bf0f4c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #6 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b1bf0f4c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #7 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e07c40) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #8 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e07c40) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #9 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e11420) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #10 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e11420) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #11 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e18c30) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #12 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e18c30) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #13 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b1bf07ea0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #14 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b1bf07ea0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #15 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b1000c0c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #16 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b1000c0c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #17 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e11b10) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #18 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e11b10) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #19 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e10500) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #20 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e10500) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #21 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b1bf0a610) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #22 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b1bf0a610) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #23 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e12820) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #24 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e12820) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #25 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b10002b10) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #26 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b10002b10) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #27 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b1000bfb0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #28 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b1000bfb0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #29 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e103f0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #30 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e103f0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #31 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e078b0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #32 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e078b0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #33 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4adfe02b00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #34 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4adfe02b00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #35 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b15701ae0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #36 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b15701ae0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #37 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e162f0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #38 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e162f0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #39 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b10009fe0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #40 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b10009fe0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #41 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e0b860) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #42 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e0b860) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #43 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b23f035c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #44 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b23f035c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #45 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b19e030c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #46 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b19e030c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #47 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b100051b0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #48 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b100051b0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #49 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4adfe03970) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #50 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4adfe03970) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #51 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e11a00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #52 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e11a00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #53 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e0e0a0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #54 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e0e0a0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #55 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e0ede0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #56 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e0ede0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #57 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4aeff00860) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #58 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4aeff00860) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 ---Type to continue, or q to quit--- #59 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e0d6f0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #60 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e0d6f0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #61 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e0e490) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #62 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e0e490) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #63 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e17370) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #64 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e17370) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #65 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e15c40) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #66 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e15c40) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #67 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b07f00a80) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #68 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b07f00a80) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #69 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b15703250) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #70 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b15703250) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #71 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e17870) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #72 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e17870) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #73 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b15703140) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #74 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b15703140) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #75 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e0c210) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #76 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e0c210) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #77 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e08650) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #78 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e08650) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #79 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e07470) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #80 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e07470) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #81 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b15e03a10) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #82 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b15e03a10) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #83 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e11d90) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #84 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e11d90) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #85 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4b17e13d00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #86 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b17e13d00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #87 0x0000562a4c582e74 in qemu_co_queue_run_restart (co=0x7f4afbe02b00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 #88 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4afbe02b00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 #89 0x0000562a4c582fa0 in qemu_co_enter_next (queue=queue@entry=0x562a4d8e65e0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:106 #90 0x0000562a4c521060 in timer_cb (blk=0x562a4d8e6590, is_write=) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/block/throttle-groups.c:400 #91 0x0000562a4c4de615 in timerlist_run_timers (timer_list=0x562a4d952d40) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/qemu-timer.c:528 #92 0x0000562a4c4de679 in timerlistgroup_run_timers (tlg=tlg@entry=0x562a4ecd0758) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/qemu-timer.c:564 #93 0x0000562a4c4def47 in aio_dispatch (ctx=ctx@entry=0x562a4ecd0610) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/aio-posix.c:357 #94 0x0000562a4c4df0e8 in aio_poll (ctx=0x562a4ecd0610, blocking=) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/aio-posix.c:479 #95 0x0000562a4c340c79 in iothread_run (opaque=0x562a4ecd03c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/iothread.c:46 #96 0x00007f4d5b0e80a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #97 0x00007f4d5ae1d62d in clone () from /lib/x86_64-linux-gnu/libc.so.6 -------------------------------------------------------------------------- Looking at the data: -------------------------------------------------------------------------- (gdb) frame 2 #2 0x0000562a4c582b6c in qemu_coroutine_enter (co=0x7f4b1bf0a900) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:113 113 /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c: No such file or directory. (gdb) print *co $1 = {entry = 0x7f4d23f20198, entry_arg = 0x1, caller = 0x7f4d23f20178, pool_next = {sle_next = 0x10}, co_queue_wakeup = {sqh_first = 0x7f4c605fb000, sqh_last = 0x1000}, co_queue_next = { sqe_next = 0x7f4c584f5000}} (gdb) print *co->caller $2 = {entry = 0x400400000001, entry_arg = 0x5000ac0, caller = 0x0, pool_next = {sle_next = 0x0}, co_queue_wakeup = {sqh_first = 0x0, sqh_last = 0xffffea0005b1fec0}, co_queue_next = {sqe_next = 0x100000000000}} (gdb) frame 4 #4 0x0000562a4c5829a9 in qemu_coroutine_enter (co=0x7f4b1bf0a830) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 119 in /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c (gdb) print *co $5 = {entry = 0x7f4b180001d8, entry_arg = 0x7f4b180001d8, caller = 0x7f4b1bf0a8d8, pool_next = {sle_next = 0x7f4b1bf0a8e0}, co_queue_wakeup = {sqh_first = 0x7f4c584f5000, sqh_last = 0x7f4b1bf0a910}, co_queue_next = {sqe_next = 0x5000ac0}} (gdb) print *co->caller $6 = {entry = 0x230120198, entry_arg = 0x230120178, caller = 0x16c7fb000, pool_next = {sle_next = 0x1646f5000}, co_queue_wakeup = {sqh_first = 0x1718c2000, sqh_last = 0x7f4d23f20198}, co_queue_next = { sqe_next = 0x1}} -------------------------------------------------------------------------- Same thing.