I am currently experiencing this on Mac OS X 10.8 also, custom built yesterday evening from the master branch.
I have looked at the diff and it looks like it has been applied in qemu- thread-posix.c file, but no luck. Any pointers? Thanks -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1087114 Title: assertion "QLIST_EMPTY(&bs->tracked_requests)" failed Status in QEMU: New Bug description: QEMU 1.3.0 on OpenBSD now crashes with an error as shown below and the command line params do not seem to matter. assertion "QLIST_EMPTY(&bs->tracked_requests)" failed: file "block.c", line 1220, function "bdrv_drain_all" #1 0x0000030d1bce24aa in abort () at /usr/src/lib/libc/stdlib/abort.c:70 p = (struct atexit *) 0x30d11897000 mask = 4294967263 cleanup_called = 1 #2 0x0000030d1bc5ff44 in __assert2 (file=Variable "file" is not available. ) at /usr/src/lib/libc/gen/assert.c:52 No locals. #3 0x0000030b0d383a03 in bdrv_drain_all () at block.c:1220 bs = (BlockDriverState *) 0x30d13f3b630 busy = false __func__ = "bdrv_drain_all" #4 0x0000030b0d43acfc in bmdma_cmd_writeb (bm=0x30d0f5f56a8, val=8) at hw/ide/pci.c:312 __func__ = "bmdma_cmd_writeb" #5 0x0000030b0d43b450 in bmdma_write (opaque=0x30d0f5f56a8, addr=0, val=8, size=1) at hw/ide/piix.c:76 bm = (BMDMAState *) 0x30d0f5f56a8 #6 0x0000030b0d5c2ce6 in memory_region_write_accessor (opaque=0x30d0f5f57d0, addr=0, value=0x30d18c288f0, size=1, shift=0, mask=255) at /home/ports/pobj/qemu-1.3.0-debug/qemu-1.3.0/memory.c:334 mr = (MemoryRegion *) 0x30d0f5f57d0 tmp = 8 #7 0x0000030b0d5c2dc5 in access_with_adjusted_size (addr=0, value=0x30d18c288f0, size=1, access_size_min=1, access_size_max=4, access=0x30b0d5c2c6b <memory_region_write_accessor>, opaque=0x30d0f5f57d0) at /home/ports/pobj/qemu-1.3.0-debug/qemu-1.3.0/memory.c:364 access_mask = 255 access_size = 1 i = 0 #8 0x0000030b0d5c3222 in memory_region_iorange_write (iorange=0x30d1d5e7400, offset=0, width=1, data=8) at /home/ports/pobj/qemu-1.3.0-debug/qemu-1.3.0/memory.c:439 mrio = (MemoryRegionIORange *) 0x30d1d5e7400 mr = (MemoryRegion *) 0x30d0f5f57d0 __func__ = "memory_region_iorange_write" #9 0x0000030b0d5c019a in ioport_writeb_thunk (opaque=0x30d1d5e7400, addr=49216, data=8) at /home/ports/pobj/qemu-1.3.0-debug/qemu-1.3.0/ioport.c:212 ioport = (IORange *) 0x30d1d5e7400 #10 0x0000030b0d5bfb65 in ioport_write (index=0, address=49216, data=8) at /home/ports/pobj/qemu-1.3.0-debug/qemu-1.3.0/ioport.c:83 func = (IOPortWriteFunc *) 0x30b0d5c0148 <ioport_writeb_thunk> default_func = {0x30b0d5bfbbc <default_ioport_writeb>, 0x30b0d5bfc61 <default_ioport_writew>, 0x30b0d5bfd0c <default_ioport_writel>} #11 0x0000030b0d5c0704 in cpu_outb (addr=49216, val=8 '\b') at /home/ports/pobj/qemu-1.3.0-debug/qemu-1.3.0/ioport.c:289 No locals. #12 0x0000030b0d6067dd in helper_outb (port=49216, data=8) at /home/ports/pobj/qemu-1.3.0-debug/qemu-1.3.0/target-i386/misc_helper.c:72 No locals. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1087114/+subscriptions