Re: [Qemu-devel] [Bug 1087114] [NEW] assertion "QLIST_EMPTY(&bs->tracked_requests)" failed

[Zhi Yong Wu]

On Thu, Dec 6, 2012 at 12:02 PM, Brad Smith <address@hidden> wrote:
> Public bug reported:
>
> 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"
Just i hit the same issue on my large scale perf testing, mayb i
should try virtio-blk to work around before it is fixed by some guy.

>
> #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.
>
> ** Affects: qemu
>      Importance: Undecided
>          Status: New
>
> --
> 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.
>
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>



-- 
Regards,

Zhi Yong Wu