Description of problem:

crashed while inside the kvm guest OS tried to format NTFS partition.

(gdb) bt
#0  0x00007fd5a596f085 in raise () from /lib64/libc-2.12.90.so
#1  0x00007fd5a5970a36 in abort () from /lib64/libc-2.12.90.so
#2  0x00007fd5a59678c5 in __assert_fail () from /lib64/libc-2.12.90.so
#3  0x000000000043d997 in raw_aio_writev (bs=0x124a800, sector_num=10321681, qiov=0x7fd59c034b28, nb_sectors=8, cb=0x7fd5a0b95700, opaque=0x7fd5a5a9d2d4) at block/raw.c:130
#4  0x0000000000439582 in bdrv_aio_writev (bs=0x124a800, sector_num=10321681, qiov=<value optimized out>, nb_sectors=8, cb=0x556520 <dma_bdrv_cb>, opaque=<value optimized out>) at block.c:2020
#5  0x0000000000556675 in dma_bdrv_cb (opaque=0x7fd59c034ad0, ret=<value optimized out>) at /usr/src/debug/qemu-kvm-0.13.0/dma-helpers.c:120
#6  0x0000000000556764 in dma_bdrv_io (bs=0x124a800, sg=0x16d6590, sector_num=10321681, cb=<value optimized out>, opaque=<value optimized out>, is_write=1)
    at /usr/src/debug/qemu-kvm-0.13.0/dma-helpers.c:167
#7  0x00000000005504d5 in ide_write_dma_cb (opaque=0x16d6ff0, ret=<value optimized out>) at /usr/src/debug/qemu-kvm-0.13.0/hw/ide/core.c:748
#8  0x00000000005523f3 in bmdma_cmd_writeb (opaque=0x16d6ff0, addr=<value optimized out>, val=1) at /usr/src/debug/qemu-kvm-0.13.0/hw/ide/pci.c:51
#9  0x0000000000429aaf in kvm_handle_io (count=1, size=<value optimized out>, direction=257, data=<value optimized out>, port=49152) at /usr/src/debug/qemu-kvm-0.13.0/kvm-all.c:760
#10 kvm_run (env=0x126cbd0) at /usr/src/debug/qemu-kvm-0.13.0/qemu-kvm.c:645
#11 0x000000000042a529 in kvm_cpu_exec (env=<value optimized out>) at /usr/src/debug/qemu-kvm-0.13.0/qemu-kvm.c:1238
#12 0x000000000042a769 in kvm_main_loop_cpu (env=0x126cbd0) at /usr/src/debug/qemu-kvm-0.13.0/qemu-kvm.c:1495
#13 ap_main_loop (_env=0x126cbd0) at /usr/src/debug/qemu-kvm-0.13.0/qemu-kvm.c:1541
#14 0x00007fd5a9566d5b in start_thread () from /lib64/libpthread-2.12.90.so
#15 0x00007fd5a5a1faad in clone () from /lib64/libc-2.12.90.so

-------------------------  same with full --------------

(gdb) bt full
#0  0x00007fd5a596f085 in raise () from /lib64/libc-2.12.90.so
No symbol table info available.
#1  0x00007fd5a5970a36 in abort () from /lib64/libc-2.12.90.so
No symbol table info available.
#2  0x00007fd5a59678c5 in __assert_fail () from /lib64/libc-2.12.90.so
No symbol table info available.
#3  0x000000000043d997 in raw_aio_writev (bs=0x124a800, sector_num=10321681, qiov=0x7fd59c034b28, nb_sectors=8, cb=0x7fd5a0b95700, opaque=0x7fd5a5a9d2d4) at block/raw.c:130
        first_buf = <value optimized out>
        first_buf_index = 0
        i = <value optimized out>
        __PRETTY_FUNCTION__ = "raw_aio_writev"
#4  0x0000000000439582 in bdrv_aio_writev (bs=0x124a800, sector_num=10321681, qiov=<value optimized out>, nb_sectors=8, cb=0x556520 <dma_bdrv_cb>, opaque=<value optimized out>) at block.c:2020
        drv = 0x862e00
        ret = <value optimized out>
#5  0x0000000000556675 in dma_bdrv_cb (opaque=0x7fd59c034ad0, ret=<value optimized out>) at /usr/src/debug/qemu-kvm-0.13.0/dma-helpers.c:120
        dbs = 0x7fd59c034ad0
        cur_addr = <value optimized out>
        cur_len = 3792
        mem = <value optimized out>
#6  0x0000000000556764 in dma_bdrv_io (bs=0x124a800, sg=0x16d6590, sector_num=10321681, cb=<value optimized out>, opaque=<value optimized out>, is_write=1)
    at /usr/src/debug/qemu-kvm-0.13.0/dma-helpers.c:167
        dbs = 0x7fd59c034ad0
#7  0x00000000005504d5 in ide_write_dma_cb (opaque=0x16d6ff0, ret=<value optimized out>) at /usr/src/debug/qemu-kvm-0.13.0/hw/ide/core.c:748
        bm = 0x16d6ff0
        s = <value optimized out>
        n = <value optimized out>
        sector_num = 10321681
#8  0x00000000005523f3 in bmdma_cmd_writeb (opaque=0x16d6ff0, addr=<value optimized out>, val=1) at /usr/src/debug/qemu-kvm-0.13.0/hw/ide/pci.c:51
        bm = 0x16d6ff0
#9  0x0000000000429aaf in kvm_handle_io (count=1, size=<value optimized out>, direction=257, data=<value optimized out>, port=49152) at /usr/src/debug/qemu-kvm-0.13.0/kvm-all.c:760
        i = <value optimized out>
        ptr = <value optimized out>
#10 kvm_run (env=0x126cbd0) at /usr/src/debug/qemu-kvm-0.13.0/qemu-kvm.c:645
        r = <value optimized out>
        kvm = 0x1236c48
        run = 0x7fd5a9b9b000
        fd = 12
#11 0x000000000042a529 in kvm_cpu_exec (env=<value optimized out>) at /usr/src/debug/qemu-kvm-0.13.0/qemu-kvm.c:1238
        r = <value optimized out>
#12 0x000000000042a769 in kvm_main_loop_cpu (env=0x126cbd0) at /usr/src/debug/qemu-kvm-0.13.0/qemu-kvm.c:1495
---Type <return> to continue, or q <return> to quit---
        run_cpu = <value optimized out>
#13 ap_main_loop (_env=0x126cbd0) at /usr/src/debug/qemu-kvm-0.13.0/qemu-kvm.c:1541
        env = 0x126cbd0
        signals = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
        data = <value optimized out>
#14 0x00007fd5a9566d5b in start_thread () from /lib64/libpthread-2.12.90.so
No symbol table info available.
#15 0x00007fd5a5a1faad in clone () from /lib64/libc-2.12.90.so
No symbol table info available.


Version-Release number of selected component (if applicable):
qemu-0.13.0-0.5.20100809git25fdf4a.fc15.x86_64

How reproducible:


Steps to Reproduce:
1. extended raw image
2. tried from virtual machine to use newly available space and format new partition
3.
  
Actual results:


Expected results:


Additional info: