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** Tags added: windows
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1870039
Title:
windows qemu-img fails to convert vhdx, assertion failure
Status in QEMU:
Incomplete
Bug description:
When attempting to convert Microsoft's 10X emulator image (19563) vhdx
[1], qemu-img terminates abruptly with an assertion failure. (Newer
versions of the vhdx exhibit the same issue.)
> qemu-img.exe convert flash.vhdx flash.vhd
**
ERROR:util/iov.c:335:qemu_iovec_concat_iov: assertion failed: (soffset == 0)
Bail out! ERROR:util/iov.c:335:qemu_iovec_concat_iov: assertion failed:
(soffset == 0)
Exception code=0x80000003 flags=0x0 at 0x00007FFAFDC59302
Tested with qemu-img.exe --version
qemu-img version 4.2.50 (v4.2.0-676-g3a63b24a1b-dirty)
Possibly related: 1719870
Partial Powershell cmdlet output:
PS> Get-Vhd flash.vhdx
VhdFormat : VHDX
VhdType : Dynamic
FileSize : 8365539328
Size : 137438953472
MinimumSize : 137438953472
LogicalSectorSize : 4096
PhysicalSectorSize : 4096
BlockSize : 1048576
ParentPath :
DiskIdentifier : 7BE7C459-AE5D-451A-9368-05875120F702
FragmentationPercentage : 11
Alignment : 1
Attached : False
DiskNumber :
IsPMEMCompatible : False
AddressAbstractionType : None
Number :
[1] https://1drv.ms/u/s!AnjdAnZZcu-GpNFK_-tcNAq_4Aug8w?e=5JB6s0
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