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From: Rafael Rivera <1870039@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: [Bug 1870039] [NEW] windows qemu-img fails to convert vhdx, assertion failure
Date: Wed, 01 Apr 2020 07:59:22 -0000	[thread overview]
Message-ID: <158572796276.11754.15285888952629544503.malonedeb@chaenomeles.canonical.com> (raw)

Public bug reported:

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

** Affects: qemu
     Importance: Undecided
         Status: New


** Tags: qemu-img

** Description changed:

  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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https://bugs.launchpad.net/bugs/1870039

Title:
  windows qemu-img fails to convert vhdx, assertion failure

Status in QEMU:
  New

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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             reply	other threads:[~2020-04-01  8:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-01  7:59 Rafael Rivera [this message]
2021-05-06  8:02 ` [Bug 1870039] Re: windows qemu-img fails to convert vhdx, assertion failure Thomas Huth
2021-05-07  2:16 ` Rafael Rivera
2021-05-10  7:44 ` Thomas Huth

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