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+other: 0.970
+assembly: 0.956
+instruction: 0.955
+device: 0.934
+semantic: 0.931
+graphic: 0.917
+socket: 0.911
+boot: 0.898
+mistranslation: 0.868
+network: 0.859
+vnc: 0.721
+KVM: 0.687
+
+Converting 100G VHDX fixed image to QCOW2 fails
+
+Virtual Size recognized incorrectly for VHDX fixed disk and conversion fails with error Expression: !qiov || bytes == qiov->size
+
+
+
+PS > & 'C:\Program Files\qemu\qemu-img.exe' --version
+qemu-img version 2.10.0 (v2.10.0-11669-g579e69bd5b-dirty)
+Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
+
+Command capture,
+
+PS > & 'C:\Program Files\qemu\qemu-img.exe' --version
+qemu-img version 2.10.0 (v2.10.0-11669-g579e69bd5b-dirty)
+Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
+
+PS > Get-VHD .\VM.vhdx
+ComputerName            : Server1
+Path                    : \VM.vhdx
+VhdFormat               : VHDX
+VhdType                 : Fixed
+FileSize                : 107378376704
+Size                    : 107374182400
+MinimumSize             : 107374182400
+LogicalSectorSize       : 4096
+PhysicalSectorSize      : 4096
+BlockSize               : 0
+ParentPath              :
+DiskIdentifier          : 53fd4aa7-562e-4bed-bc1c-2db71222e07e
+FragmentationPercentage : 0
+Alignment               : 1
+Attached                : False
+DiskNumber              :
+Key                     :
+IsDeleted               : False
+Number                  :
+PS > & 'C:\Program Files\qemu\qemu-img.exe' convert -O qcow2 .\VM.vhdx .\VM.qcow2
+Assertion failed!
+Program: C:\Program Files\qemu\qemu-img.exe
+File: /home/stefan/src/qemu/repo.or.cz/qemu/ar7/block/io.c, Line 1034
+Expression: !qiov || bytes == qiov->size
+PS > & 'C:\Program Files\qemu\qemu-img.exe' info .\VM.qcow2
+image: .\VM.qcow2
+file format: qcow2
+virtual size: 13G (13421772800 bytes)
+disk size: 1.4G
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: false
+    refcount bits: 16
+    corrupt: false
+
+Bug is reproducible with setting VHDX Fixed Logicalsectorsize to 4096bytes
+>10G image created reflects as 1.2G virtual size in Qemu-img
+PS F:\> new-vhd -path test.vhdx -BlockSizeBytes 134217728 -SizeBytes 10737418240 -Fixed -LogicalSectorSizeBytes 4096
+ComputerName            : XXXX
+Path                    : F:\test.vhdx
+VhdFormat               : VHDX
+VhdType                 : Fixed
+FileSize                : 10741612544
+Size                    : 10737418240
+MinimumSize             :
+LogicalSectorSize       : 4096
+PhysicalSectorSize      : 4096
+BlockSize               : 0
+ParentPath              :
+DiskIdentifier          : dfa84293-86f2-4ddf-aaff-14c04dae5df9
+FragmentationPercentage : 0
+Alignment               : 1
+Attached                : False
+DiskNumber              :
+Key                     :
+IsDeleted               : False
+Number                  :
+PS F:\> C:\temp\qemu-img\qemu-img.exe info .\test.vhdx
+image: .\test.vhdx
+file format: vhdx
+virtual size: 1.2G (1342177280 bytes)
+disk size: 10G
+cluster_size: 134217728
+
+Looking through old bug tickets... can you still reproduce this issue with the latest version of QEMU? Or could we close this ticket nowadays?
+
+
+[Expired for QEMU because there has been no activity for 60 days.]
+