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[Bug 1819182] Re: info does not recognize file format of vpc with subfor
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From: |
Scott Moser |
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Subject: |
[Bug 1819182] Re: info does not recognize file format of vpc with subformat=fixed |
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Date: |
Tue, 20 Apr 2021 14:40:04 -0000 |
@Thomas,
Is there really no way to detect the format other than relying on
extension? :-(
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https://bugs.launchpad.net/bugs/1819182
Title:
info does not recognize file format of vpc with subformat=fixed
Status in QEMU:
Confirmed
Bug description:
After creating or converting an image to vpc with 'subformat=fixed'
'qemu-img info' incorrectly identifies the image as 'raw' format.
$ qemu-img --version
qemu-img version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.10)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
$ qemu-img create -f vpc -o subformat=fixed my.vpc 2G
Formatting 'my.vpc', fmt=vpc size=2147483648 subformat=fixed
$ qemu-img info my.vpc
image: my.vpc
file format: raw
virtual size: 2.0G (2147992064 bytes)
disk size: 4.0K
$ qemu-img info -f vpc my.vpc
image: my.vpc
file format: vpc
virtual size: 2.0G (2147991552 bytes)
disk size: 4.0K
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