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[Qemu-devel] [Bug 1639225] Re: qcow2 - filesize 8.1Petabyte
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [Bug 1639225] Re: qcow2 - filesize 8.1Petabyte |
Date: |
Fri, 04 Nov 2016 13:16:28 -0000 |
Seems like you are using the QEMU from your Linux distribution
(Debian?). If you want to have support for that version, you should use
the bug tracker from your distro instead. Otherwise, can you please try
again with the latest version from http://wiki.qemu-project.org/Download
to see whether the bug is already fixed there? Thanks!
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1639225
Title:
qcow2 - filesize 8.1Petabyte
Status in QEMU:
Incomplete
Bug description:
problem :
Filesystem Size Used Avail Use%
Mounted on
/dev/sdd1 120G 63G 57G 53%
/storage/kvmstorage4ssd
# pwd
/storage/kvmstorage4ssd/images
# qemu-img info vsys19_ssd1.qcow2
image: vsys19_ssd1.qcow2
file format: qcow2
virtual size: 20G (21474836480 bytes)
disk size: 11G
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: true
# ls -lah vsys19_*
-rw------- 1 root root 8.1P Nov 4 13:16 vsys19_ssd1.qcow2
# ls -la vsys19_*
-rw------- 1 root root 9007203702079488 Nov 4 13:16 vsys19_ssd1.qcow2
# qemu-img check vsys19_ssd1.qcow2
qemu-img: Check failed: File too large
# xfs_repair /dev/sdd1
Phase 1 - find and verify superblock...
Phase 2 - using internal log
- zero log...
- scan filesystem freespace and inode maps...
- found root inode chunk
Phase 3 - for each AG...
- scan and clear agi unlinked lists...
- process known inodes and perform inode discovery...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
- process newly discovered inodes...
Phase 4 - check for duplicate blocks...
- setting up duplicate extent list...
- check for inodes claiming duplicate blocks...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
Phase 5 - rebuild AG headers and trees...
- reset superblock...
Phase 6 - check inode connectivity...
- resetting contents of realtime bitmap and summary inodes
- traversing filesystem ...
- traversal finished ...
- moving disconnected inodes to lost+found ...
Phase 7 - verify and correct link counts...
done
# pwd
/storage/kvmstorage4ssd/images
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/storage/kvmstorage4ssd/images/vsys19_ssd1.qcow2'/>
<target dev='vdn' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0f'
function='0x0'/>
</disk>
guest OS:
# uname -a
Linux vsys19 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1 (2015-05-24) x86_64
GNU/Linux
cat /etc/debian_version
stretch/sid
Nov 4 01:23:26 vsys19 kernel: [7654313.024844] end_request: I/O error, dev
vdk, sector 8691272
Nov 4 01:23:26 vsys19 kernel: [7654313.025328] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 s
tarting block 1085897)
Nov 4 01:23:26 vsys19 kernel: [7654313.025334] Buffer I/O error on device
dm-1, logical block 1085897
Nov 4 01:23:26 vsys19 kernel: [7654313.025488] Buffer I/O error on device
dm-1, logical block 1085898
Nov 4 01:23:26 vsys19 kernel: [7654313.025632] Buffer I/O error on device
dm-1, logical block 1085899
Nov 4 01:23:26 vsys19 kernel: [7654313.025776] Buffer I/O error on device
dm-1, logical block 1085900
Nov 4 01:23:26 vsys19 kernel: [7654313.025920] Buffer I/O error on device
dm-1, logical block 1085901
Nov 4 01:23:26 vsys19 kernel: [7654313.026064] Buffer I/O error on device
dm-1, logical block 1085902
Nov 4 01:23:26 vsys19 kernel: [7654313.026207] Buffer I/O error on device
dm-1, logical block 1085903
Nov 4 01:23:26 vsys19 kernel: [7654313.026350] Buffer I/O error on device
dm-1, logical block 1085904
Nov 4 01:23:26 vsys19 kernel: [7654313.026500] Buffer I/O error on device
dm-1, logical block 1085905
Nov 4 01:23:26 vsys19 kernel: [7654313.028837] Buffer I/O error on device
dm-1, logical block 1085906
Nov 4 01:23:26 vsys19 kernel: [7654313.031122] end_request: I/O error, dev
vdk, sector 8692280
Nov 4 01:23:26 vsys19 kernel: [7654313.031325] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 starting block 1086023)
Nov 4 01:23:26 vsys19 kernel: [7654313.031388] end_request: I/O error, dev
vdk, sector 8693288
Nov 4 01:23:26 vsys19 kernel: [7654313.031527] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 starting block 1086149)
Nov 4 01:23:26 vsys19 kernel: [7654313.031598] end_request: I/O error, dev
vdk, sector 8694296
Nov 4 01:23:26 vsys19 kernel: [7654313.031736] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 starting block 1086275)
Nov 4 01:23:26 vsys19 kernel: [7654313.031798] end_request: I/O error, dev
vdk, sector 8695304
Nov 4 01:23:26 vsys19 kernel: [7654313.031933] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 starting block 1086401)
KVM host :
# cat /etc/debian_version
stretch/sid
Debian
# uname -a
Linux asus1 4.5.5-custom #1 SMP Sun May 22 21:14:57 CEST 2016 x86_64 GNU/Linux
# dpkg -l | grep -i qemu
ii ipxe-qemu 1.0.0+git-20150424.a25a16d-1 all
PXE boot firmware - ROM images for qemu
ii qemu 1:2.5+dfsg-5+b1
amd64 fast processor emulator
ii qemu-kvm 1:2.5+dfsg-5+b1
amd64 QEMU Full virtualization on x86 hardware
ii qemu-slof 20151103+dfsg-2 all
Slimline Open Firmware -- QEMU PowerPC version
ii qemu-system 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries
ii qemu-system-arm 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (arm)
ii qemu-system-common 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (common files)
ii qemu-system-mips 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (mips)
ii qemu-system-misc 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (miscelaneous)
ii qemu-system-ppc 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (ppc)
ii qemu-system-sparc 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (sparc)
ii qemu-system-x86 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (x86)
ii qemu-user 1:2.5+dfsg-5+b1
amd64 QEMU user mode emulation binaries
ii qemu-user-binfmt 1:2.5+dfsg-5+b1
amd64 QEMU user mode binfmt registration for qemu-user
ii qemu-utils 1:2.5+dfsg-5+b1
amd64 QEMU utilities
ii qemubuilder 0.80
amd64 pbuilder using QEMU as backend
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