https://bugzilla.kernel.org/show_bug.cgi?id=186951 Bug ID: 186951 Summary: qcow2 - filesize 8.1Petabyte Product: Virtualization Version: unspecified Kernel Version: 3.16.0-4-amd64 / 4.5.5 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: minecraft7net@xxxxxxxxxxxxxx Regression: No 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 -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html