Ok this message is being triggered by update-grub when it calls out to
os-prober to work out if you have any alternative OSs installed. The
message is benign as the ufs mount fails as the partitions in question
are not actually in ufs format. That said it is rather scarey.
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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https://bugs.launchpad.net/bugs/1374759
Title:
>>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is
ufstype=old
Status in “linux” package in Ubuntu:
Triaged
Status in “os-prober” package in Ubuntu:
New
Bug description:
[ 556.734157] SGI XFS with ACLs, security attributes, realtime, large
block/inode numbers, no debug enabled
[ 556.746268] JFS: nTxBlock = 8192, nTxLock = 65536
[ 556.763789] ntfs: driver 2.1.30 [Flags: R/O MODULE].
[ 556.792231] QNX4 filesystem 0.2.3 registered.
[ 557.922469] EXT4-fs (sda4): unable to read superblock
[ 557.925868] EXT4-fs (sda4): unable to read superblock
[ 557.928967] EXT4-fs (sda4): unable to read superblock
[ 557.931784] FAT-fs (sda4): bogus number of reserved sectors
[ 557.931791] FAT-fs (sda4): Can't find a valid FAT filesystem
[ 557.946740] XFS (sda4): Invalid superblock magic number
[ 557.951904] FAT-fs (sda4): bogus number of reserved sectors
[ 557.951911] FAT-fs (sda4): Can't find a valid FAT filesystem
[ 557.959099] MINIX-fs: unable to read superblock
[ 557.965712] attempt to access beyond end of device
[ 557.965721] sda4: rw=16, want=3, limit=2
[ 557.965725] hfsplus: unable to find HFS+ superblock
[ 557.968487] qnx4: no qnx4 filesystem (no root dir).
[ 557.971203] You didn't specify the type of your ufs filesystem
mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep
|nextstep-cd|openstep ...
>>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is
ufstype=old
[ 557.974459] hfs: can't find a HFS filesystem on dev sda4
[ 564.034208] EXT4-fs (sda4): unable to read superblock
[ 564.040322] EXT4-fs (sda4): unable to read superblock
[ 564.043485] EXT4-fs (sda4): unable to read superblock
[ 564.047076] FAT-fs (sda4): bogus number of reserved sectors
[ 564.047083] FAT-fs (sda4): Can't find a valid FAT filesystem
[ 564.059578] XFS (sda4): Invalid superblock magic number
[ 564.064473] FAT-fs (sda4): bogus number of reserved sectors
[ 564.064489] FAT-fs (sda4): Can't find a valid FAT filesystem
[ 564.072080] MINIX-fs: unable to read superblock
[ 564.074564] attempt to access beyond end of device
[ 564.074571] sda4: rw=16, want=3, limit=2
[ 564.074576] hfsplus: unable to find HFS+ superblock
[ 564.076688] qnx4: no qnx4 filesystem (no root dir).
[ 564.078847] You didn't specify the type of your ufs filesystem
mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep
|nextstep-cd|openstep ...
>>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is
ufstype=old
[ 564.080902] hfs: can't find a HFS filesystem on dev sda4
[ 570.554296] EXT4-fs (sda4): unable to read superblock
[ 570.557647] EXT4-fs (sda4): unable to read superblock
[ 570.560516] EXT4-fs (sda4): unable to read superblock
[ 570.563451] FAT-fs (sda4): bogus number of reserved sectors
[ 570.563460] FAT-fs (sda4): Can't find a valid FAT filesystem
[ 570.574953] XFS (sda4): Invalid superblock magic number
[ 570.580796] FAT-fs (sda4): bogus number of reserved sectors
[ 570.580806] FAT-fs (sda4): Can't find a valid FAT filesystem
[ 570.588340] MINIX-fs: unable to read superblock
[ 570.590983] attempt to access beyond end of device
[ 570.590993] sda4: rw=16, want=3, limit=2
[ 570.590999] hfsplus: unable to find HFS+ superblock
[ 570.593321] qnx4: no qnx4 filesystem (no root dir).
[ 570.595556] You didn't specify the type of your ufs filesystem
mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep
|nextstep-cd|openstep ...
>>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is
ufstype=old
[ 570.597775] hfs: can't find a HFS filesystem on dev sda4
[ 576.795014] EXT4-fs (sda4): unable to read superblock
[ 576.797554] EXT4-fs (sda4): unable to read superblock
[ 576.800063] EXT4-fs (sda4): unable to read superblock
[ 576.802647] FAT-fs (sda4): bogus number of reserved sectors
[ 576.802655] FAT-fs (sda4): Can't find a valid FAT filesystem
[ 576.813305] XFS (sda4): Invalid superblock magic number
[ 576.820257] FAT-fs (sda4): bogus number of reserved sectors
[ 576.820276] FAT-fs (sda4): Can't find a valid FAT filesystem
[ 576.830945] MINIX-fs: unable to read superblock
[ 576.834108] attempt to access beyond end of device
[ 576.834119] sda4: rw=16, want=3, limit=2
[ 576.834125] hfsplus: unable to find HFS+ superblock
[ 576.837264] qnx4: no qnx4 filesystem (no root dir).
[ 576.840408] You didn't specify the type of your ufs filesystem
mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep
|nextstep-cd|openstep ...
>>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is
ufstype=old
[ 576.843535] hfs: can't find a HFS filesystem on dev sda4
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-18-generic 3.16.0-18.25
ProcVersionSignature: Ubuntu 3.16.0-18.25-generic 3.16.3
Uname: Linux 3.16.0-18-generic x86_64
ApportVersion: 2.14.7-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: caravena 2117 F.... pulseaudio
CurrentDesktop: GNOME
Date: Sat Sep 27 10:39:43 2014
HibernationDevice: RESUME=UUID=360bd2d2-4f44-4311-86d6-4781ac81ee87
InstallationDate: Installed on 2014-09-25 (2 days ago)
InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Alpha amd64
(20140923)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.16.0-18-generic
root=UUID=0fb75fae-baa3-428b-ace4-498e69ff7fb6 ro rootflags=subvol=@ quiet
splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-18-generic N/A
linux-backports-modules-3.16.0-18-generic N/A
linux-firmware 1.134
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/15/2013
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: P14AAJ
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: SAMSUNG_NP1234567890
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvrP14AAJ:bd04/15/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 530U3C/530U4C
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
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