** Description changed: According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os- prober/+bug/1374759/comments/32 - But on my system I intended to install system root on /dev/sdb1 and noticed these warning message in my system log: + But on my system I intended to install on /dev/sdb1 and noticed these + warning message in my system log. + + Steps to reproduce: + + 1. reboot system + 2. $ sudo update-grub + then check the log again: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: 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 May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: 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 May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: 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 May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: 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 May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: 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 May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: 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 May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies: gcc-6-base 6.0.1-0ubuntu1 libc6 2.23-0ubuntu3 libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1579609 Title: [Xenial] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
