当我将内核升级到当前版本 3.19.0-22-generic 时，我收到以下消息：
Jul 7 13:18:49 ubuntu kernel: [ 717.001387]
Jul 7 13:18:49 ubuntu kernel: [ 717.001387] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
Jul 7 13:18:49 ubuntu kernel: [ 717.027764] hfs: can't find a HFS filesystem on dev sda2
Jul 7 13:19:19 ubuntu kernel: [ 747.188810] EXT4-fs (sda2): unable to read superblock
Jul 7 13:19:19 ubuntu kernel: [ 747.196740] EXT4-fs (sda2): unable to read superblock
Jul 7 13:19:19 ubuntu kernel: [ 747.205084] EXT4-fs (sda2): unable to read superblock
Jul 7 13:19:19 ubuntu kernel: [ 747.213526] FAT-fs (sda2): bogus number of reserved sectors
Jul 7 13:19:19 ubuntu kernel: [ 747.216658] FAT-fs (sda2): Can't find a valid FAT filesystem
Jul 7 13:19:19 ubuntu kernel: [ 747.231108] XFS (sda2): Invalid superblock magic number
Jul 7 13:19:19 ubuntu kernel: [ 747.245854] FAT-fs (sda2): bogus number of reserved sectors
Jul 7 13:19:19 ubuntu kernel: [ 747.250659] FAT-fs (sda2): Can't find a valid FAT filesystem
Jul 7 13:19:19 ubuntu kernel: [ 747.269955] MINIX-fs: unable to read superblock
Jul 7 13:19:19 ubuntu kernel: [ 747.276130] attempt to access beyond end of device
Jul 7 13:19:19 ubuntu kernel: [ 747.276150] sda2: rw=16, want=3, limit=2
Jul 7 13:19:19 ubuntu kernel: [ 747.276161] hfsplus: unable to find HFS+ superblock
Jul 7 13:19:19 ubuntu kernel: [ 747.281655] qnx4: no qnx4 filesystem (no root dir).
Jul 7 13:19:19 ubuntu kernel: [ 747.289335] ufs: You didn't specify the type of your ufs filesystem
Jul 7 13:19:19 ubuntu kernel: [ 747.289335]
Jul 7 13:19:19 ubuntu kernel: [ 747.289335] mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd
这里有没有人之前偶然发现过类似的消息？如果您能分享如何消除它的解决方案，我们将不胜感激。如果有帮助的话，这是我从 fdisk -l 输出的
Disk /dev/sda: 223.6 GiB, 240057409536 bytes, 468862128 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x142c3bc8
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 461301759 461299712 220G 83 Linux
/dev/sda2 461303806 468860927 7557122 3.6G 5 Extended
/dev/sda5 461303808 468860927 7557120 3.6G 82 Linux swap / Solaris
和 df -T （根据要求）
Filesystem Type 1K-blocks Used Available Use% Mounted on
udev devtmpfs 1816944 0 1816944 0% /dev
tmpfs tmpfs 365632 5420 360212 2% /run
/dev/sda1 ext4 226899324 67144904 148205544 32% /
tmpfs tmpfs 1828140 0 1828140 0% /dev/shm
tmpfs tmpfs 5120 4 5116 1% /run/lock
tmpfs tmpfs 1828140 0 1828140 0% /sys/fs/cgroup
tmpfs tmpfs 365632 4 365628 1% /run/user/1000
提前致谢！