After switching from Debian stable to Debian testing i have a problem to mount my FreeBSD root partition on my system: How to mount ufs file system under Debian testing?
I find out what filesystems my Linux kernel supports through this command cat /proc/filesystems :
nodev sysfs
nodev rootfs
nodev ramfs
nodev bdev
nodev proc
nodev cpuset
nodev cgroup
nodev cgroup2
nodev tmpfs
nodev devtmpfs
nodev debugfs
nodev tracefs
nodev securityfs
nodev sockfs
nodev bpf
nodev pipefs
nodev hugetlbfs
nodev devpts
nodev pstore
nodev mqueue
ext3
ext2
ext4
nodev autofs
btrfs
By default The Linux Kernel can’t read/write on FreeBSD-ufs partition.
How to enable Unix file system (ufs) support on Linux kernel?
Update
the output of:
modprobe ufs
mount -t ufs -o ufstype=ufs2 /dev/sda4 /mnt/ufs_mount
is:
mount: /dev/sda4 is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/sda4,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so.
The output of dmesg | tail :
[ 1136.965142] ufs: ufs_fill_super(): bad magic number
[ 1255.758946] ufs: ufs_fill_super(): bad magic number
[ 2098.945757] ufs: ufs was compiled with read-only support, can't be mounted as read-write
[ 2098.946045] 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
[ 2098.967212] ufs: ufs_fill_super(): bad magic number
[ 2927.982112] perf: interrupt took too long (2504 > 2500), lowering kernel.perf_event_max_sample_rate to 79750
My sources.list:
deb http://httpredir.debian.org/debian/ stretch main
deb-src http://httpredir.debian.org/debian/ stretch main
deb http://security.debian.org/debian-security stretch/updates main
deb-src http://security.debian.org/debian-security stretch/updates main
And uname -a:
Linux debian 4.6.0-1-amd64 #1 SMP Debian 4.6.4-1 (2016-07-18) x86_64 GNU/Linux
