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colag
n00b
Joined: 26 Sep 2009
Posts: 63
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 Posted: Fri Jun 29, 2012 2:14 am Post subject: Can't mount ext2 or ext3 during boot, why? |
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It's booting kernel 3.4.1 but at the top i see there is a message something like this "Can't mount ex2 ext3 filesystem" . Why is this error?
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Jun 29 localhost kernel: [ 1.400279] EXT3-fs (sdb8): error: couldn't mount because of unsupported optional features (240)
Jun 29 localhost kernel: [ 1.405200] EXT2-fs (sdb8): error: couldn't mount because of unsupported optional features (240)
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grub.cfg
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menuentry 'Gentoo' {
insmod part_msdos
insmod ext2
set root='(hd1,msdos8)'
search --no-floppy --fs-uuid --set 2f0c3cc8-c08a-4baf-a070-e308211aced3
linux /boot/vmlinuz-3.4.1 root=/dev/sdb8 ro quiet
}
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BillWho
Veteran
Joined: 03 Mar 2012
Posts: 1576
Location: US
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| Posted: Fri Jun 29, 2012 4:31 am Post subject: |
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colag,
It's possible that whatever you used to create/format the partitions added features that are not supported.
What do you get for your partitions with debugfs -R feature /dev/xxx ?
These are my features for an ext3 partition
| Code: | debugfs 1.42.4 (12-June-2012)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_file
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for ext4
| Code: | debugfs 1.42.4 (12-June-2012)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
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and for ext2
| Code: | debugfs 1.42.4 (12-June-2012)
Filesystem features: ext_attr resize_inode dir_index filetype sparse_super
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Good luck 
Since installing gentoo, my life has become one long emerge  |
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colag
n00b
Joined: 26 Sep 2009
Posts: 63
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| Posted: Fri Jun 29, 2012 8:49 am Post subject: |
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| BillWho wrote: | colag,
It's possible that whatever you used to create/format the partitions added features that are not supported.
What do you get for your partitions with debugfs -R feature /dev/xxx ?
These are my features for an ext3 partition
| Code: | debugfs 1.42.4 (12-June-2012)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_file
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for ext4
| Code: | debugfs 1.42.4 (12-June-2012)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
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and for ext2
| Code: | debugfs 1.42.4 (12-June-2012)
Filesystem features: ext_attr resize_inode dir_index filetype sparse_super
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I have used systemrescuecd(gparted) to format it as ext4.
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debugfs -R feature /dev/sdb8
debugfs 1.41.12 (17-May-2010)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file uninit_bg
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Last edited by colag on Fri Jun 29, 2012 9:49 am; edited 1 time in total |
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aCOSwt
Advocate
Joined: 19 Oct 2007
Posts: 2036
Location: Between the keyboard and the chair
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BillWho
Veteran
Joined: 03 Mar 2012
Posts: 1576
Location: US
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| Posted: Fri Jun 29, 2012 2:07 pm Post subject: |
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colag,
I used a linux mint cd to install gentoo and I also used gparted although I don't experience those messages.
It's possible that they'll abate as you traverse up the kernel ladder. I'm currently running 3.5-rc4.
The messages are placed there as a reference just in case it couldn't boot. Since you're up and running everything is fine
Good luck
_________________
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Since installing gentoo, my life has become one long emerge |
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john-doe
Tux's lil' helper
Joined: 15 May 2012
Posts: 123
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| Posted: Fri Jun 29, 2012 2:24 pm Post subject: |
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| BillWho wrote: | | linux mint |
good taste dude! |
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BillWho
Veteran
Joined: 03 Mar 2012
Posts: 1576
Location: US
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| Posted: Fri Jun 29, 2012 3:39 pm Post subject: |
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| john-doe wrote: | | BillWho wrote: | | linux mint |
good taste dude! |
To be more precise it was linux mint debian edition (lmde). I don't know if this impacts my 'good taste' or not, but thanks 
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Since installing gentoo, my life has become one long emerge |
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