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fsck fat32 boot error or no mount
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Perfect Gentleman
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PostPosted: Fri Oct 24, 2014 6:11 am    Post subject: fsck fat32 boot error or no mount Reply with quote

got following situation:
1 - with this fstab, /boot is not mounting on boot
Code:
$ cat /etc/fstab
# <fs>                  <mountpoint>    <type>          <opts>          <dump/pass>

# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
/dev/sdd1       /       ext4    rw,noatime,commit=777,discard   0 1
#
/dev/sde1       /boot   vfat    rw,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro     0 0

2 - with that fstab. I got fsck error on boot, so next services won't start.
Code:
$ cat /etc/fstab
# <fs>                  <mountpoint>    <type>          <opts>          <dump/pass>

# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
/dev/sdd1       /       ext4    rw,noatime,commit=777,discard   0 1
#
/dev/sde1       /boot   vfat    rw,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro     0 2

vfat, codepage=437,iocharset=iso8859-1 are compiled as modules.
if compiled in kernel, would fsck error disappear? or problem is in another.
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RazielFMX
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PostPosted: Fri Oct 24, 2014 1:08 pm    Post subject: Reply with quote

You cannot have /boot or / FS as modules unless you have an initramfs. Start with compiling support into the kernel and see how it goes from there.
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NeddySeagoon
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PostPosted: Fri Oct 24, 2014 7:46 pm    Post subject: Reply with quote

RazielFMX,

/boot is OK as a module, as the kernel never reads it for itself
boot loaders have to make their own arrangements to read boot.

vfat is fragile. There should be nothing in /boot you dan't have elsewhere, except perhaps your boot loader config file.
If you feel lucky run fsck on it. It may make things worse. You could cut your losses and recreate /boot
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Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Perfect Gentleman
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PostPosted: Sat Oct 25, 2014 2:08 am    Post subject: Reply with quote

I use EFISTUB, kernel is stored on this UBS Flash which is FAT32. I got no bootloaders except efibootmgr.
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NeddySeagoon
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PostPosted: Sat Oct 25, 2014 8:41 am    Post subject: Reply with quote

Perfect Gentleman,

The solution is still the same, fsck or rebuild /boot starting off by formatting it.
The vfat filesystem on /boot is broken.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Perfect Gentleman
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PostPosted: Sat Oct 25, 2014 11:58 am    Post subject: Reply with quote

NeddySeagoon,
that's ok, it doesn't bother me much.
fsck.vfat doesn't find any non-recoverable problem, only problem with naming of non-existed file, it repairs it.
Code:
$ sudo fsck.vfat -a /dev/sde1
fsck.fat 3.0.26 (2014-03-07)
/
  Bad short file name ().
  Auto-renaming it.
  Renamed to
/dev/sde1: 4 files, 1250/1954574 clusters

$ sudo fsck.vfat -aw /dev/sde1
fsck.fat 3.0.26 (2014-03-07)
/dev/sde1: 4 files, 1250/1954574 clusters

$ sudo fsck.vfat -aw /dev/sde1
fsck.fat 3.0.26 (2014-03-07)
/
  Bad short file name ().
  Auto-renaming it.
  Renamed to
/dev/sde1: 4 files, 1250/1954574 clusters
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