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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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 Posted: Mon Jul 11, 2005 9:36 pm Post subject: mount outputting nonsense. |
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I have a ~x86 system on a chroot
when I try listing any of the mount points I get an empty dir and when I try df they all seem to be somehow clones of the root mount device.
What's going on here?
| Quote: | bash-3.00#df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hda10 7785064 1894436 5890628 25% /
proc 7785064 1894436 5890628 25% /proc
sysfs 7785064 1894436 5890628 25% /sys
udev 7785064 1894436 5890628 25% /dev
devpts 7785064 1894436 5890628 25% /dev/pts
/dev/hda11 7785064 1894436 5890628 25% /wine
/dev/hda14 7785064 1894436 5890628 25% /iso
/dev/hda15 7785064 1894436 5890628 25% /tmpd
/dev/hda16 7785064 1894436 5890628 25% /rar
/dev/hda6 5113708 4246176 867532 84% /usr/portage
none 7785064 1894436 5890628 25% /dev/shm
df: `/proc/bus/usb': No such file or directory
/dev/hda3 7785064 1894436 5890628 25% /boot
/dev/hda5 7785064 1894436 5890628 25% /newsys
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TIA Gentree.
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Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54815
Location: 56N 3W
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| Posted: Mon Jul 11, 2005 9:54 pm Post subject: |
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Gentree,
What does the partition table say?
and /etc/fstab ?
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Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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Headrush
Watchman
Joined: 06 Nov 2003
Posts: 5597
Location: Bizarro World
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| Posted: Mon Jul 11, 2005 10:06 pm Post subject: |
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| Did you bind the mount points into the chroot environment? |
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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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| Posted: Mon Jul 11, 2005 10:07 pm Post subject: |
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| Code: | bash-3.00#fdisk -lu /dev/hda
Disk /dev/hda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 63 4192964 2096451 7 HPFS/NTFS
/dev/hda2 4192965 9622934 2714985 b W95 FAT32
/dev/hda3 9622935 9735389 56227+ 83 Linux
/dev/hda4 9735390 234436544 112350577+ f W95 Ext'd (LBA)
/dev/hda5 9735516 26105624 8185054+ 83 Linux
/dev/hda6 26105688 36869174 5381743+ 83 Linux
/dev/hda7 36869238 49158899 6144831 83 Linux
/dev/hda8 49158963 62059094 6450066 83 Linux
/dev/hda9 62059158 63071189 506016 83 Linux
/dev/hda10 63071253 79457489 8193118+ 83 Linux
/dev/hda11 79457553 90108584 5325516 83 Linux
/dev/hda12 90108648 106494884 8193118+ 83 Linux
/dev/hda13 106494948 118784609 6144831 83 Linux
/dev/hda14 118784673 139267484 10241406 83 Linux
/dev/hda15 139267548 147460634 4096543+ 83 Linux
/dev/hda16 147460698 156296384 4417843+ 83 Linux
/dev/hda17 156296448 163846934 3775243+ 7 HPFS/NTFS
/dev/hda18 163846998 176120594 6136798+ 83 Linux
/dev/hda19 176120658 196587404 10233373+ 83 Linux
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and
| Code: | # /etc/fstab: static file system information.
# $Header: /home/cvsroot/gentoo-src/rc-scripts/etc/fstab,v 1.14 2003/10/13 20:03:38 azarah Exp $
#
# noatime turns off atimes for increased performance (atimes normally aren't
# needed; notail increases performance of ReiserFS (at the expense of storage
# efficiency). It's safe to drop the noatime options if you want and to
# switch between notail and tail freely.
# <fs> <mountpoint> <type> <opts> <dump/pass>
/dev/hda10 / reiser4 noatime 0 0
#hdc13:
/dev/hda5 /newsys reiserfs noatime,notail 0 1
#hdc15:
/dev/hda7 /broken-e3 ext3 noauto 0 1
/dev/hda8 /suse reiserfs notail 0 0
/dev/sda1 /voldport reiser4 noauto,noatime 0 0
/dev/hda3 /boot ext3 noatime 0 2
#/dev/hdc3 /boot ext3 noatime 0 2
#hdc12:
/dev/hda9 none swap sw 0 0
#hdc10,5,6,7.8.9
/dev/hda11 /wine ext3 defaults 0 0
#/dev/hda12 /home ext3 defaults 0 0
/dev/hda13 /cdimg ext3 noauto 0 0
/dev/hda14 /iso reiserfs noatime 0 0
/dev/hda15 /tmpd reiser4 noatime 0 0
/dev/hda16 /rar ext3 defaults 0 0
## end of clonage ##
#/dev/hda17 /ubu ext3 defaults 0 0
/dev/hda17 /win_G vfat noauto,noatime,user 0 0
/dev/hda18 /dvclone reiserfs notail 0 0
#hdc14:
/dev/hda6 /usr/portage reiser4 noatime 0 0
#/dev/hda6 /devsys/usr/portage reiser4 noatime,noauto 0 0
#/usr/portage /devsys/usr/portage auto defaults,bind 0 0
/dev/hda1 /win_C ntfs noauto,noatime,ro,user,umask=000 0 0
/dev/hda1 /win_capt captive-ntfs noauto,noatime,ro,user,umask=0777 0 0
/dev/hda2 /win_D vfat noauto,user,umask=000 0 0
#user accessible mounts
/dev/cdrom /mnt/cdrom iso9660 noauto,ro,user,unhide 0 0
/dev/cdrom1 /mnt/cdrom1 iso9660 noauto,ro,user,unhide 0 0
[ line 1/66 (1%), col 1/46 (2%), char 0/3071
/dev/dvd /mnt/dvd iso9660 noauto,noatime,user 0 0
/dev/fd0 /mnt/floppy vfat noauto,noatime,user,shortname=winnt 0 0
/dev/fd0 /mnt/fd msdos noauto,noatime,user 0 0
/dev/camera /mnt/fuji vfat ro,noauto,user,shortname=winnt 0 0
#for usb key:
/dev/sda1 /mnt/usb vfat user,noauto,user,shortname=winnt 0 0
# NOTE: The next line is critical for boot!
none /proc proc defaults 0 0
# glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for
# POSIX shared memory (shm_open, shm_unlink).
# (tmpfs is a dynamically expandable/shrinkable ramdisk, and will
# use almost no memory if not populated with files)
# Adding the following line to /etc/fstab should take care of this:
none /dev/shm tmpfs defaults 0 0
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Basically the same as the main system with /devsys swapped for / and a few commented out partitions.
Make sense?
Thx 
_________________
Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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| Posted: Mon Jul 11, 2005 10:34 pm Post subject: |
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| Headrush wrote: | | Did you bind the mount points into the chroot environment? |
Only the one that works 
| Code: |
/dev/hda6 5113708 4645448 468260 91% /usr/portage |
That's presumably the problem but any chance you could explain the chrooted /etc/fstab does not take care of it?
Thanks.
_________________
Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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Headrush
Watchman
Joined: 06 Nov 2003
Posts: 5597
Location: Bizarro World
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| Posted: Tue Jul 12, 2005 1:14 am Post subject: |
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| Gentree wrote: | | That's presumably the problem but any chance you could explain the chrooted /etc/fstab does not take care of it? |
My guess is that the df command uses /etc/fstab or /etc/mtab to see what mount points exists.
It then uses that to determine which filesystem to lookup. Since they aren't mounted in your chroot, it repeats the value of /. |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54815
Location: 56N 3W
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| Posted: Tue Jul 12, 2005 3:53 pm Post subject: |
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Gentree,
Is mounting the same filesystem in two places intentional?
| Code: | /dev/hda1 /win_C ntfs noauto,noatime,ro,user,umask=000 0 0
/dev/hda1 /win_capt captive-ntfs noauto,noatime,ro,user,umask=0777 0 0 |
Its not wrong but often the path to madness.
df shows the content of /etc/mtab which during an install is missing in the chroot and the command fails.
If its OK when you do the df from outside the chroot, its probably a 'feature'.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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