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pavelara
n00b
Joined: 31 Jan 2010
Posts: 3
Location: Russian Federation
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 Posted: Sun Jan 31, 2010 3:00 pm Post subject: df: cannot read table of mounted filesystems |
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I'm installing gentoo following the instructions in the handbook. After chrooting the output of the df command is
| Code: | | df: cannot read table of mounted filesystems: No such file or directory |
This doesn't cause any troubles when I compile the kernel and so on, but at the end of the installation grub fails to install and displays the same output:
| Code: | | df: cannot read table of mounted filesystems: No such file or directory |
As consequence, I can't boot my gentoo system. This happens on my desktop PC. The same on vmware. It's necessary to add that I successfully installed Gentoo several times. The fact is that I don't remember what version of stage 3 tarball I used then. Now I'm using the installation CD ant the stage 3 tarball of 20100126.
Any ideas? thx |
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Mike Hunt
Watchman
Joined: 19 Jul 2009
Posts: 5287
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| Posted: Sun Jan 31, 2010 3:36 pm Post subject: |
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Maybe you forgot to mount /proc before chrooting ? | Code: | livecd / # mount -t proc proc /mnt/gentoo/proc
livecd / # mount -o bind /dev /mnt/gentoo/dev
livecd / # cp -L /etc/resolv.conf /mnt/gentoo/etc/
livecd / # chroot /mnt/gentoo /bin/bash
livecd / # env-update && source /etc/profile
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It is possible that the installCD you are using is defective.
The SystemRescueCd will also work. |
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pavelara
n00b
Joined: 31 Jan 2010
Posts: 3
Location: Russian Federation
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| Posted: Sun Jan 31, 2010 4:01 pm Post subject: |
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| Mike Hunt wrote: | Maybe you forgot to mount /proc before chrooting ? | Code: | livecd / # mount -t proc proc /mnt/gentoo/proc
livecd / # mount -o bind /dev /mnt/gentoo/dev
livecd / # cp -L /etc/resolv.conf /mnt/gentoo/etc/
livecd / # chroot /mnt/gentoo /bin/bash
livecd / # env-update && source /etc/profile
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I did exactly like you described.
| Quote: | It is possible that the installCD you are using is defective.
The SystemRescueCd will also work. |
I doubt it, I'm using an ISO image mounted at vmware. md5 checksum is correct. But I'll try the CD that you advised.
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Chance favours the prepared mind |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54508
Location: 56N 3W
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| Posted: Sun Jan 31, 2010 4:05 pm Post subject: |
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pavelara,
Welcome to Gentoo.
| Code: | | df: cannot read table of mounted filesystems: No such file or directory |
Is correct inside the chroot.
The command tries to read /etc/mtab, which is updated by mount as filesystems are mounted and unmounted, but its outside the chroot.
/proc/mounts contains the same information, so you can copy /proc/mounts to /etc/mtab then df works
If you install grub manually - not using grub install, then /etc/mtab is not consulted.
The manual install is documented in the handbook
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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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pavelara
n00b
Joined: 31 Jan 2010
Posts: 3
Location: Russian Federation
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| Posted: Sun Jan 31, 2010 5:57 pm Post subject: |
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NeddySeagoon, thank you very much, it helped:
| Code: | | # grep -v rootfs /proc/mounts > /etc/mtab |
Then I installed grub without any problems.
And excuse me, I could have read the handbook with more attention. 
_________________
Chance favours the prepared mind |
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Mike Hunt
Watchman
Joined: 19 Jul 2009
Posts: 5287
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| Posted: Sun Jan 31, 2010 6:42 pm Post subject: |
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| That's a good one to remember. |
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Maffblaster
Developer
Joined: 01 May 2007
Posts: 70
Location: Spokane, Washington, USA
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krinn
Watchman
Joined: 02 May 2003
Posts: 7470
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| Posted: Thu Mar 03, 2016 8:08 am Post subject: |
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It's not like openrc isn't telling you about it. https://560060.bugs.gentoo.org/attachment.cgi?id=414008
Make sure you also have set the use flag "libmount" with nfs-utils and update it with it or you'll be in trouble with nfs share.
With libmount nfs-utils will copy (to /run/mount) needed infos that are missing in /proc/self/mounts to handle user (remounting will fail, user will not be able to unmount...).
Everyone suggest to symlink with /proc/self/mounts, /proc/mounts is another symlink to it if you check it. |
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Installing Gentoo
