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List Archive: gentoo-ppc-user
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To: gentoo-ppc-user@g.o
From: Mark Knecht <markknecht@...>
Subject: Re: yaboot has kicked my butt - 5 times?!
Date: Wed, 22 Sep 2010 20:33:46 -0700
On Wed, Sep 22, 2010 at 6:33 PM, Joseph Jezak <josejx@g.o> wrote:
>  On 09/22/10 18:59, Mark Knecht wrote:
>> Hi,
>>   OK, I'm dead tired. I admit it - yaboot has kicked my butt this
>> time around. Can anyone help? I did post this problem here 2-3 weeks
>> ago but still haven't been able to solve the problem so I'm back to
>> the well for another drink.
>>
>>   The machine is the original 80GB PPC Mac Mini. I used to run Gentoo
>> on it and it ran great for years so I know at one time yaboot worked
>> just fine. For various reasons I hadn't updated it in a long, long
>> time (2 years) and instead of trying to go through the Gentoo update
>> process which is difficult after that much time I decided to just do a
>> new install. I saved copies of my kernel config and etc/make.conf but
>> unfortunately, being primarily an x86 guy didn't think to save
>> yaboot.conf and fstab. I've now done 5 complete Gentoo installs,
>> starting over from scratch in case something I was doing was messing
>> things up but so far I cannot get the machine to boot. Every time, no
>> matter what I do at install time, I get a message
>>
>> "Can't check if filesystem is mounted due to a missing mtab file"
>>
>> A somewhat out of focus screen shot is shown here:
>>
>> http://www.flickr.com/photos/29328985@N03/5014227831
>>
>> Generally speaking I'm following the Gentoo PPC install guide located here:
>>
>> http://www.gentoo.org/doc/en/handbook/handbook-ppc.xml?part=1&chap=10
<SNIP>

> After looking at the screen shot, I think I have a different idea as to
> why it might be failing and I don't think it's Yaboot.  If you've gotten
> to init, yaboot's job is already done.
>
> Can you boot the install CD and chroot into the install again? When you
> get it up and running, check to see if fsck.ext3 exists. Even if it
> does, re-emerge e2fsprogs and see if that helps.
> -Joe

Very interesting. OK - I'm in the chroot now and reinstalling
e2fsprogs as you suggest. I'll reboot in a minute and check if it
helped. (OK - I rebooted and it didn't fix anything unfortunately. Too
bad. Thanks for the idea though.)

I was wondering if this was one of those things where device names
were changing. They were hda all through the install, which is
different from the Install Guide. I've tried to adjust my yaboot.conf
file accordingly but maybe it cannot find the disk at that point
because the name changed or something. I cannot see anything in the
boot screen to indicate that but I suppose it's possible.

While I'm here in the chroot I decided to poke around a bit. Note that
section 9d of the install guide says that e2fsprogs is already
installed as part of the system and indeed it appears to be as shown
below. However I note that I cannot run updatedb for slocate without
also getting a message about /etc/mtab not existing. Should mtab exist
withing the chroot?

(chroot) livecd / # emerge -pv e2fsprogs

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   ] sys-fs/e2fsprogs-1.41.11  USE="nls" 4,368 kB

Total: 1 package (1 reinstall), Size of downloads: 4,368 kB
(chroot) livecd / # slocate fsck.*
slocate: fatal error: Could not find user database
'/var/lib/slocate/slocate.db':  No such file or directory
(chroot) livecd / # updatedb
updatedb: fatal error: load_file: Could not open file: /etc/mtab: No
such file or directory
updatedb: fatal error: parse_fs_exclude: Could not load file data: /etc/mtab
^C
(chroot) livecd / #


Indeed, on a different system /etc/mtab exists:

gandalf ~ # cat /etc/mtab
/dev/sda3 / ext3 rw,noatime,commit=0 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
udev /dev tmpfs rw,nosuid,relatime,size=10240k,mode=755 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620 0 0
/dev/sda5 /home/herb ext3 rw,noatime,commit=0 0 0
shm /dev/shm tmpfs rw,noexec,nosuid,nodev 0 0
none /proc/fs/vmblock/mountPoint vmblock rw 0 0
gandalf ~ #

However on my MacMini it simply doesn't exist:

(chroot) livecd / # ls -la /etc/mtab
ls: cannot access /etc/mtab: No such file or directory
(chroot) livecd / #

So the question is what provides mtab? Have I missed some step in the
install process 5 times? Man, that would be embarrassing but I'd
gladly suffer the shame if I got the machine working! ;-)

Thanks for your help. Still looking.

Cheers,
Mark


Replies:
Re: yaboot has kicked my butt - 5 times?!
-- Joseph Jezak
Re: yaboot has kicked my butt - 5 times?!
-- kahl
References:
yaboot has kicked my butt - 5 times?!
-- Mark Knecht
Re: yaboot has kicked my butt - 5 times?!
-- Joseph Jezak
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