Re: X won't start (SOLVED)

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Bill Davidsen wrote:
> I did an upgrade last night (fc13, x86) to get the security updates, and
> on the reboot X doesn't come up. I think I've seen this before, but can
> someone jog my memory what it messed up? And thoughts as to why would be
> appreciated as well, of course.
>
> end of messages: http://rd.and.net/SJhX3LWZ6
>
Maybe I should call this one FIXED, because I am not sure how it got broken. 
After the upgrade my root filesystem was very low on space. Rather than play 
with sizes (not on LVM) I decided to move the two GB of /usr/share to another 
partition and mount that.

What I did:
- defined another partition on sdb
- created a filesystem on it
- mounted the new filesystem on /mnt/tmp
- copied /usr/share to /mnt/tmp (yes with -r)
- checked that the directories were the same
- dropped to single user mode
- removed (rm /usr/share/*) all the old content
- umounted the new filesystem
- remounted the new filesystem on /usr/share
- got the new filesystem UUID and put in /etc/fstab
- rebooted and got no video

Having tried everything else, I used restorecon to restore the labels on the 
/usr/share filesystem. Rebooted and got video.

I am reasonably sure I used "cp -ra" to copy the files, and if I didn't I would 
have used rsync with the "a" option which also should copy all the label 
information.

The clue was an sealert saying that the access was blocked to /usr/share/locale, 
and I didn't hit on it right away because without X the warning didn't pop up, 
it wasn't until I thought of selinux blocking some trojan in the update that I 
checked. No trojan, just a failure in the copy.

I'm unable to produce a failure in either cp or rsync, so I will assume either 
my typo or this keyboard which has been known to drop a character now and again.

Thanks to the two people who contributed some good thoughts on possible causes, 
they both proposed workarounds for other possible causes of a problem of this type.

-- 
Bill Davidsen <davidsen@xxxxxxx>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot
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