From: Sam Vilain (sam_at_vilain.net)
Date: Tue 09 Dec 2003 - 00:06:21 GMT

• Previous message: Roderick A. Anderson: "Re: [Vserver] unify-dirs buglet?"
• In reply to: Roderick A. Anderson: "Re: [Vserver] unify-dirs buglet?"

On Tue, 09 Dec 2003 11:28, Roderick A. Anderson wrote;

> {/vservers.new}# unify-dirs -d ref tc
> unify-dirs: Unifying: ref tc
> unify-dirs: Processing ref...
> unify-dirs: Readdir OK
> unify-dirs: Processing tc...
> unify-dirs: Readdir OK
> unify-dirs: Processing ref/sbin...
> unify-dirs: Readdir OK
> unify-dirs: Processing tc/sbin...
> unify-dirs: Readdir OK
> unify-dirs: COMPARE: tc/sbin/install-info vs ref/sbin/install-info
> unify-dirs: digesting tc/sbin/install-info
> Error digesting tc/sbin/install-info; Input/output error at
> /root/bin/unify-dirs line 287.

Input/output error means that the OS returned EIO when a file was
read. As compared with EPERM (Permission Denied), this typically
means there was a hard error on the disk, or a bug in the VFS layer or
filesystem ( you're not running reiserfs perchance are you? ;) ).
This may manifest itself as a segfault if it was in the VFS layer. If
it's completely random, it might even mean that you have faulty RAM!

Does:

 cat tc/sbin/install-info ref/sbin/install-info >/dev/null

Work?

If not, then you have a more serious problem. I'd look at the output
of `dmesg' to look for the IDE or SCSI layers complaining, or
otherwise take the system down to single and fsck the partition.

If it *does* work, but `unify-dirs' doesn't, then there is something
wierder going on - in which case, mail me /tmp/trace (off-list) from:

   strace -fae -o /tmp/trace unify-dirs -d ref tc

-- 
Sam Vilain, sam_at_vilain.net
  The pursuit of truth and beauty is a sphere of activity in which we
  are permitted to remain children all our lives.
ALBERT EINSTEIN
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• Previous message: Roderick A. Anderson: "Re: [Vserver] unify-dirs buglet?"
• In reply to: Roderick A. Anderson: "Re: [Vserver] unify-dirs buglet?"