[mythtv-users] Permission denied to ls for root?

Ryan Steffes rbsteffes at gmail.com
Mon Jul 17 00:49:04 UTC 2006


On 7/16/06, Hans Reiser <reiser at namesys.com> wrote:
>
> Ryan Steffes wrote:
>
> >
> >
> > On 7/14/06, *Michael T. Dean* <mtdean at thirdcontact.com
> > <mailto:mtdean at thirdcontact.com>> wrote:
> >
> >     On 07/14/2006 09:31 PM, Carl Fongheiser wrote:
> >     > On 7/14/06, *Ryan Steffes* <rbsteffes at gmail.com
> >     <mailto:rbsteffes at gmail.com>
> >     > <mailto:rbsteffes at gmail.com <mailto:rbsteffes at gmail.com>>> wrote:
> >     >
> >     >     I've never seen ls do this before, at least, not for
> root.  Any
> >     >     idea what could cause it?
> >     >
> >     >     # ls
> >     >     ls: 1036_20060417230000_20060417233000.nuv.png: Permission
> >     denied
> >     >     ls: 1056_20060610130000.mpg: Permission denied
> >     >     ls: 1006_20050920213000_20050920220000.nuv.png: Permission
> >     denied
> >     >     ls: 1013_20060420201900_20060420203000.nuv: Permission denied
> >     >     ls: 1003_20060419220000_20060419230000.nuv.png: Permission
> >     denied
> >     >
> >     >     Can't delete em, look at em, touch em, chmod em, or chown
> >     em, even
> >     >     as root.  It's odd.
> >     >
> >     >
> >     > Are these files on a remote NFS share?   If so, that's not
> unusual.
> >     > Root is usually mapped to "nobody" on remote NFS servers.
> >
> >     Or, it could happen because of a stale NFS file handle (fixable by
> >     unmounting/remounting).
> >
> >     Mike
> >     _______________________________________________
> >     mythtv-users mailing list
> >     mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
> >     http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> >
> >
> > It appears the answer I may have to go with is some sort of corruption
> > in the file system.  I'm CCing this to the reiserfs list, since that's
> > what the partition is.  On reboot, the partition starts to load, and
> > hangs up on "Checking Internal Tree.." and gets no further.
> >
> > Any suggestions on how to recover without losing all my data?
> >
> > Ryan
> >
> >
> Send lots more details to vs at namesys.com.
>


I believe I have the answer now, I'm not sure more details will do you
good.  The culprit appears to be a bad stick of RAM.  The advice about
checking RAM before rechecking the reiserfs tree is a very good one, I wish
I had gotten it a couple days ago.  Faulty RAM removed, I was about to
rebuild-tree and lose nothing that I've noticed.

Thanks for the help!

Ryan
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