On Wed, Feb 23, 2005 at 02:59:21PM -0800, Tyler MacDonald wrote:
> > It is still not proven that this error can be reproduced w/o using root
> > privileges - 
> 
>       To repo - I have done this *4* times now:
Indeed, I heard you the first two times, as, I suspect, did the other
83 people on the -rc ML.

It is sometimes difficult to describe all the conditions leading up to
a problem, so we appreciate your patience.

I have guessed that your /etc/mtab is a file, and not a symlink;
indeed, many people, myself included, have mtab => /proc/mounts, and
this bug almost certainly depends on mount detecting that mtab is a
regular file and not a symlink.

Could you confirm that your mtab is a regular file?

Yes, I can confirm that one can kill mount as a normal user.

And, yes, I can confirm having reproduced the reported problem.  Note,
also, this very weird behaviour:

[EMAIL PROTECTED]:~$ ls /cdrom/
[EMAIL PROTECTED]:~$ ls /cdrom/
Classic Rock

That is inconsistent at the VFS level, as best I know.  The first `ls`
required the drive to spin up, the second did not.  The first one,
however, was fully spun up when it returned.

getdents64(3, /* 0 entries */, 4096)    = 0

The second ls has:

getdents64(3, /* 3 entries */, 4096)    = 80

[EMAIL PROTECTED]:~$ grep cdrom /proc/mounts;
/dev/hdc /cdrom iso9660 ro,nosuid,nodev,noexec 0 0
[EMAIL PROTECTED]:~$ grep cdrom /etc/mtab 
[EMAIL PROTECTED]:~$

Justin


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