Bug 126728 - kdesktop_lock fails to unlock;"Cannot unlock the session because the authentication system failed to work; you must kill kdesktop_lock (pid xxxx) manually.
Summary: kdesktop_lock fails to unlock;"Cannot unlock the session because the authenti...
Status: CLOSED NOT A BUG
Alias: None
Product: kdesktop
Classification: Miscellaneous
Component: general (show other bugs)
Version: unspecified
Platform: Fedora RPMs Linux
: NOR normal
Target Milestone: ---
Assignee: Oswald Buddenhagen
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2006-05-04 13:00 UTC by Peter R. Thorsen Jr.
Modified: 2009-01-02 20:32 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:


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Description Peter R. Thorsen Jr. 2006-05-04 13:00:09 UTC
Version:            (using KDE KDE 3.5.2)
Installed from:    Fedora RPMs
OS:                Linux

The above Short Description sums it all up.  Running KDE 3.5.2, "and loving it" under Fedora Core 5.  Updated a slew of RPMS yesterday and kablooie.  This bug reared its ugly head.  It'd be nice to having it work the way that it used to.

Thanks in advance,

Pete
Comment 1 Mike James 2006-05-04 18:58:02 UTC
I to have this very same problem
Comment 2 Mike James 2006-05-04 19:00:35 UTC
Sorry finger trouble.

After using Yum to perform updates to my system fedora core 5, i honestly could not say which updates were applied with out looking into it more. i now to am seeing this problem. Glad it aint just me.
Comment 3 Brian Kaye 2006-05-05 16:58:49 UTC
I too have this bug after installing patches.

......Brian Kaye
Comment 4 Brian Kaye 2006-05-05 20:59:40 UTC
Added a bunch more patches today some of which were to KDE and the problem seems to have gone away. Did not restart X or anything.
Comment 5 Mike James 2006-05-06 19:51:34 UTC
Yep the updates i installed today have fixed the lock desktop issue. problem gone.
Comment 6 Peter R. Thorsen Jr. 2006-05-06 20:52:06 UTC
As others have said as of yesterday the updates that I downloaded and installed this morning seemed to have fixed this issue.

Thanks,

Pete
Comment 7 Joris Guisson 2007-01-24 21:44:24 UTC
This bug is definitely not resolved in kubuntu edgy (KDE 3.5.5), I first noticed it when I had locked my desktop and it refused to unlock, even though the password I entered was correct.

It seems that the commandline kcheckpass is used, and if I run this from a shell, it fails every time, no matter which of my 5 user accounts I use.

In /var/log/auth.log I see these lines : 

Jan 24 21:40:18 localhost kcheckpass: (pam_unix) authentication failure; logname= uid=1000 euid=1000 tty=/dev/pts/2 ruser= rhost=  user=joris
Jan 24 21:40:18 localhost kcheckpass[9008]: Authentication failure for joris (invoked by uid 1000)
Comment 8 Axel Bojer 2007-02-11 17:24:53 UTC
Confirmed. I have this problem on kubuntu dapper too. Is there a quick fix for this? Because hibernation and sleep also depends on it.
Comment 9 Axel Bojer 2007-02-11 17:30:36 UTC
... and, please: This is confirmed, perhaps worse than normal, too, because you have to crash your system, that is the only way -- crash X, reboot or warever -- your work may be lost, at least what you wanted to return to. As soon you knows this, it is probaly not that bad, but who woulkd expect such a normal feature to be broken? This bug has 40 votes now, this means It is rendered important.
Comment 10 David Faure 2007-02-13 22:52:46 UTC
40 is nothing, it's 2 people, but yes, this bug seems grave. However I have no idea about that code; ossi is in the authors for kcheckpass so I hope he has a bit more of an idea about this problem.
Comment 11 Oswald Buddenhagen 2007-02-14 00:42:51 UTC
usually this comes from kcheckpass not being setuid root or setgid shadow.
needless to say: works for me.
Comment 12 Rex Dieter 2007-02-14 15:12:01 UTC
I can vouge the folks using kde-redhat pkgs were (most likely) simply packaging bugs introduced in kdebase-3.5.5-1.5 (released Jan 04), fixed in kdebase-3.5.6-3 (released Jan 22).  My bad, sorry.

Can't speak for kubuntu folks having similar problems.

Comment 13 Oswald Buddenhagen 2007-04-11 14:04:07 UTC
thx rex. i assume the ubuntu folks are seeing a homologous problem.
Comment 14 FiNeX 2009-01-02 20:32:33 UTC
Bug closed. Kdesktop is no more mantained.