Sure. Ive left the office for today, will do so tomorrow.

Im not very familiar with gdb. Any particular syntax / switches to add?

Rgds,
Siggi.
-- 
Sent from my Android phone with K-9 Mail. Please excuse my brevity.

Stephen Gallagher <sgall...@redhat.com> wrote:

On Mon, 2012-01-30 at 16:01 +0100, Sigbjorn Lie wrote:
> Hi,
> 
> I'm doing a pre-implementation project for a customer having RHEL 5.7 
> workstations with KDE as
> their windows manager.
> 
> When using KDE at a RHEL 5.7 (or 5.8 BETA) workstation connected to a IPA 
> 2.1.3 running at RHEL
> 6.2 server, sssd will crash every time I attempt to unlock the screen.
> 
> To work around the issue I switch to tty1, log in as root, and restart sssd. 
> After attempting this
> several times (2-5 times), I can finally unlock the screen. I have attempted 
> to update one
> workstation to 5.8 beta to see if the issue was resolved there. No such luck.
> 
> Is this a known issue?
> 
> 
> The log displays the following:
> 
> Jan 30 15:49:16 svg118 kdesktop_lock: on 0
> Jan 30 15:49:21 svg118 kernel: sssd_be[9873] general protection rip:41dc3d 
> rsp:7fffc57c9f10 error:0
> Jan 30 15:49:22 svg118 sssd[be[no.ep.corp.local]]: Starting up
> Jan 30 15:49:33 svg118 sssd[be[no.ep.corp.local]]: Shutting down
> Jan 30 15:49:33 svg118 sssd[pam]: Shutting down
> Jan 30 15:49:33 svg118 kcheckpass[9896]: Authentication failure for username 
> (invoked by uid 12345)
> Jan 30 15:49:33 svg118 sssd[nss]: Shutting down
> Jan 30 15:49:33 svg118 sssd: Starting up
> Jan 30 15:49:34 svg118 sssd[be[no.ep.corp.local]]: Starting up
> Jan 30 15:49:34 svg118 sssd[nss]: Starting up
> Jan 30 15:49:34 svg118 sssd[pam]: Starting up
> Jan 30 15:49:42 svg118 kernel: sssd_be[9928] general protection rip:41dc3d 
> rsp:7fff70baba70 error:0
> Jan 30 15:49:43 svg118 sssd[be[no.ep.corp.local]]: Starting up
> Jan 30 15:49:52 svg118 sssd[be[no.ep.corp.local]]: Shutting down
> Jan 30 15:49:52 svg118 sssd[pam]: Shutting down
> Jan 30 15:49:52 svg118 kcheckpass[9933]: Authentication failure for username 
> (invoked by uid 12345)
> Jan 30 15:49:52 svg118 sssd[nss]: Shutting down
> Jan 30 15:49:52 svg118 sssd: Starting up
> Jan 30 15:49:52 svg118 sssd[be[no.ep.corp.local]]: Starting up
> Jan 30 15:49:52 svg118 sssd[pam]: Starting up
> Jan 30 15:49:52 svg118 sssd[nss]: Starting up
> Jan 30 15:49:59 svg118 kernel: sssd_be[9985] general protection rip:41dc3d 
> rsp:7fff40912260 error:0
> 

Definitely not a known issue. Do you think you could attach gdb to the
sssd_be process and try to get a backtrace for me to look at, please?
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