[Freeipa-users] Odd "dereference processing failed : Input/output error"

[Jakub Hrozek]

On Mon, Sep 23, 2013 at 10:19:13AM +1000, craig.freeipa at noboost.org wrote:
> Hi,
> 
> Spec:
> Fedora release 19 
> * freeipa-client-3.3.0-2.fc19.x86_64
> * sssd-ipa-1.11.0-0.2.beta2.fc19.x86_64
> 
> I've got a PC that keeps crashing

The symptoms below don't indicate a crash, do you actually see a
segfault?

> Anyone see this error before?

So far I've seen this error with some old Novell eDir servers that
claimed to support dereference control in rootDSE but didn't. I've never
seen this error with IPA.

> Note: the dbus messages may be unrelated. 
> 
> File: /var/log/messages
> Sep 20 16:40:03 craigpc sssd[be[teratext.saic.com.au]]: dereference 
> processing failed : Input/output error

Can you reproduce this? Can you put debug_level=6 into the domain
section of your sssd.conf, restart the sssd and attach logs?

> 
> Sep 20 17:08:06 craigpc dbus-daemon[408]: dbus[408]: [system] Rejected
> send message, 2 matched rules; type="method_return", sender=":1.2"
> (uid=70 pid=407 comm="avahi-daemon: starting up ") interface="(unset)"
> member="(unset)" error name="(unset)" requested_reply="0"
> destination=":1.2700" (uid=365 pid=21991 comm="evince
> /data/download/DOC200913-20092013104309.pdf")
> 
> Sep 20 17:08:06 craigpc dbus[408]: [system] Rejected send message, 2
> matched rules; type="method_return", sender=":1.2" (uid=70 pid=407
> comm="avahi-daemon: starting up ") interface="(unset)" member="(unset)"
> error name="(unset)" requested_reply="0" destination=":1.2700" (uid=365
> pid=21991 comm="evince /data/download/DOC200913-20092013104309.pdf")
> 
> Sep 20 17:08:06 craigpc dbus[408]: [system] Rejected send message, 2
> matched rules; type="method_return", sender=":1.2" (uid=70 pid=407
> comm="avahi-daemon: starting up ") interface="(unset)" member="(unset)"
> error name="(unset)" requested_reply="0" destination=":1.2700" (uid=365
> pid=21991 comm="evince /data/download/DOC200913-20092013104309.pdf")
> 
> Sep 20 17:08:06 craigpc dbus-daemon[408]: dbus[408]: [system] Rejected
> send message, 2 matched rules; type="method_return", sender=":1.2"
> (uid=70 pid=407 comm="avahi-daemon: starting up ") interface="(unset)"
> member="(unset)" error name="(unset)" requested_reply="0"
> destination=":1.2700" (uid=365 pid=21991 comm="evince
> /data/download/DOC200913-20092013104309.pdf")
> 

Any change these four above could be SELinux related?

> Sep 20 17:50:01 craigpc sssd[be[teratext.saic.com.au]]: dereference
> processing failed : Input/output error
> 
> cya
> 
> Craig