kded crashes when logging in with ldap in live environment

[cleary]

Summary:
When I use LDAP to authenticate/create home directories on a live environment (casper initramfs), I get a kded crash every time I login, regardless of if the profile has been created yet or not.
I can replicate this on the vanilla kubuntu live cd beta, I also build custom livecds from the 14.04 repos, and am still experiencing the issues with current packages (confirmed today)
The same LDAP/PAM config on a hard disk install does not exhibit the symptom

I've attempted to get some more diagnostic information with assistance from the kde forums, but I'm not really coming up with anything useful at the moment:
https://forum.kde.org/viewtopic.php?f=67&t=120104&p=306273#p306273

I've attached the kcrash handler output for kded4

I also get a plasma-desktop crash on initial login, this does not occur on subsequent logins. I expect it's related, I'll attach the kcrash output for this as well.

Package Versions:
kdelibs5-data 4:4.12.95-0ubuntu1
plasma-desktop 4:4.11.8-0ubuntu1

[cleary (bernard-gray)]

Attached plasma-desktop kcrash output.
Note this only occurs on initial profile login, not on subsequent logins

[cleary (bernard-gray)]

Attached strace kded4 output.
Logged in, kded4 segfaults, I try to start it again from konsole with strace and it segfaults again - the output is attached

[Harald Sitter (apachelogger)]

Hi there!

Thanks for reporting this bug! Your bug seems to be a problem with the KDE program itself, and not with our KDE packages. While we appreciate your issue, it would be better if it was tracked at https://bugs.kde.org, so that the KDE developers can deal with this speedily and have direct communication with you as the reporter for more effective debugging. Also, please attach your ~/.cache/upstart/startkde.log to the KDE bug report (this is essentially replacing .xsession-errors in 13.10 and later).

Thanks!

[cleary (bernard-gray)]

Hi Harald,
Thanks for the info - I thought I'd post it here since I can only replicate it in a live environment, which uses the ubuntu specific casper initramfs.

Regarding the ~/.xsession-errors file, this exists in my profile but the ~/.cache/upstart/startkde.log does not. I've just tested on a recent daily Kubuntu build (from last week) and it's the same situation. Is this change only specific to ubuntu proper (ie running unity?)

I will post it on the KDE bugtracker shortly.

[Harald Sitter (apachelogger)]

It might be limited to actual installations, what with livecds having a somewhat specific display manager.