[SOLVED] X segfaulting after upgrade (OsLookupColour+0x139)

Netrunner Rolling Rolling 2016.01
1

Hi there,

I’ve just switched to Netrunner, so please excuse me if I’m ignorant about how to figure out stuff on this system :slight_smile:

I’ve installed Netrunner Rolling 2015.11 on my i915-based Zenbook Prime. This worked fine, but as soon as I do

sudo pacman -Syu

to upgrade the system, my X configuration breaks. I can boot into the desktop manager (sddm, right?), but as soon as I enter my password and hit ENTER, X will crash and drop me into the login screen again. From the previous session’s Xorg.0.log, I can see that I’m hitting an instance of the same bug that has been reported for Fedora before:

https://bugzilla.redhat.com/show_bug.cgi?id=957915

I’ve tried using mhwd to switch to the pure intel driver, to no avail. I was able to restore working X funktionality by changing:

Driver "intel"

to

Driver "modesetting"

in the Device Section of my Xorg config. However, this way I loose AIGLX / Composite and probably any kind of hardware accel, too.

[list]
[]Has anybody seen this kind of issue before? Maybe even know a fix?
[]How can I figure out which package’s upgrade caused this issue? Can I do some trial-and-error downgrading to bisect the offending change?
[/list]

Cheers,

Jannik

2

There is a fix currently in testing for now add or change this line to option “DRI” “3”.

3

Thanks for the fix. While this allows me to actually start the KDE session without X segfaulting, the driver still seems to be badly broken - screen regions don’t get updated or get updated incorrectly when switching windows, for example. So Driver “modesetting” seems to be the better option for now.

4

After the last upgrade to xf86-video intel, everything works perfectly.