Posts

Showing posts with the label segfault

Unity 2D segfault in Precise

Unity is full of bugs.We all know it. Usually the window manager fails and decorations are gone. Sometimes all windows are stacked on top of each other at a corner. It's so bad that I had to write a script for killing and restarting the effected processes easily from a shell to resume working. All of this usually occurs when doing twisted deeds like opening a web page, however it can sometimes be triggered by toggling fullscreen or starting an application. It is always unexpected and unpredictable. If you know what to do, you don't loose any work and you don't even need to close any windows. So it's only a cosmetic issue at this level, but still not very professional. Interestingly, I have encountered this mostly in 2012-2014, and they have much reduced the occurrence rate from about 2015. Nonetheless, I don't use Unity on any of my new installs since about 2013 because of this. If you are fortunate enough to never have used this wonderful peace of engineering, ...

UniChrome Pro on Ubuntu via OpenChrome

It worked easily with the VESA driver, however the legacy mode tables don't have any of today's fancy aspect ratios. OpenChrome, the default driver, just gave a blank screen. Reviewing Xorg.log revealed an abort by signal 11, segmentation fault (segfault). Let me share the process of fixing it. I went on to generate a new xorg.conf for editing by Xorg -config xorg.conf.new . I then proceeded to add as much fail-safe options as possible from the driver documentation : Section "Device" Option "ModeSwitchMethod" "legacy" # or blank & segfault Option "SWCursor" "true" # unsure Option "EnableAGPDMA" "True" # unsure Option "NoAccel" # or starts to lag after some time Identifier "IGP" Driver "openchrome" BusID "PCI:1:0:0" EndSection Section "Module" # unsure Disable ...