Hi Milan, Thanks for taking the time to report this bug. To be able to create a good upstream bug report we're going to need some more information. Whenever the xserver gets stuck on an ioctl() like in your case it's actually the GPU which is hung and that typically means we need to see what kind of instructions were sent to the GPU through it's batchbuffers.
This type of analysis requires a new debugging interface which was included in the 2.6.30 kernel which is not finished yet. So can you please install 2.6.30-rc3 and then take a debug snapshot of these buffers? This would be very helpful for us. Luckily Ubuntu already provides pre-packaged .DEBs for vanilla mainline kernels. Please refer to this guide: https://wiki.ubuntu.com/X/Troubleshooting/Freeze And in particular, follow the steps from the section "Get a Batchbuffer Dump (-intel only)", i.e: https://edge.launchpad.net/~ubuntu-x-swat/+archive/x-freeze-test In the next version of Ubuntu the normal kernel will have this type of debugging interface so we will try to get it included in normal apport bugs etc (which will be great) but until then a little bit of manual work is required. -- [i915] Random freeze every day or two https://bugs.launchpad.net/bugs/365994 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
