Public bug reported: I noticed that the RT kernel for lucid is based off version 2.6.31, compared to 2.6.32 for the stock ubuntu kernel. It is my suspicion that this is the reason for certain things not working. Most prominent: Network manager does not work. After switching from a base install of lucid beta1 on amd64 to the linux-rt kernel, the nm-applet vanished, and when bringing it back, it did not show my 3G USB modem (or any network device, AFAIR), although the kernel recognized it and I was able to dial up using wvdial.
Another issue is wrong detection of the resolution for Xorg ... I have an old 15in XGA TFT connected to VGA, the linux-rt kernel prompted Xorg to try to run with 1366x768 instead of 1024x768. I had to fix this using /etc/X11/xorg.conf (luckily, _some_ parts of this file are not ignored yet). I built an own kernel using make-kpkg, for Opteron/Athlon64 only (http://thomas.orgis.org/ubuntu/linux- image-2.6.33.2-rt13-thorubuntu_2_amd64.deb), starting with vanilla 2.6.33.2-rt13 and off the stock ubuntu kernel config. I had to disable the staging drivers, though, as not all of them build with the RT patch. Using this kernel, everything works as with the stock ubuntu kernel. It is even bug-compatible as in my integrated Radeon graphics (RS690) dying after some time, leaving me staring at a black screen. That is a rather serious showstopper issue, but no regression from the stock ubuntu kernel. ** Affects: linux-rt (Ubuntu) Importance: Undecided Status: New -- linux-rt being based on 2.6.31 seems to cause breakage with lucid https://bugs.launchpad.net/bugs/561288 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
