Hi all, please let's discuss this issue on this merged bug (#809638) only, and when replying keep everyone Cc:ed who previously reported this issue.
On 2016-01-02 10:37, Roman Lebedev wrote: > It happens only on this kernel version, on 4.2.0 it is fine. Has anyone tried Linux 4.4.x from experimental? (The module from fglrx-driver 1:15.9-4 should compile for 4.4) Is anyone running an i386 system with fglrx? Does the same happen there with Linux 4.3, too? Googling for "BUG: unable to handle kernel NULL pointer dereference at" and "fireglPcsCommand" unfortunately only yields these Debian bugs, so it seems not to occurr on other distributions (or the error message is different there). Thanks to Antonios logfiles, the systemd error message "(EE) systemd-logind: failed to get session: PID xxx does not belong to any known session" seems to be a red herring, since it occurs in both the working Linux 4.2 and the broken Linux 4.3 runs. [ 12.274] Current Operating System: Linux osrevolution 4.2.0-1-amd64 #1 SMP Debian 4.2.6-3 (2015-12-06) x86_64 [ 12.274] xorg-server 2:1.17.3-2 (http://www.debian.org/support) [ 12.574] (EE) systemd-logind: failed to get session: PID 1367 does not belong to any known session [ 39.799] Current Operating System: Linux osrevolution 4.3.0-1-amd64 #1 SMP Debian 4.3.3-5 (2016-01-04) x86_64 [ 39.799] xorg-server 2:1.17.3-2 (http://www.debian.org/support) [ 41.106] (EE) systemd-logind: failed to get session: PID 1208 does not belong to any known session Andreas