Comparing the logs with the new version and the one from testing, I see this:
===================== for working version: (==) NV(0): Backing store disabled (==) NV(0): Silken mouse enabled (II) NV(0): DPMS enabled (II) NV(0): RandR 1.2 enabled, ignore the following RandR disabled message. (--) RandR disabled (II) Initializing built-in extension Generic Event Extension (II) Initializing built-in extension SHAPE [...] ====================== for non-working version: (==) NV(0): Backing store disabled (==) NV(0): Silken mouse enabled (==) NV(0): DPMS enabled Backtrace: 0: /usr/bin/X (xorg_backtrace+0x28) [0x4662b8] 1: /usr/bin/X (0x400000+0x676f9) [0x4676f9] 2: /lib/libpthread.so.0 (0x7f2a40cd3000+0xe990) [0x7f2a40ce1990] Segmentation fault at address (nil) Fatal server error: Caught signal 11 (Segmentation fault). Server aborting -- Eugen -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org