Bug#814827:

2016-02-15 Thread Timothy Pearson
A similar crash also occurs when outputs are hotplugged. Revised patch attached. Note that at least on my test machine with an HDMI display attached Xorg starts but the display remains disabled. It is currently unknown whether this is a general bug in the radeon driver or something pcc64el speci

Bug#814827:

2016-02-15 Thread Timothy Pearson
The attached patch fixes the crash and Xorg appears to start normally.--- xorg-server-1.18.0/randr/randr.c 2015-11-06 08:07:41.0 -0600 +++ xorg-server-1.18.0/randr/randr.c 2016-02-15 12:49:06.469645421 -0600 @@ -559,6 +559,9 @@ mastersp = pScrPriv; } +if (!mastersp) +

Bug#814827: X crashes on start on POWER8/radeon machine

2016-02-15 Thread Timothy Pearson
Package: xserver-xorg-core Version: 2:1.18.0-3 On a POWER8 machine under both Debian Jessie and Debian Stretch Xorg crashes on startup when using the radeon driver and a Radeon R9 290X. Kernel modesetting outside of X appears to function normally. crash: Program received signal SIGSEGV, Segmenta