> On 5 Dec 2016, at 12:05, Emilio Pozuelo Monfort <poch...@gmail.com> wrote: > > On 05/12/16 12:27, James Clarke wrote: >> Package: xserver-xorg-video-intel >> Version: 2:2.99.917+git20161105-1 >> Severity: important >> Tags: patch upstream >> Control: retitle -1 segfaults due to missing NULL check in >> has_connector_backlight >> >> This looks like [1] was reached with dir being NULL, though since you don't >> have debugging symbols (and I don't know/can't seem to work out what address > > What's wrong with xserver-xorg-video-intel-dbg ?
I was being an idiot; I had unpacked -dbg, but pointed addr2line at the stripped library... debian:xserver-xorg-video-intel james% addr2line -e root/usr/lib/debug/usr/lib/xorg/modules/drivers/intel_drv.so 0x74502 /build/xserver-xorg-video-intel-CxTaWA/xserver-xorg-video-intel-2.99.917+git20161105/build/src/sna/../../../src/sna/sna_display.c:1036 So yes, this was the problem (though I wasn't really in any doubt after seeing the source). James
