Bug#625521: glibc: causes segfault in Xorg
On Mit, 2011-05-04 at 11:08 +0200, Cyril Brulebois wrote:
> Michel Dänzer <firstname.lastname@example.org> (04/05/2011):
> > More importantly xserver-xorg-core-dbg, to get debugging symbols
> > for /usr/lib/xorg/modules/libshadow.so .
> If fbdev is indeed used (see Michel's other mail about that),
> rebuilding it with debugging symbols would be nice.
> AFAICT from a quick grep, the entry point to shadowUpdate*Packed would
> be through:
> | src/fbdev.c: shadowUpdateRotatePackedWeak() : shadowUpdatePackedWeak(),
Those are just callback pointers passed to shadowAdd(). The driver
doesn't call shadowUpdatePacked() directly (in fact you'll note the
backtrace doesn't have any frames belonging to the driver), but the
shadow layer is only used as set up by the driver.
Earthling Michel Dänzer | http://www.vmware.com
Libre software enthusiast | Debian, X and DRI developer