[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Bug#594684: xserver-xorg-video-siliconmotion: siliconmotion driver segfaults on a Lemote YeeLoong (SM712 LynxEM+)

On Wed, Sep 01, 2010 at 02:58:33AM +0200, Cyril Brulebois wrote:
> Hi Tzafrir,
> Tzafrir Cohen <tzafrir@cohens.org.il> (28/08/2010):
> > I was not able to get any useful backtrace from the core file. So I
> > added some debug messages to the driver. The last part of the log
> > below with those debug messages (befault the segfault message):
> > […]
> > So it basically segfaults at the first outb() in SMI_EnableMmio().
> With “exotic” drivers like this one, you want to install
> xserver-xorg-core-dbg, as well as a customly-rebuilt driver using this
> environment variable: DEB_BUILD_OPTIONS="noopt nostrip"; that should
> get you an exploitable core file.

For the record, there seems to be a patch for it, but one that is too
Loongson-specific, in the two patches mentioned in

As mentioned further down that thread, it did not work for me.

Tzafrir Cohen         | tzafrir@jabber.org | VIM is
http://tzafrir.org.il |                    | a Mutt's
tzafrir@cohens.org.il |                    |  best
tzafrir@debian.org    |                    | friend

Reply to: