[BUG] recent squeeze X11 updates causing SIGSEGV on startup

[Matt Turner]

On Mon, Sep 14, 2009 at 11:34 AM, Julien Cristau <jcristau at debian.org> wrote:
> On Mon, Sep 14, 2009 at 11:27:28 -0400, Matt Turner wrote:
>
>> Hi,
>>
>> Thanks for the report. I was getting the exact same failure as you.
>>
>> The crash happens in xf86SlowBCopyFromBus, which seems to be totally
>> useless. So I killed that code:
>> http://cgit.freedesktop.org/xorg/xserver/commit/?id=5ef53a94ce4e48e11de26290cd677266308640c8
>>
>> If anyone finds that it's needed on some systems, let me know and
>> we'll figure out something. Otherwise, that code is gone from
>> xserver-1.7 and shouldn't cause any more problems.
>>
>> I don't know if anyone is planning another 1.6.x release, but if they
>> are, they might consider cherry-picking that commit.
>>
> It can probably be cherry-picked to our package in any case, if someone
> confirms that it's enough to make things work.
>
> Cheers,
> Julien
>

Unfortunately, it's not. It just gets you past that segfault.

I might have further broken sparse mapping support with it as well.

We just need to get to a point where _something_ works on Alpha, and
then we'll go back and fix sparse.

Matt