Re: Strange X11 crashes on 5.0

[Andras Barna <andras.barna%gmail.com@localhost>]

On Thu, Aug 6, 2009 at 5:31 PM, <raymond.meyer%rambler.ru@localhost> wrote:
> On Thu, 6 Aug 2009 14:43:33 +0100
> George Harvey <fr30%dial.pipex.com@localhost> wrote:
>
>> Hi,
>>
>> I have 5.0 running on an Ultra 5 and I'm seeing some X11 apps, eg.
>> sylpheed, firefox, core dump when started from a remote X server
>> running on Mac OS X 10.5.7 (leopard). Other apps, eg. xterm, xload,
>> Tcl/Tk, work fine. However, the apps that crash when run from the Mac
>> work OK when run from X on the Sun console. I've also tried the same
>> apps built on other NetBSD systems (sparc & sgimips) and on those
>> platforms they do work when run from the Mac. So it looks like the
>> problem is specific to apps running on sparc64 with the display on
>> the Mac.
>>
>> The apps that crash all fail in XListInputDevices so I built a version
>> of libXi with debugging symbols and see the following with gdb (using
>> gtk-demo as an example):
>>
>> Core was generated by `gtk-demo'. Program
>> terminated with signal 10, Bus error.
>> #0 Â0x000000004130a168 in XListInputDevices (dpy=0x45009000,
>> Â Â ndevices=0xffffffffffffafac) at XListDev.c:180
>> 180 Â Â Â Â Â Â Â Â Â Â Â Â B->class = ButtonClass;
>> (gdb) bt
>> #0 Â0x000000004130a168 in XListInputDevices (dpy=0x45009000,
>> Â Â ndevices=0xffffffffffffafac) at XListDev.c:180
>> #1 Â0x000000004077c4bc in gdk_device_get_state ()
>> Â Âfrom /usr/pkg/lib/libgdk-x11-2.0.so.0
>> #2 Â0x0000000040752870 in gdk_display_open ()
>> Â Âfrom /usr/pkg/lib/libgdk-x11-2.0.so.0
>> #3 Â0x0000000040727c44 in gdk_display_open_default_libgtk_only ()
>> Â Âfrom /usr/pkg/lib/libgdk-x11-2.0.so.0
>> #4 Â0x0000000040ab9fa4 in gtk_init_check ()
>> Â Âfrom /usr/pkg/lib/libgtk-x11-2.0.so.0
>> #5 Â0x0000000040ab9fdc in gtk_init ()
>> Â Â from /usr/pkg/lib/libgtk-x11-2.0.so.0
>> #6 Â0x0000000000119af4 in main ()
>> (gdb)
>>
>> At this point I'm getting out of my depth, I can't see anything wrong
>> in XListDev but I'm not familiar with X11 internals so I don't know
>> what I should be looking for. Any suggestions?
>>
>> George
>
> I don't know the fix for your problem, but I've had crashes with Xorg
> server on sparc64 under similar conditions:
>
> http://mail-index.netbsd.org/netbsd-users/2009/08/04/msg004207.html
>
> I've tried debugging it, but it was like chasing a wilde choose. I
> don't have time or techinical knowledge to pinpoint the bug. So I guess
> the solution is - don't use remote X11 clients over network! Funny, coz
> this is what X11 was originally designed for.
>
> I get the feeling that the Xorg developers don't care much about any
> other platforms that are not x86.

are you kidding?
that's not 100% right
opensolaris uses xorg on sparc too
not to mention linux, freebsd.. etc

> I also think X11 is too old, has too
> many hacks and too much bloat, maybe it's time to move to something
> better in the future.
>



-- 
Andy
http://blog.sartek.net