<div dir="ltr"><br><br><div class="gmail_quote">On Tue, Jul 22, 2008 at 10:20 AM, Mohan Parthasarathy <<a href="mailto:suruti94@gmail.com">suruti94@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div dir="ltr"><br><br><div class="gmail_quote"><div><div></div><div class="Wj3C7c">On Mon, Jul 21, 2008 at 11:19 PM, Michel Dänzer <<a href="mailto:michel@tungstengraphics.com" target="_blank">michel@tungstengraphics.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><div></div><div>On Mon, 2008-07-21 at 12:11 -0700, Mohan Parthasarathy wrote:<br>
><br>
><br>
> On Mon, Jul 21, 2008 at 10:36 AM, Michel Dänzer<br>
> <<a href="mailto:michel@tungstengraphics.com" target="_blank">michel@tungstengraphics.com</a>> wrote:<br>
> On Mon, 2008-07-21 at 10:23 -0700, Mohan Parthasarathy wrote:<br>
> ><br>
> ><br>
> > ><br>
> > > Sounds like the X server crashed, if this<br>
> is<br>
> > reproducible it<br>
> > > would be<br>
> > > good to track it down<br>
> > ><br>
> > > This can be reproduced by just running<br>
> texture_from_pixmap<br>
> > in a tight<br>
> > > loop. At least i can reproduce it.<br>
> ><br>
> ><br>
> > Good, can you get a gdb backtrace from the X server<br>
> crash?<br>
> ><br>
> ><br>
> > gdb method does not seem to work as the process exits and i<br>
> have no<br>
> > trace in gdb. And after spending lot of time in settup up<br>
> core dumps<br>
> > on my machine, i have not been successful in getting a core<br>
> dump. I<br>
> > will try some more later today..<br>
><br>
><br>
> I usually attach gdb to the running X server process before<br>
> reproducing<br>
> a crash.<br>
><br>
><br>
><br>
> That's what i am doing too..<br>
><br>
><br>
> (gdb) bt<br>
> #0 0xffffe410 in __kernel_vsyscall ()<br>
> #1 0xb7ccc39d in select () from /lib/tls/i686/cmov/libc.so.6<br>
> #2 0x0812b79d in WaitForSomething (pClientsReady=0x83af6f8) at<br>
> WaitFor.c:236<br>
> #3 0x0808c00d in Dispatch () at dispatch.c:372<br>
> #4 0x08071855 in main (argc=10, argv=0xbfa80ff4, envp=0x0) at<br>
> main.c:415<br>
> (gdb) c<br>
> Continuing.<br>
><br>
> Program exited with code 0377.<br>
> (gdb) bt<br>
> No stack.<br>
<br>
</div></div>So this exit code 0377 (= 255) happens when you run texture_from_pixmap?<br>
</blockquote></div></div><div>Yes.<br> <br></div><div class="Ih2E3d"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
Weird... Anything interesting in the X server's stderr output?<br>
<font color="#888888"></font></blockquote></div><div> <br>In the gdm log file,<br><br>in RADEONProbeOutputModes<br>*********************************WARN_ONCE*********************************<br>File r300_mem.c function r300_mem_alloc line 225<br>
Ran out of GART memory (for 1048576)!<br>Please consider adjusting GARTSize option.<br>***************************************************************************<br>Error: Could not get dma buffer... exiting<br><br>I guess this explains everything..<br>
</div></div></div></blockquote><div><br>I just want to clarify one thing. The test that i ran (runing texture_from_pixmap) might be a little<br>artificial. But this bug happened at other normal times also. I am not an expert at this code. So,<br>
there may not be a simple fix as i think. Perhaps, somebody is already working with a fix for this.<br>Let me know if we need to track this..<br><br>thanks<br>mohan<br><br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div dir="ltr"><div class="gmail_quote"><div><br>-mohan<br><br><br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><font color="#888888"><br>
<br>
--<br>
</font><div class="Ih2E3d"><div><div></div><div>Earthling Michel Dänzer | <a href="http://tungstengraphics.com" target="_blank">http://tungstengraphics.com</a><br>
Libre software enthusiast | Debian, X and DRI developer<br>
<br>
</div></div></div></blockquote></div><br></div>
</blockquote></div><br></div>