Double free corruption on Xorg

Michel Dänzer michel at tungstengraphics.com
Sun Sep 10 14:37:24 PDT 2006


On Sun, 2006-09-10 at 16:09 +0400, Mitch wrote:
> Hi i just git pulled on xserver and i'm getting double free corruption on my
> 
> % strace -f -s 255 Xorg
> 
> shows
> 
> ...
> 16751 write(0, "(WW) (2048x1536,CRT2 Monitor) mode clock 388.04MHz 
> exceeds DDC maximum 140MHz\n", 78) = 78
> 16751 write(0, "(II) RADEON(0): Not using default mode \"2048x1536\" 
> (hsync out of range)\n", 72) = 72
> 16751 write(0, "(II) RADEON(0): Not using default mode \"1024x768\" (bad 
> mode clock/interlace/doublescan)\n", 88) = 88
> 16751 write(0, "(II) RADEON(0): Total of 23 CRTC2 modes found for 
> MergedFB------------ \n", 72) = 72
> 16751 open("/dev/tty", O_RDWR|O_NONBLOCK|O_NOCTTY) = 7
> 16751 writev(7, [{"*** glibc detected *** ", 23}, {"double free or 
> corruption (out)", 31}, {": 0x", 4}, {"0820f488", 8}, {" ***\n", 5}], 5) 

Please consider adding your findings to
https://bugs.freedesktop.org/show_bug.cgi?id=8137 .


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer




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