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Hello,<br><br>I recently replaced Ubuntu with Mageia 1 on my laptop. Now I'm seeing this odd issue where I run a full-screen OpenGL application, it behaves normally, but immediately after I exit the application X.org crashes, and KDM relaunches X and gives me a login screen.<br>
<br>I ran the same applications (the same build, even!) on this hardware under Ubuntu with no problem, so I'm guessing that there's a buggy driver somewhere in Mageia's X.org packages.<br><br>This appears to be the relevant section in Xorg.0.log where the video driver gets loaded:<br>
<br>[ 19466.329] (II) LoadModule: "intel"<br>[ 19466.330] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so<br>[ 19466.330] (II) Module intel: vendor="X.Org Foundation"<br>[ 19466.330] compiled for 1.10.1, module version = 2.15.0<br>
[ 19466.330] Module class: X.Org Video Driver<br>[ 19466.330] ABI class: X.Org Video Driver, version 10.0<br>[ 19466.330] (II) v4l driver for Video4Linux<br>[ 19466.330] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810,<br>
i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G, 915G,<br> E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G,<br> 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45,<br>
4 Series, G45/G43, Q45/Q43, G41, B43, B43, Clarkdale, Arrandale,<br> Sandybridge, Sandybridge, Sandybridge, Sandybridge, Sandybridge,<br> Sandybridge, Sandybridge<br>[ 19466.331] (++) using VT number 8<br>
<br>[ 19466.338] (WW) Falling back to old probe method for v4l<br>[ 19466.342] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so<br>[ 19466.343] drmOpenDevice: node name is /dev/dri/card0<br>[ 19466.343] drmOpenDevice: open result is 9, (OK)<br>
[ 19466.343] drmOpenByBusid: Searching for BusID pci:0000:00:02.0<br>[ 19466.343] drmOpenDevice: node name is /dev/dri/card0<br>[ 19466.343] drmOpenDevice: open result is 9, (OK)<br>[ 19466.343] drmOpenByBusid: drmOpenMinor returns 9<br>
[ 19466.343] drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0<br>[ 19466.343] (**) intel(0): Depth 24, (--) framebuffer bpp 32<br>[ 19466.343] (==) intel(0): RGB weight 888<br>[ 19466.343] (==) intel(0): Default visual is TrueColor<br>
[ 19466.343] (II) intel(0): Integrated Graphics Chipset: Intel(R) 965GM<br>[ 19466.343] (--) intel(0): Chipset: "965GM"<br>[ 19466.343] (**) intel(0): Relaxed fencing enabled<br>[ 19466.343] (**) intel(0): Framebuffer tiled<br>
[ 19466.343] (**) intel(0): Pixmaps tiled<br>[ 19466.343] (**) intel(0): 3D buffers tiled<br>[ 19466.343] (**) intel(0): SwapBuffers wait enabled<br>[ 19466.343] (==) intel(0): video overlay key set to 0x101fe<br><br>... And this is what gets dumped to Xorg.0.log when the crash happens:<br>
<br>Backtrace:<br>[ 21390.820] 0: /etc/X11/X (xorg_backtrace+0x37) [0x80e9b77]<br>[ 21390.820] 1: /etc/X11/X (0x8048000+0x5e5fa) [0x80a65fa]<br>[ 21390.820] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xffffe410]<br>[ 21390.820] 3: /usr/lib/xorg/modules/extensions/libglx.so (0xb72b7000+0x36bbc) [0xb72edbbc]<br>
[ 21390.820] 4: /etc/X11/X (FreeClientResources+0xf0) [0x808f230]<br>[ 21390.820] 5: /etc/X11/X (FreeAllResources+0x4c) [0x808f2ec]<br>[ 21390.820] 6: /etc/X11/X (0x8048000+0x1a6c1) [0x80626c1]<br>[ 21390.820] 7: /lib/i686/libc.so.6 (__libc_start_main+0xe6) [0xb7428ca6]<br>
[ 21390.821] 8: /etc/X11/X (0x8048000+0x1a271) [0x8062271]<br>[ 21390.821] Segmentation fault at address 0x118b<br>[ 21390.821] <br>Fatal server error:<br>[ 21390.821] Caught signal 11 (Segmentation fault). Server aborting<br>
[ 21390.821] <br>[ 21390.821] <br>Please consult the The X.Org Foundation support <br> at <a href="http://bugs.mageia.org">http://bugs.mageia.org</a><br> for help.<br>[ 21390.821] Please also check the log file at "/var/log/Xorg.0.log" for additional information.<br>
<br>Has anyone seen something similar to this? I suppose that the next step would be to dig through the X.org bug trackers to see if this correlates to any known issue.<br><br>Thanks for reading.<br><br clear="all">William Tracy<br>
<a href="mailto:afishionado@gmail.com" target="_blank">afishionado@gmail.com</a><br>Cell phone: (805) 704-0917<br>Internet phone: (707) 206-6441<br>
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