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Thread: X Server crashing - Ubuntu 12.10 64-bit

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i installed kubuntu 12.10 64-bit on new server, , got frequent x-server crashes. tried changing desktop environment xubuntu, seems have helped, still getting occasional crashes. seems happen when mmove mouse bottom of screen.

x server backtrace is:

[614732.638] (ee)
[614732.639] (ee) backtrace:
[614732.645] (ee) 0: /usr/bin/x (xorg_backtrace+0x36) [0x7f53256b1b76]
[614732.646] (ee) 1: /usr/bin/x (0x7f5325509000+0x1ac9a9) [0x7f53256b59a9]
[614732.646] (ee) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f532482f000+0xfcb0) [0x7f532483ecb0]
[614732.646] (ee) 3: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f532230f000+0x102e8) [0x7f532231f2e8]
[614732.646] (ee) 4: /usr/lib/xorg/modules/libshadowfb.so (0x7f53212a7000+0x22e1) [0x7f53212a92e1]
[614732.646] (ee) 5: /usr/bin/x (mipaintwindow+0x220) [0x7f5325693bc0]
[614732.646] (ee) 6: /usr/bin/x (miwindowexposures+0xc8) [0x7f5325693d08]
[614732.646] (ee) 7: /usr/bin/x (mihandlevalidateexposures+0x68) [0x7f53256aa088]
[614732.646] (ee) 8: /usr/bin/x (mislideandsizewindow+0x9a2) [0x7f53256aad32]
[614732.646] (ee) 9: /usr/bin/x (0x7f5325509000+0xe43cb) [0x7f53255ed3cb]
[614732.646] (ee) 10: /usr/bin/x (configurewindow+0xbe0) [0x7f532558a060]
[614732.646] (ee) 11: /usr/bin/x (0x7f5325509000+0x50454) [0x7f5325559454]
[614732.646] (ee) 12: /usr/bin/x (0x7f5325509000+0x55a91) [0x7f532555ea91]
[614732.646] (ee) 13: /usr/bin/x (0x7f5325509000+0x4456a) [0x7f532554d56a]
[614732.646] (ee) 14: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7f53234b476d]
[614732.647] (ee) 15: /usr/bin/x (0x7f5325509000+0x448ad) [0x7f532554d8ad]
[614732.647] (ee)
[614732.647] (ee) segmentation fault @ address 0x7f532210f58c
[614732.647]
fatal server error:
[614732.647] caught signal 11 (segmentation fault). server aborting

full x log attached.

got suggestions fix or work around problem?
attached files attached files



Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Desktop Environments X Server crashing - Ubuntu 12.10 64-bit


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