Hi there, When I start X (or start kdm), I get a segmentation fault and no X.
The Xorg-log says: [ 8675.702] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32 [ 8675.702] (==) NVIDIA(0): RGB weight 888 [ 8675.702] (==) NVIDIA(0): Default visual is TrueColor [ 8675.702] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0) [ 8675.702] (**) NVIDIA(0): Option "TwinViewOrientation" "LeftOf" [ 8675.703] (**) NVIDIA(0): Option "AddARGBGLXVisuals" [ 8675.703] (**) NVIDIA(0): Option "UseEvents" "false" [ 8675.703] (**) NVIDIA(0): Enabling 2D acceleration [ 8676.186] (II) NVIDIA(GPU-0): Display (Samsung SyncMaster (DFP-0)) does not support NVIDIA [ 8676.186] (II) NVIDIA(GPU-0): 3D Vision stereo. [ 8676.253] (II) NVIDIA(GPU-0): Display (Eizo L565 (DFP-1)) does not support NVIDIA 3D Vision [ 8676.253] (II) NVIDIA(GPU-0): stereo. [ 8676.255] (II) NVIDIA(0): NVIDIA GPU GeForce 7600 GT (G73) at PCI:1:0:0 (GPU-0) [ 8676.255] (--) NVIDIA(0): Memory: 262144 kBytes [ 8676.255] (--) NVIDIA(0): VideoBIOS: 05.73.22.18.00 [ 8676.255] (II) NVIDIA(0): Detected PCI Express Link width: 16X [ 8676.255] (--) NVIDIA(0): Interlaced video modes are supported on this GPU [ 8676.255] (--) NVIDIA(0): Valid display device(s) on GeForce 7600 GT at PCI:1:0:0 [ 8676.255] (--) NVIDIA(0): CRT-0 [ 8676.255] (--) NVIDIA(0): CRT-1 [ 8676.255] (--) NVIDIA(0): TV-0 [ 8676.255] (--) NVIDIA(0): Samsung SyncMaster (DFP-0) (connected) [ 8676.255] (--) NVIDIA(0): Eizo L565 (DFP-1) (connected) [ 8676.255] (--) NVIDIA(0): CRT-0: 400.0 MHz maximum pixel clock [ 8676.255] (--) NVIDIA(0): CRT-1: 400.0 MHz maximum pixel clock [ 8676.255] (--) NVIDIA(0): TV-0: 400.0 MHz maximum pixel clock [ 8676.255] (--) NVIDIA(0): TV encoder: Unknown [ 8676.255] (--) NVIDIA(0): Samsung SyncMaster (DFP-0): 330.0 MHz maximum pixel clock [ 8676.255] (--) NVIDIA(0): Samsung SyncMaster (DFP-0): Internal Dual Link TMDS [ 8676.255] (--) NVIDIA(0): Eizo L565 (DFP-1): 165.0 MHz maximum pixel clock [ 8676.255] (--) NVIDIA(0): Eizo L565 (DFP-1): Internal Single Link TMDS [ 8676.255] (**) NVIDIA(0): Using HorizSync/VertRefresh ranges from the EDID for display [ 8676.255] (**) NVIDIA(0): device Samsung SyncMaster (DFP-0) (Using EDID frequencies [ 8676.255] (**) NVIDIA(0): has been enabled on all display devices.) [ 8676.255] (**) NVIDIA(0): Using HorizSync/VertRefresh ranges from the EDID for display [ 8676.255] (**) NVIDIA(0): device Eizo L565 (DFP-1) (Using EDID frequencies has been [ 8676.255] (**) NVIDIA(0): enabled on all display devices.) [ 8676.255] (II) NVIDIA(0): Validated MetaModes: [ 8676.255] (II) NVIDIA(0): "DFP-0:nvidia-auto-select,DFP-1:nvidia-auto- select" [ 8676.255] (II) NVIDIA(0): Virtual screen size determined to be 3200 x 1200 [ 8676.256] (WW) NVIDIA(0): Unable to support custom viewPortOut 1920 x 1080 +0 +60 [ 8676.256] (WW) NVIDIA(0): Unable to support custom viewPortOut 1920 x 1080 +0 +60 [ 8676.256] (--) NVIDIA(0): DPI set to (93, 95); computed from "UseEdidDpi" X config [ 8676.256] (--) NVIDIA(0): option [ 8676.256] (**) NVIDIA(0): Enabling 32-bit ARGB GLX visuals. [ 8676.256] (--) Depth 24 pixmap format is 32 bpp [ 8676.262] (II) NVIDIA(0): Setting mode "DFP-0:nvidia-auto- select,DFP-1:nvidia-auto-select" [ 8676.286] (EE) [ 8676.286] (EE) Backtrace: [ 8676.286] (EE) 0: X (xorg_backtrace+0x34) [0x5cd634] [ 8676.286] (EE) 1: X (0x400000+0x1d1ca9) [0x5d1ca9] [ 8676.286] (EE) 2: /lib64/libpthread.so.0 (0x7fe689cb0000+0x10810) [0x7fe689cc0810] [ 8676.286] (EE) 3: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0x11643b) [0x7fe6841ee43b] [ 8676.286] (EE) 4: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0x72773) [0x7fe68414a773] [ 8676.286] (EE) 5: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0xeaa01) [0x7fe6841c2a01] [ 8676.286] (EE) 6: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0xe30e4) [0x7fe6841bb0e4] [ 8676.286] (EE) 7: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0xe3820) [0x7fe6841bb820] [ 8676.286] (EE) 8: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0x9447b) [0x7fe68416c47b] [ 8676.286] (EE) 9: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0x8fedb) [0x7fe684167edb] [ 8676.286] (EE) 10: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0xde8f6) [0x7fe6841b68f6] [ 8676.286] (EE) 11: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0x56f6bb) [0x7fe6846476bb] [ 8676.286] (EE) 12: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7fe6840d8000+0x5609f1) [0x7fe6846389f1] [ 8676.286] (EE) 13: X (AddScreen+0x75) [0x43ddb5] [ 8676.286] (EE) 14: X (InitOutput+0x3ec) [0x48b20c] [ 8676.286] (EE) 15: X (0x400000+0x29910) [0x429910] [ 8676.286] (EE) 16: /lib64/libc.so.6 (__libc_start_main+0xec) [0x7fe68890a4cc] [ 8676.286] (EE) 17: X (0x400000+0x2a22d) [0x42a22d] [ 8676.286] (EE) [ 8676.286] (EE) Segmentation fault at address 0x30 [ 8676.286] Fatal server error: [ 8676.286] Caught signal 11 (Segmentation fault). Server aborting [ 8676.286] [ 8676.286] (EE) Please consult the The X.Org Foundation support Additionally, dmesg has a line , which might be relevant 8648.219781] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 304.88 Wed Mar 27 14:26:46 PDT 2013 [ 8665.063246] NVRM: Xid (0000:01:00): 6, PE0000 1a74 65c2d922 00000000 ca92dda4 00000000 The card in question is a GeForce 7600GT, PCI-E on a Asus F2A55-M with a AMD 5500 CPU and 8GB RAM. Kernel 3.8.18, nvidia-drivers 304.88 (Last to support the GeForce7600, newer drivers do not support it any more). Any ideas? Thanks Alex