Hi, I have the same problem here, i'd also tried with the more recents drivers from amd :
Card; Sapphire 4850x2 Architecture: amd64 DistroRelease: Ubuntu 9.04 NonfreeKernelModules: fglrx Package: xorg-driver-fglrx 2:8.612-0ubuntu1 Backtrace: 0: /usr/X11R6/bin/X(xorg_backtrace+0x26) [0x4f1b66] 1: /usr/X11R6/bin/X(xf86SigHandler+0x41) [0x485a61] 2: /lib/libc.so.6 [0x7fa0d6a7a040] 3: /usr/lib/xorg/modules/drivers//fglrx_drv.so(CAIL_QueryAdditionInfo+0) [0x7fa0d4c727e0] 4: /usr/lib/xorg/modules/drivers//fglrx_drv.so(swlCailGetAsicExtRevID+0xe) [0x7fa0d4c47f1e] 5: /usr/lib/xorg/modules/drivers//fglrx_drv.so [0x7fa0d4c45c1f] 6: /usr/lib/xorg/modules/drivers//fglrx_drv.so(swlDalHelperPreInit+0x15c) [0x7fa0d4c4436c] 7: /usr/lib/xorg/modules/drivers//fglrx_drv.so(atiddxPreInit+0x11e0) [0x7fa0d4c196d0] 8: /usr/X11R6/bin/X(InitOutput+0xdbc) [0x46f99c] 9: /usr/X11R6/bin/X(main+0x20e) [0x433bde] 10: /lib/libc.so.6(__libc_start_main+0xe6) [0x7fa0d6a655a6] 11: /usr/X11R6/bin/X [0x433219] Saw signal 11. Server aborting. ddxSigGiveUp: Closing log 03:00.0 VGA compatible controller: ATI Technologies Inc R700 [Radeon HD 4850] Subsystem: PC Partner Limited Device e870 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at c0000000 (64-bit, prefetchable) [size=256M] Memory at fe8e0000 (64-bit, non-prefetchable) [size=64K] I/O ports at b000 [size=256] Expansion ROM at fe8c0000 [disabled] [size=128K] Capabilities: [50] Power Management version 3 Capabilities: [58] Express Legacy Endpoint, MSI 00 Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [100] Vendor Specific Information <?> Kernel driver in use: fglrx_pci Kernel modules: fglrx 03:00.1 Audio device: ATI Technologies Inc HD48x0 audio Subsystem: PC Partner Limited Device aa30 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at fe8fc000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 3 Capabilities: [58] Express Legacy Endpoint, MSI 00 Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [100] Vendor Specific Information <?> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel 04:00.0 Display controller: ATI Technologies Inc R700 [Radeon HD 4850] Subsystem: PC Partner Limited Device e870 Flags: fast devsel, IRQ 16 Memory at d0000000 (64-bit, prefetchable) [disabled] [size=256M] Memory at fe9e0000 (64-bit, non-prefetchable) [disabled] [size=64K] I/O ports at c000 [disabled] [size=256] Expansion ROM at fe9c0000 [disabled] [size=128K] Capabilities: [50] Power Management version 3 Capabilities: [58] Express Legacy Endpoint, MSI 00 Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [100] Vendor Specific Information <?> Kernel driver in use: fglrx_pci Kernel modules: fglrx 04:00.1 Audio device: ATI Technologies Inc HD48x0 audio Subsystem: PC Partner Limited Device aa30 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at fe9fc000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 3 Capabilities: [58] Express Legacy Endpoint, MSI 00 Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [100] Vendor Specific Information <?> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel ** Attachment added: "Xorg.0.log" http://launchpadlibrarian.net/27095315/Xorg.0.log -- fglrx 8.600 segmentation fault with HD4850X2 and xserver 1.6 https://bugs.launchpad.net/bugs/364180 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to fglrx-installer in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp