Thread: 11.10 to 12.04 laptop upgrade fails with video error

my asus a53b less year old. has radeon hd6470m (512mb) video card came standard.

windows 7 working fine. 11.10 ubuntu working fine.

12:04 wont run in graphics mode.

when upgraded 12:04, looked fine restart , comes "the system running in low-graphics mode". none of options including recovery boot graphics mode - can terminal login.

"archive configuration , log files" yielded lightdm.log these contents:

code:

[+0.00s] debug: logging /var/log/lightdm/lightdm.log  [+0.00s] debug: starting light display manager 1.2.1, uid=0 pid=1047  [+0.00s] debug: loaded configuration /etc/lightdm/lightdm.conf  [+0.00s] debug: using d-bus name org.freedesktop.displaymanager  [+0.00s] debug: registered seat module xlocal  [+0.00s] debug: registered seat module xremote  [+0.00s] debug: adding default seat  [+0.00s] debug: starting seat  [+0.00s] debug: starting new display greeter  [+0.00s] debug: starting local x display  [+0.05s] debug: x server :0 replace plymouth  [+0.08s] debug: using vt 7  [+0.08s] debug: activating vt 7  [+0.08s] debug: logging /var/log/lightdm/x-0.log  [+0.08s] debug: writing x server authority /var/run/lightdm/root/:0  [+0.08s] debug: launching x server  [+0.08s] debug: launching process 1078: /usr/bin/x :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none  [+0.08s] debug: waiting ready signal x server :0  [+0.08s] debug: acquired bus name org.freedesktop.displaymanager  [+0.08s] debug: registering seat bus path /org/freedesktop/displaymanager/seat0  [+0.58s] debug: process 1078 exited return value 1  [+0.58s] debug: x server stopped  [+0.58s] debug: removing x server authority /var/run/lightdm/root/:0  [+0.58s] debug: releasing vt 7  [+0.58s] debug: stopping plymouth, x server failed start  [+0.67s] debug: display server stopped  [+0.67s] debug: stopping display  [+0.67s] debug: display stopped  [+0.67s] debug: stopping x local seat, failed start display  [+0.67s] debug: stopping seat  [+0.67s] debug: seat stopped  [+0.67s] debug: required seat has stopped  [+0.67s] debug: stopping display manager  [+0.67s] debug: display manager stopped  [+0.67s] debug: stopping daemon  [+0.68s] debug: exiting return value 1

the xorg.0.log file quite long here (relevant?) tail -

code:

[    17.403] (**) fglrx(0): noaccel = no  [    17.403] (**) fglrx(0): ati 2d acceleration architecture enabled  [    17.403] (--) fglrx(0): chipset: "amd radeon hd 6320 graphics" (chipset = 0x9806)  [    17.403] (--) fglrx(0): (pcisubvendor = 0x1043, pcisubdevice = 0x101c)  [    17.403] (==) fglrx(0): board vendor info: third party graphics adapter - not original ati  [    17.403] (--) fglrx(0): linear framebuffer (phys) @ 0xb0000000  [    17.403] (--) fglrx(0): mmio registers @ 0xfeb00000  [    17.403] (--) fglrx(0): i/o port @ 0x0000f000  [    17.403] (==) fglrx(0): rom-bios @ 0x000c0000  [    17.449] (ii) fglrx(0): primary v_bios segment is: 0xc000  [    17.451] (ii) loading sub module "vbe"  [    17.451] (ii) loadmodule: "vbe"  [    17.452] (ii) loading /usr/lib/xorg/modules/libvbe.so  [    17.452] (ii) module vbe: vendor="x.org foundation"  [    17.452] 	compiled 1.11.3, module version = 1.1.0  [    17.452] 	abi class: x.org video driver, version 11.0  [    17.452] (ii) fglrx(0): vesa bios detected  [    17.452] (ii) fglrx(0): vesa vbe version 3.0  [    17.453] (ii) fglrx(0): vesa vbe total mem: 16384 kb  [    17.453] (ii) fglrx(0): vesa vbe oem: amd atombios  [    17.453] (ii) fglrx(0): vesa vbe oem software rev: 12.36  [    17.453] (ii) fglrx(0): vesa vbe oem vendor: (c) 1988-2010, amd technologies inc.   [    17.453] (ii) fglrx(0): vesa vbe oem product: wrestler  [    17.453] (ii) fglrx(0): vesa vbe oem product rev: 01.00  [    17.466] (ii) fglrx(0): ati video bios revision 9 or later detected  [    17.466] (--) fglrx(0): video ram: 393216 kbyte, type: ddr3  [    17.466] (ii) fglrx(0): pcie card detected  [    17.466] (--) fglrx(0): using per-process page tables (pppt) gart.  [    17.466] (ww) fglrx(0): board unknown third party board, chipset supported  [    17.466] (--) fglrx(0): (pcisubvendor = 0x1043, pcisubdevice = 0x101c)  [    17.466] (==) fglrx(0): board vendor info: third party graphics adapter - not original ati  [    17.466] (--) fglrx(0): linear framebuffer (phys) @ 0xc0000000  [    17.466] (--) fglrx(0): mmio registers @ 0xfea20000  [    17.466] (--) fglrx(0): i/o port @ 0x0000e000  [    17.466] (==) fglrx(0): rom-bios @ 0x000c0000  [    17.471] (ii) fglrx(0): invalid ati bios int10, adapter not vga-enabled  [    17.472] (ee) fglrx(0): invalid video bios signature!  [    17.472] (ee) fglrx(0): getbiosparameter failed  [    17.472] (ee) fglrx(0): preinitadapter slave 0 failed  [    17.472] (ee) fglrx(0): preinit failed  [    17.472] (ii) fglrx(0): === [xdl_xs111_atiddxpreinit] === end  [    17.472] (ee) fglrx(0): failed shutdown interrupts. error -9  [    17.713] (ii) unloadmodule: "fglrx"  [    17.713] (ii) unloading fglrx  [    17.713] (ii) unloadmodule: "vbe"  [    17.713] (ii) unloading vbe  [    17.713] (ii) unloadmodule: "fglrxdrm"  [    17.713] (ii) unloading fglrxdrm  [    17.713] (ii) unloadmodule: "vgahw"  [    17.713] (ii) unloading vgahw  [    17.713] (ii) unloadmodule: "fglrxdrm"  [    17.713] (ii) unloading fglrxdrm  [    17.713] (ee) screen(s) found, none have usable configuration.  [    17.713]   fatal server error:  [    17.713] no screens found

at stage should point out windows install on laptop (which hardly ever use) working fine.

how can system , running (ideally in 12.04 rather reinstalling 11.10)?

have tried using nomodeset option in?

http://ubuntuforums.org/showthread.php?t=1613132

Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Installation & Upgrades [ubuntu] 11.10 to 12.04 laptop upgrade fails with video error

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