Hi - I have tried to install ubuntu 14.04 and then ubuntu mate 15.04 on a HP worksation xw4100 with intel pentuim4. The machine was running ubuntu 10.04 before without problems.

Both 14.04 and 15.04 worked as live distros but after installing the problem arose when booting at the stage where lightdm should start. It hangs with a garbled image. I can use ctrl, alt f2 to get to console login and then startx loads the desktop on 15.04.

Output of /var/log/Xorg.0.log is attached:

How can I boot normally?

Regards
Mike

Attached Files

Xorg.0.log (47.8 KB, 28 views)

Hardwareinfo?

Did you buy or download the distros?

It appears you have an ATI card installed. First, try adding nomodeset to the bootloader command line.

Check the firmware (linux-firmware, linux-firmware-nonfree) packages, see if your card needs a firmware and if those packages support it (although the detected card looks kind of old, can we see the relevant portion of lspci -v?). Check to see if your distro's fglrx package supports your card. Alternatively, see if ATI's binary drivers support your card (again, maybe too old?).

I downloaded them.

lspci -v output:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Rage 128 PRO AGP 4x TMDS (prog-if 00 [VGA controller])
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Rage 128 Pro AIW AGP
Flags: bus master, stepping, 66MHz, medium devsel, latency 66, IRQ 20
Memory at ec000000 (32-bit, prefetchable) [size=64M]
I/O ports at 1000 [size=256]
Memory at f8500000 (32-bit, non-prefetchable) [size=16K]
[virtual] Expansion ROM at ebe00000 [disabled] [size=128K]
Capabilities: <access denied>

I tried installing fglrx package but it makes no difference.