Thinkpad R50p ATI xserver hanging freeze sometimes Debian Lenny

Hardware: R50p with ATI Graphic 128MB
01:00.0 VGA compatible controller: ATI Technologies Inc M10 NT [FireGL Mobility T2] (rev 80)
System: Debian Lenny 5.0
Driver: fglrx


  1. install cpufrequtils
    #sudo apt-get install cpufrequtils
  2. edit
     #nano /etc/initrd/cpufrequtils
  3. change line „ondemand“ to „performance“
  4. check System
  5. System show „unstable clocksource“ last line
  6. edit
     #sudo nano /etc/boot/menu.lst
  7. add to Kernelparametes line /vmlinuz-2.6.26-2-686 root=/dev/hda3 ro quiet vga=normal clocksource=acpi_pm
  8. ..reboot

This will run System on max. Speedstep and Videos does’nt hang X-Server.
Should help on other Thinkpads to with ATI Chip’s

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Last Update 08.10.2023 - Nonprofit Linux PC & Server Support since 2004 Tags: Linux Online Help, Linuxonlinehelp, Linux Support, Linux Hilfe