http://bugzilla.kernel.org/show_bug.cgi?id=9997
Summary: acpi_cpufreq detects wrong frequencies for Pentium M 715
- Dothan on Acer Travelmate 4001 LMI
Product: ACPI
Version: 2.5
KernelVersion: 2.6.22-14-generic
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Processor
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Latest working kernel version: -
Earliest failing kernel version: 2.6.10, no older kernel tested
Distribution: Ubuntu
Hardware Environment: Acer Travelmate 4001 LMI - M11
Software Environment: Ubuntu 5.04 - 7.10
Problem Description:
On my Notebook (Acer travelmate 4001 LMI-M11) with ubuntu 7.10, my processor
gets identified incorrectly by acpi_cpufreq, this is due a buggy DSDT and
presend since i got the notebook in every kernel version i testet (Starting
with 2.6.10) i alwlays need to manually patch speedstep_centrino to include
special tables for my Dothan cpu. as referenced here
(http://lkml.org/lkml/2007/9/4/58) well, i report it, as it justified linux-phc
for me ATM. if theres any additional info i should provide, please tell me
uname -a
Linux plasmafire 2.6.22-14-generic #1 SMP Tue Dec 18 08:02:57 UTC 2007 i686
GNU/Linux
reported by acpi_cpufreq:
/cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
1600000 1400000 1200000 800000 600000
unloading acpi_cpufreq, manually loading speedstep_centrino with patched
Tables:
600000 800000 1000000 1200000 1500000
[EMAIL PROTECTED]:/sys/devices/system/cpu/cpu0/cpufreq # cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : Intel(R) Pentium(R) M processor 1.50GHz
stepping : 6
cpu MHz : 1500.000
cache size : 2048 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr mce cx8 sep mtrr pge mca cmov pat
clflush dts acpi mmx fxsr sse sse2 ss tm pbe up est tm2
bogomips : 3199.46
clflush size : 64
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