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#1 2007-06-04 03:07:43

Registered: 2007-06-04
Posts: 9

CPU s.l.o.w.


Im installing Duke 2007.05 on a Thinkpad R50e. Everything seemed to be going swimmingly until I downloaded emacs_cvs from AUR and ran makepkg. 10 hours later it is still compiling .el files to .elc.

According to top, the CPU is spending 0-1% of time in userspace, and 99-100% of time idling.
According to cpufreq-info (with "conservative" governor), the CPU is at its minimum 800MHz (max is 1.7G).
Throughout all this time the fan has never roused itself above a gentle breeze.

Why is the CPU not applying itself fully to the task at hand?

I can use FIrefox with no apparent sluggishness; and in the first minute of makepkg I caught cpufreq-info at 1.4GHz.

I'm stumped. What am I missing? Does anyone have any ideas?



in rc.conf:
MODULES = (e100 eepro100 mii ac97_bus snd-mixer-oss snd-pcm-oss snd-page-alloc snd-pcm snd-timer snd snd-ac97-codec snd-intel8x0m soundcore !speedstep_centrino ibm_acpi fan acpi-cpufreq cpufreq-ondemand cpufreq_stats cpufreq_userspace)

DAEMONS = (syslog-ng network netfs crond acpid powernowd powersave cpufreq)

Installing cpufreqd fixed the freqency problem (whoops), but the system still seems to be sleepwalking:



active state:            C3
max_cstate:              C8
bus master activity:     00000000
maximum allowed latency: 8000 usec
    C1:                  type[C1] promotion[C2] demotion[--] latency[001] usage[00000010] duration[00000000000000000000]
    C2:                  type[C2] promotion[C3] demotion[C1] latency[001] usage[00019990] duration[00000000000569598142]
   *C3:                  type[C3] promotion[--] demotion[C2] latency[085] usage[00047757] duration[00000000004069221774]

Does anyone have any ideas on how to change this?

Fixed !
The hostname in my /etc/hosts (localhost@localdomain) did not match the host name in my /etc/rc.conf. When I corrected this, bootstrap-emacs came to life.

Last edited by david (2007-06-12 04:38:47)


#2 2007-06-24 17:43:20

Registered: 2007-06-21
Posts: 65

Re: CPU s.l.o.w.

I'm having a somewhat similar problem in that I cannot get the CPU to max out.  It is a 1.73ghz pentium m.  If i put it into "performance mode", the max it seems to go is 1333mhz.  How can I get it to actually use what it has?


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