Thanks for the information. I'll see if I can root cause it. LMT is basic
enough that it cannot cause a bug by itself. Issue to resolve is is which
knob, being tweaked by LMT, is triggering a bug elsewhere in the kernel.

On my machine the cpufreq module of LMT is marked as "auto". With that,
following is my lsmod result:

01:08:04 rrs@champaran:~/Community/Packaging/pkg-fcoe/fcoe-utils (master)$
lsmod | grep -i cpu
acpi_cpufreq           12935  1
mperf                  12453  1 acpi_cpufreq
cpufreq_stats          12866  0
cpufreq_userspace      12576  0
cpufreq_conservative    13147  0
cpufreq_powersave      12454  0
xt_tcpudp              12570  25
x_tables               19028  16
ebtables,ipt_MASQUERADE,iptable_nat,xt_CHECKSUM,iptable_mangle,xt_hl,ip6t_rt,ipt_REJECT,xt_limit,xt_tcpudp,xt_addrtype,xt_state,ip6table_filter,ip6_tables,iptable_filter,ip_tables
processor              27949  3 acpi_cpufreq


Can you confirm the contents of /etc/laptop-mode/conf.d/cpufreq.conf ?
And by the way, how persistent is the bug you are seeing? On my laptop, the
issue is intermittent.


On Wednesday, December 28, 2011, Jardi A. Martinez J. wrote:

> Hi,
> I tried to [rmmod acpi_cpufreq] module but it showed that it was in used
> and I don't know how to figure out what programs/services are using it.
> So this is what I did:
>
> -I started my laptop on recovery mode and then [lsmod | grep cpufreq]
> didn't show any module loaded. Then I made sure that laptop-mode was off
> and [shutdown -h now] my laptop with my laptop running on battery and my
> laptop went off as expected.
>
> -Then I started my laptop again on recovery mode and ran
> [/etc/init.d/laptop-mode start], with laptop mode on then I did [lsmod |
> grep cpufreq] which didn't show any loaded module again. After that I
> typed [shutdown -h now] and there it was the weird behavior again, my
> laptop restarted right after going off when my fingerprint reader light
> came on.
>
> So, my impression is that it has something to do with laptop-mode-tools
> package.
>
> Thanks,
> Jardi.
>
>
>
>

-- 
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."

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