Hi Colin,
Close it now, this laptop is deceased - unless you think someone else
with the same model is going to come along and provide the info.
Thanks,
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** Changed in: linux (Ubuntu)
Status: Incomplete = Won't Fix
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https://bugs.launchpad.net/bugs/1253734
Title:
HP EliteBook 6930p: scaling_max_freq is less than highest
@Brendan, I will close this bug in a short while as it has not been
updated for nearly 3 months
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Title:
HP EliteBook 6930p: scaling_max_freq is
I got this now, with ignore_ppc: http://paste.ubuntu.com/6513870/
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Title:
HP EliteBook 6930p: scaling_max_freq is less than highest frequencies
So it seems some CPU scaling works on CPU0, but not on CPU1. What are
the values of
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
and
/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_frequencies
with the ignore_ppc=1 setting?
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Since pastebin data can get reaped after a while, the info that's useful
is as follows:
CPU 0: 4 CPU frequency steps supported.
Frequency | Relative Speed | Bogo loops
---++---
2.58 GHz | 100.0 %| 74603
2.58 GHz | 93.6 %| 69857
1.65
Maybe - I noticed that just after booting scaling_max_freq was 2534000,
but it dropped down soon after. I can provide the same logs as before
again and you can check them to make sure that a.) I enabled ignore_ppc
properly and b.) it had the expected effect. Sound ok?
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Either load the machine and check to see the scaling frequencies by
hand, or run:
sudo fwts cpufreq
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Title:
HP EliteBook 6930p:
Brendand, did the ignore_ppc workaround help?
** Changed in: linux (Ubuntu)
Status: In Progress = Incomplete
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Title:
HP EliteBook 6930p:
Can you try the following:
Edit /etc/default/grub (you need to do this using root privilege) and
change
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash
to
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash processor.ignore_ppc=1
and then run:
sudo update-grub
and reboot. Maybe this will work around the issue.
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