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* [ISSUE] Skylake CPU cannot enter package states lower than PC3
@ 2021-01-10  9:45 dkwo
  2021-01-11 19:49 ` abenson
                   ` (16 more replies)
  0 siblings, 17 replies; 18+ messages in thread
From: dkwo @ 2021-01-10  9:45 UTC (permalink / raw)
  To: ml

[-- Attachment #1: Type: text/plain, Size: 1413 bytes --]

New issue by dkwo on void-packages repository

https://github.com/void-linux/void-packages/issues/27806

Description:
On my Thinkpad T460s (i5-6300U), even after running `powertop --auto-tune`, the package cannot go below pc3 state. This seems specific to Void, as on Arch Linux it can go below that.
```
$ xuname
Void 5.10.5_1 x86_64-musl GenuineIntel uptodate hold rrnDDFFF
```
```
$ sudo powertop --auto-tune
Password:
modprobe cpufreq_stats failedLoaded 147 prior measurements
RAPL device for cpu 0
RAPL Using PowerCap Sysfs : Domain Mask f
RAPL device for cpu 0
RAPL Using PowerCap Sysfs : Domain Mask f
Devfreq not enabled
glob returned GLOB_NOMATCH
To show power estimates do 192 measurement(s) connected to battery only
Leaving PowerTOP
```
Incidentally, I've been trying to use Arch Linux kernel in Void, with the final goal of pinning this powertop issue down to some kernel config difference between Arch and Void, but while I can successfully build it (after changing some part about signing modules, vary GCC version and add `zstd` as `hostmakedepends`), when I try to boot it fails at decrypting the partition, with
```
encrypted_key: failed to alloc_cypher (-2)
modprobe: ERROR: could not insert 'dm_crypt': Unknown symbol in module, or unknown parameter (see dmesg)
device-mapper: reload ioctl on  failed: Invalid argument
```

Does anyone know what I'm missing?
Thanks.

^ permalink raw reply	[flat|nested] 18+ messages in thread

end of thread, other threads:[~2021-01-21 22:05 UTC | newest]

Thread overview: 18+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-10  9:45 [ISSUE] Skylake CPU cannot enter package states lower than PC3 dkwo
2021-01-11 19:49 ` abenson
2021-01-11 19:52 ` ericonr
2021-01-11 20:29 ` ericonr
2021-01-11 22:41 ` abenson
2021-01-11 23:32 ` abenson
2021-01-12  8:56 ` dkwo
2021-01-13 12:16 ` dkwo
2021-01-13 12:18 ` dkwo
2021-01-13 13:07 ` dkwo
2021-01-13 22:28 ` abenson
2021-01-13 22:29 ` abenson
2021-01-14 10:57 ` dkwo
2021-01-16 15:44 ` dkwo
2021-01-16 15:44 ` [ISSUE] [CLOSED] " dkwo
2021-01-17  2:32 ` travankor
2021-01-17  9:09 ` dkwo
2021-01-21 22:05 ` dkwo

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