Bug 8061

Summary:	mageia3a2,tsc: Fast TSC calibration failed
Product:	Mageia	Reporter:	episteme promeneur <epistemepromeneur>
Component:	RPM Packages	Assignee:	Thomas Backlund <tmb>
Status:	RESOLVED WONTFIX	QA Contact:
Severity:	minor
Priority:	Low	CC:	lovaren, thierry.vignaud
Version:	Cauldron
Target Milestone:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Source RPM:	kernel	CVE:
Status comment:

Description episteme promeneur 2012-11-13 11:40:31 CET

Description of problem:


during pc boot iahve this message :

tsc: Fast TSC calibration failed

Comment 1 episteme promeneur 2012-11-13 12:13:50 CET

complete group of messages concerning tsc :

...
hpet clockevent registered
[    0.000000] tsc: Fast TSC calibration failed
[    0.000000] tsc: PIT calibration matches HPET. 1 loops
[    0.000000] tsc: Detected 2611.622 MHz processor
[    0.000000] tsc: Marking TSC unstable due to TSCs unsynchronized
[    0.002004] Calibrating delay loop (skipped), value calculated using timer frequency.. 5223.24 BogoMIPS (lpj=2611622)
[    0.002007] pid_max: default: 32768 minimum: 301
...

Comment 2 Thierry Vignaud 2012-11-14 10:40:20 CET

This is just a warning

Priority: Normal => Low
Status: NEW => RESOLVED
CC: (none) => thierry.vignaud
Resolution: (none) => WONTFIX
Assignee: bugsquad => tmb
Source RPM: (none) => kernel
Severity: normal => minor

Comment 3 Kristoffer Grundström 2013-05-02 18:35:06 CEST

I don't intend to open this, but I see this as soon as I get a picture when booting the installation of the RC-version.

What are warnings there for?

Just wondering.

CC: (none) => kristoffer.grundstrom1983

Comment 4 Thierry Vignaud 2013-05-02 19:07:41 CEST

It means that the kernel don't trust the Time Stamp Counter as a reliable "clock".
See http://en.wikipedia.org/wiki/Time_Stamp_Counter