Hi, I get this message not always, but often during boot. Here is what #cat /var/log/messages | grep TSC shows me. From november 7th, this message exists. (since update to this kernel: 3.7.0-rc4-4-desktop i686) Nov 11 11:24:40 EeePc-Rob-SFN9 kernel: tsc: Fast TSC calibration failed Nov 11 11:24:40 EeePc-Rob-SFN9 kernel: tsc: Marking TSC unstable due to TSC halts in idle states deeper than C2 EeePc-Rob-SFN9:~ # cat /proc/cpuinfo | grep tsc flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 xtpr pdcm movbe lahf_lm dtherm flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 xtpr pdcm movbe lahf_lm dtherm Is there anything i can/have to do about it? Kind regards. -- Have a nice day, Oddball. OS: Linux 3.7.0-rc4-4-desktop i686 Huidige gebruiker: oddball@EeePc-Rob-SFN9 Systeem: openSUSE 12.2 (i586) KDE: 4.9.3 "release 520" -- To unsubscribe, e-mail: opensuse-kernel+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-kernel+owner@opensuse.org