Messages in this thread | | | Date | Thu, 8 May 2008 16:13:55 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: 2.6.25.2 - Jiffies/Time jumping back and forth (Regereesion from 2.6.24) |
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On Thu, 8 May 2008, Martin Knoblauch wrote: > on two different systems running 2.6.25.2: > > ibm x3650(2xDualCore) > ------------------------------------- > [root@lpsdm60 ~]# cat /sys/devices/system/clocksource/clocksource0/available_clocksource > tsc hpet acpi_pm jiffies > [root@lpsdm60 ~]# cat /sys/devices/system/clocksource/clocksource0/current_clocksource > tsc > > HP Proliant DL-380G4 (2xSingleCore) > ------------------------------------------------------------ > [root@lpsdm52 ~]# cat /sys/devices/system/clocksource/clocksource0/available_clocksource > tsc hpet acpi_pm jiffies > [root@lpsdm52 ~]# cat /sys/devices/system/clocksource/clocksource0/current_clocksource > tsc > > and on the DL380G4 running 2.6.24: > --------------------------------------------------------- > [root@lpsdm52 ~]# cat /sys/devices/system/clocksource/clocksource0/available_clocksource > hpet acpi_pm jiffies tsc > [root@lpsdm52 ~]# cat /sys/devices/system/clocksource/clocksource0/current_clocksource > hpet
So on 2.6.24 the TSC is declared unstable at some point and 2.6.25 thinks it works fine. Is this the same kernel config (aside of the 24/25 fuzz) ?
Thanks, tglx
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