On Mon, 2007-08-27 at 10:22 +0100, Andy Green wrote: > Somebody in the thread at some point said: > > > I've got a Fedora 7 (x86) system that started exhibiting truly bizarre > > behavior about a week ago. Basically, the clock stopped working. If > > I run 'date' it shows the date/time from a few days earlier, and it > > Recent kernels have become "tickless", a neat idea to stop regular > wakeups hundreds of times a second and save on power. AIUI to track > time it now refers to a hardware "clocksource" to find out time instead > of counting the "tick" interrupts. > > You can find out what hardware clocksources you have on your machine > like this > > cat /sys/devices/system/clocksource/clocksource0/available_clocksource > > For example I get > > hpet hpet acpi_pm jiffies tsc > > (hpet twice? maybe due to dualcore?). You can find out the clocksource > you are currently using here > > cat /sys/devices/system/clocksource/clocksource0/current_clocksource > > hpet is the latest and greatest, but what I would try is to force the > kernel to use something other than it is using at the moment, by > something like this > > clocksource=tsc > > on the kernel commandline, and see if that makes any odds. > > -Andy > But what does the result mean? The result of: cat /sys/devices/system/clocksource/clocksource0/available_clocksource is: acpi_pm pit jiffies tsc What does that tell me? -- ======================================================================= Be wary of strong drink. It can make you shoot at tax collectors and miss. -- Lazarus Long, "Time Enough for Love" ======================================================================= Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@xxxxxxxxxxxxx
