On Fri, 2005-10-28 at 15:09 -0400, Claudio Scordino wrote: > Hi all. > > We have a dual-core AMD64 with the new kernel 2.6.14 and the > timer goes backward... > > > CONFIGURATION: > > Kernel: 2.6.14 > Distribution: Gentoo Linux 2005.0 > Processor: Athlon 64 x2 4200+ (dual core) > Motherboard: Abit KN8 > Memory: 1GB PC3200 > > > PROBLEM: > > gettimeofday goes backward and returns values that are not monotonic, > giving values that are smaller than values returned before. > > The system has been tested with timer as PIT, PIT/TSC and PM and the > problem occurs with all the configurations. > > Here is the config file that we used for the PM configuration. > > Any suggestion ? Booting w/ idle=poll tends to work around this issue. You might check with your motherboard vendor for an updated BIOS that supports HPET or the ACPI PM timer. thanks -john -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
