On Monday 25 August 2008 04:21:42 pm Dimitry Andric wrote: > On 2008-08-25 21:27, Renato Botelho wrote: > > cpu0: <ACPI CPU> on acpi0 > > est0: <Enhanced SpeedStep Frequency Control> on cpu0 > > est0: Guessed bus clock (high) of 200 MHz > > > > Fatal trap 18: integer divide fault while in kernel mode > > cpuid = 0; acpi id = 00 > > ... > > panic: integer divide fault > > Unfortunately, there are CPU models around that have MSR_PERF_STATUS > bits that are inconsistent, e.g: > > - The low and high multipliers (bits 31:24 and 15:8) are equal, so if > you subtract them and then divide... boom :) > - Either the low or high multipliers (or both) are zero, which is also > not good, at least not with the current code.
This latter is what is probably the problem. I think I will make this feature just be off by default and people can enable it with a tunable if it helps on their system. -- John Baldwin _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
