On Mon, Aug 25, 2008 at 5:21 PM, Dimitry Andric <[EMAIL PROTECTED]> 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. > > As an example, I originally added some multiplier sanity checks here: > http://www.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/est.c#rev1.27 > > John, Is this information good enough or you still need I collect some data? I'm just asking because i don't have a serial console at this machine and it's not so easy to get this kind of data. Thanks -- Renato Botelho _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
