Re: NetBSD-current on Acer Aspire One

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Fri, Oct 03, 2008 at 12:01:27AM -0300, Thiago Luz Basilio wrote:
> What doesn't work:
> ..> CPU identification, SpeedStep[3]

Can you try to build a kernel with the attached patch? The BIOS might
have disabled EST.

Joerg

Index: identcpu.c
===================================================================
RCS file: /home/joerg/repo/netbsd/src/sys/arch/x86/x86/identcpu.c,v
retrieving revision 1.9
diff -u -p -r1.9 identcpu.c
--- identcpu.c  2 Jun 2008 14:41:41 -0000       1.9
+++ identcpu.c  3 Oct 2008 11:08:55 -0000
@@ -758,6 +758,8 @@ cpu_identify(struct cpu_info *ci)
        if (cpu_feature2 & CPUID2_EST) {
                if (rdmsr(MSR_MISC_ENABLE) & (1 << 16))
                        est_init(cpu_vendor);
+               else
+                       printf("EST disabled by BIOS\n");
        }
 #endif /* ENHANCED_SPEEDSTEP */