6.0_BETA/i386 no longer does MP

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

I just tried to upgrade NetBSD from 5.1_STABLE/i386 to today's netbsd-6
branch (6.0_BETA) on a friend's HP Compaq nc2400 laptop. Said laptop has a

cpu0: Intel Pentium M (Yonah) (686-class), 1197.13 MHz, id 0x6ec
cpu0: features 0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features 0xbfe9fbff<PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX>
cpu0: features 0xbfe9fbff<FXSR,SSE,SSE2,SS,HTT,TM,SBF>
cpu0: features2 0xc1a9<SSE3,MONITOR,VMX,EST,TM2,xTPR,PDCM>
cpu0: features3 0x100000<XD>
cpu0: "Intel(R) Core(TM) Duo CPU      U2500  @ 1.20GHz"
cpu0: I-cache 32KB 64B/line 8-way, D-cache 32KB 64B/line 8-way
cpu0: L2 cache 2MB 64B/line 8-way
cpu0: ITLB 128 4KB entries 4-way, 2 4MB entries fully associative
cpu0: DTLB 128 4KB entries 4-way, 8 4MB entries 4-way
cpu0: Initial APIC ID 0
cpu0: Cluster/Package ID 0
cpu0: Core ID 0
cpu0: family 06 model 0e extfamily 00 extmodel 00

I know that what passes for threading on those isn't highly regarded,
but at least with 5.1_STABLE, with hyperthreading on, the kernel
would boot. With 6.0_BETA it boots with boot -1, but otherwise freezes
at (sadly no serial console)

timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
cpu1: prelint0 0x10000<vector=0x0,delmode=0x0,masked,dest=0x0> 0x0<target=0x0>
cpu1: prelint1 0x10000<vector=0x0,delmode=0x0,masked,dest=0x0> 0x0<target=0x0>
cpu1: timer0 0x10000<vector=0x0,delmode=0x0,masked,dest=0x0> 0x0<target=0x0>
cpu1: lint0 0x10700<vector=0x0,delmode=0x7,masked,dest=0x0> 0x0<target=0x0>
cpu1: lint1 0x400<vector=0x0,delmode=0x4,dest=0x0> 0x0<target=0x0>
cpu1: err0 0x10000<vector=0x0,delmode=0x0,masked,dest=0x0> 0x0<target=0x0>

The uniprocessor boot suggests that

timecounter: Timecounter "TSC" frequency 1197130950 Hz quality 3000

is where the freeze happened.

(The laptop goes away tonight, so I suppose this is more for information...)

Cheers,

Patrick