Laptop won't power off

Nate Lawson nate at root.org
Thu Feb 22 23:11:18 UTC 2007


Pietro Cerutti wrote:
> Hi Lists,
> first off, sorry for cross-posting, but I'm not subscribed to
> freebsd-acpi@, so acpi guys please CC me.
> 
> The problem here is that my laptop doesn't power off when issuing halt
> -p or shutdown -p now.
> This is the machine:
> http://www.msicomputer.com/NB/product_spec.asp?model=MS-1034_(Core2_Duo)
> 
> Any hint is greatly appreciated!
> CPU: Intel(R) Core(TM)2 CPU         T7200  @ 2.00GHz (2000.15-MHz
> 686-class CPU)
>  Origin = "GenuineIntel"  Id = 0x6f6  Stepping = 6
>  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> 
>  Features2=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,<b9>,CX16,<b14>,<b15>>
>  AMD Features=0x20100000<NX,LM>
>  AMD Features2=0x1<LAHF>
>  Cores per package: 2

Try disabling SMP so only 1 core is running.  Build a kernel without SMP
option or at loader prompt type:

set hint.apic.0.disabled="1"

-- 
Nate


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