svn commit: r199067 - in head/sys: amd64/amd64 i386/i386

[Ed Schouten]

Hi Jun,

* Jun Kuriyama <kuriyama at FreeBSD.org> wrote:
> You can try with hw.clflush_disable="1" in loader.conf.  If you can
> boot with it, I must be mistaken something (anyway its my fault).

For some reason that switch doesn't seem to have any effect. Reverting the
patch makes my system boot again.

> Can you show me CPUID line at boot message (of course from the kernel
> you can boot) like this?

Sure. These two systems seem to lock up:

Apple MacBook3,1:

| CPU: Intel(R) Core(TM)2 Duo CPU     T7500  @ 2.20GHz (2194.52-MHz K8-class CPU)
|   Origin = "GenuineIntel"  Id = 0x6fb  Stepping = 11
|   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,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
|   AMD Features=0x20100800<SYSCALL,NX,LM>
|   AMD Features2=0x1<LAHF>
|   TSC: P-state invariant

Dell SC440:

| CPU: Intel(R) Pentium(R) Dual  CPU  E2160  @ 1.80GHz (1795.51-MHz K8-class CPU)
|   Origin = "GenuineIntel"  Id = 0x6fd  Stepping = 13
|   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=0xe39d<SSE3,DTES64,MON,DS_CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM>
|   AMD Features=0x20100800<SYSCALL,NX,LM>
|   AMD Features2=0x1<LAHF>
|   TSC: P-state invariant

-- 
 Ed Schouten <ed at 80386.nl>
 WWW: http://80386.nl/
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 196 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/svn-src-all/attachments/20091110/61009fec/attachment.pgp