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Re: amd64 on SU9400



On Thu, Jul 09, 2009 at 06:48:59PM +0100, Patrick Welche wrote:
> I can netboot NetBSD-current/i386 on a system with a SU9400 which according
> to http://ark.intel.com/Product.aspx?id=36697 has a 64-bit instruction set,
> but not NetBSD-current/amd64.
> 
> Despite having NFS, DIAGNOSTIC, DEBUG, LOCKDEBUG, DDB, DDB_ONPANIC=1 in the
> kernel, after "Loading nfs" and the /|\ animation the laptop simply reboots.
> 
> Any ideas given that works with i386?

It works with a kernel compiled from today's source. Could

revision 1.31
date: 2009/07/09 21:43:16;  author: rmind;  state: Exp;  lines: +9 -1
- Fix rare crashe in the intr_lapic_tlb_bcast() handler: save and setup
  %fs on i386, %gs on amd64 registers, before using them.  Otherwise, it
  might be invalid/garbage, eg. IPI can interrupt userspace.

- Explicitly initialize per-CPU emap generation number.

Thanks <drochner> for reporting and testing of patch.


this have fixed it?!

Cheers,

Patrick


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