tech-kern: Re: uvm_fault kernel: page fault trap while un-tar-ing a large file

Subject: Re: uvm_fault kernel: page fault trap while un-tar-ing a large file
To: Edgar Fu? <ef@math.uni-bonn.de>
From: Andrew Doran <ad@netbsd.org>
List: tech-kern
Date: 06/22/2007 10:26:53

On Thu, Jun 21, 2007 at 07:03:38PM +0200, Edgar Fu? wrote:
> >uvm_fault(0xffff80004e263b10, 0x10, 2)-> e
> Hm, that second parameter to uvm_fault (0x10) is va (arch/amd64/amd64/ 
> trap.c:489/517).
> That va is trunc_page((vaddr_t)cr2) (arch/amd64/amd64/trap.c:459).
> 
> How on earth can this be 0x10?
> 
> I just double-checked my handwritten notes of the fault, and it's  
> extremely
> unlikely that I omitted several hex digits on that.

Would you be willing to make the crash dump available for someone to look
at? I'm not suggesting that you put it up publically.

Thanks,
Andrew