Re: kern/46208: 6.0_BETA crash (uvm_unmap_remove -> pmap_remove_ptes -> pmap_remove_pte)

[Aleksey Cheusov <cheusov%tut.by@localhost>]

On Fri, Mar 16, 2012 at 1:00 PM, Martin Husemann <martin%duskware.de@localhost> 
wrote:
> The following reply was made to PR kern/46208; it has been noted by GNATS.
>
> From: Martin Husemann <martin%duskware.de@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc:
> Subject: Re: kern/46208: 6.0_BETA crash (uvm_unmap_remove -> pmap_remove_ptes 
> -> pmap_remove_pte)
> Date: Fri, 16 Mar 2012 10:55:45 +0100
>
>  bOn Fri, Mar 16, 2012 at 09:45:00AM +0000, cheusov%tut.by@localhost wrote:
>
>  > System: NetBSD work.imb.invention.com 6.0_BETA NetBSD 6.0_BETA
>  > (GENERIC) #0: Mon Mar 12 17:25:05 FET 2012
>  > 
> cheusov%work.imb.invention.com@localhost:/srv/obj-current/sys/arch/i386/compile/GENERIC
>  > i386
>
>  Was the netbsd-6 source up to date back then?
>  Could you please check if you have src/sys/kern_exec.c rev 1.339.2.3?

Yes, src/sys/kern_exec.c is 1.339.2.3. I doublechecked the problem is
reproducible.
I rebuilt the kernel from scratch, updated it,
rebotted several times and tried to login through xdm.
One of three attempt led to system crash.