Subject: Re: Yay! VAX working VERY well
To: Tom Ivar Helbekkmo <tih@hamartun.priv.no>
From: Johnny Billquist <bqt@softjar.se>
List: port-vax
Date: 06/04/2007 02:42:53
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I'll do a checkout now, and start a new rebuild...

	Johnny

Tom Ivar Helbekkmo skrev:
> I wrote:
> 
>> Ran into some other trouble along the way, and ended up building from a
>> May 26th -current instead.  With that installed, the system keeps
>> crashing on me -- segfault in kernel mode, with the pagedaemon as the
>> current process.  Didn't do that with the cross-compiled system, so it's
>> either something that changed between April 16th and May 26th, or it's
>> an artifact of the system now running having been built on the VAX, as
>> opposed to being cross-compiled.
> 
> It's to do with swap, it seems.  A simple way I can reproduce it is by
> running bunzip2 on a large, bzip2-ed file.  I'll then watch, using
> top(1), as free memory decreases while file buffering increases.  Once
> free gets town between 500 and 300KB somewhere, the system crashes.  A
> backtrace in the debugger included something like uvm_swapout (I didn't
> write it down), so I figured it might be related to swap.  Did another
> trial run without any swap space on line, and, sure enough, it doesn't
> crash.
> 
> -tih

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt@softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol

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