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Re: kern/39242: NetBSD 4.0 will start busy-loop an hang on machines with more than 4 GB memory
Wolfgang Stukenbrock wrote:
> The following reply was made to PR kern/39242; it has been noted by GNATS.
> From: Wolfgang Stukenbrock <Wolfgang.Stukenbrock%nagler-company.com@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Subject: Re: kern/39242: NetBSD 4.0 will start busy-loop an hang on machines
> with more than 4 GB memory
> Date: Tue, 29 Jul 2008 09:07:09 +0200
> yes it is a E3110 CPU with 6MB cache.
> What files I need to catch from the current and integrate the changes
> into my 4.0-version of netbsd?
> You talk about the "cache detection stuff" AND the file named below.
> I think it would be a real great idea to bring this fix into the
> releases as soon as possible.
> This CPU is "very" cheep compared to the other one's (at least in
> germany) and therefore is very attractive for new systems.
Does rev 1.32 of sys/arch/x86/x86/cpu.c apply cleanly to netbsd-4 ? I
don't recall which bits of which files moved around with x86 recently.
If so, that at least guarantees that a bogus number doesn't get passed
deeper into UVM, and that'll be enough for netbsd-4.
Note also the problem was to do with "half memory used", not "4G of
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