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Re: ARAnyM VMs with Debian hanging at 100% CPU usage



Hi Mikael,

On Fri, Aug 3, 2012 at 10:05 AM, Mikael Pettersson <mikpe@it.uu.se> wrote:
> On Thu, 2 Aug 2012 17:13:49 +0000 (UTC), Thorsten Glaser <tg@mirbsd.de> wrote:
>> Geert Uytterhoeven dixit:
>>
>> >If I'm not mistaken, the warning was just a false positive, so I didn't submit
>> >the fix for stable?
>>
>> Was it just the warning issued, or was there really something
>> wrong with interrupt handling on Atari, that's the question
>> here (which *I* cannot answer). I was under the impression it
>> fixed a warning, too, but Andreas' mail suggested it may have
>> been a fix for interrupt handling or somesuch...
>
> Although the kernel warning turned out to be a false positive, the
> underlying cause was a real bug with real consequences: a CPU-bound
> process could block nfeth interrupts for unbounded periods of time.
>
> (I did describe that in the patch message, but perhaps I didn't
> emphasize it enough.)

Thanks for your explanation, I indeed didn't get it.

Will submit to stable.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds


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