On Sat, 15 Sep 2007 12:58:27 +0200 Ingo Oeser <[email protected]> wrote:
> On Saturday 15 September 2007, Andrew Morton wrote:
> > There are 48 bugs in bugzilla which mention "noapic"
> > http://bugzilla.kernel.org/buglist.cgi?query_format=advanced&short_desc_type=allwordssubstr&short_desc=&long_desc_type=substring&long_desc=noapic&kernel_version_type=allwordssubstr&kernel_version=&bug_status=NEW&bug_status=REOPENED&bug_status=ASSIGNED&emailassigned_to1=1&emailtype1=substring&email1=&emailassigned_to2=1&emailreporter2=1&emailcc2=1&emailtype2=substring&email2=&bugidtype=include&bug_id=&chfieldfrom=&chfieldto=Now&chfieldvalue=®ression=both&cmdtype=doit&order=Reuse+same+sort+as+last+time&field0-0-0=noop&type0-0-0=noop&value0-0-0=
> > And there are 173,000 on the internet ;)
> > http://www.google.com/search?hl=en&q=linux+noapic&btnG=Google+Search
> > We screwed this pooch a long time ago - years. Perhaps if some of the many
> > noapic users could run a bisection search to work out when it broke we
> > could start fixing things. But they all have a workaround so there's no
> > motivation.
> I have 2 SMP-Boards and both need noapic. One is from 2001 (AUSUS CUR-DLS),
> one is from June 2006 (Gigabyte M57SLI-S4).
> There are many reasons:
> 1. Bugs which have such a simple workaround don't get much attention.
> 2. Usually SMP boards are used for machines, which just HAVE to work,
> since they have been expensive. These are not consumer boards.
> 3. I usually had only USB problems (no IRQ), if ommiting noapic.
> USB technology is a cosumer grade technology and enterprise
> grade developers don't have much interest in it (until now?).
> 4. IRQ routing setup is often a BIOS issue. You might be able
> to fix that by upgrading your BIOS. That often needs a Windows
> tool. Linux people not always (want to) have access to Windows :-)
> I reported the all the problems (starting 2001), no developer
> seemed interested.
> I can report them against the latest RC6 kernel tomorrow and put them
> into bugzilla, if we now REALLY care.
I believe that about two years ago we broke something which caused quite a
large number of people to need noapic. Is that the case with any of your
machines? Do you know if they run 2.6.ancient without noapic?
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