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Re: HPPA and lenny



On Tue, Dec 23, 2008 at 10:47:25AM +0100, Helge Deller wrote:
> dann frazier wrote:
> > On Wed, Dec 17, 2008 at 11:08:59PM +0100, Helge Deller wrote:
> >> dann frazier wrote:
> >>> On Mon, Dec 15, 2008 at 08:30:25PM +0100, Peter Palfrader wrote:
> >>>> Helge Deller schrieb am Montag, dem 15. Dezember 2008:
> >>>>
> >>>>> Matt Taggart wrote:
> >>>>>> The real problem is that no one is fixing hppa kernel problems. I don't see 
> >>>>>> much point in keeping the archive up to date if nobody is working on fixing 
> >>>>>> the kernel (not currently and I suspect not in the future either). This has 
> >>>>>> been stated on the debian-hppa list several times over a long period and in 
> >>>>>> that time no one (AFAIK) has stepped up to work on it.
> >>>>> Matt,
> >>>>>
> >>>>> We have done quite some bugfixing in the last weeks and upstream
> >>>>> 2.6.28-rcX works pretty well now.
> >>>> What does that mean for the lenny 2.6.26 kernel?
> >>> Well, obviously when there's a fix upstream we will look at
> >>> backporting this into 2.6.26.
> >> I've just posted a short analysis of the problem and a proposed kernel
> >> patch in:
> >> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=478717#118
> >>
> >> It fixes the kernel crashes for me and should help to do further
> >> analysis without crashing the running linux kernel.
> >>
> >> The patch (and the problem) needs further discussion on parisc-linux
> >> kernel mailing list though...
> > 
> > Thanks Helge! Just in case its relevant to your investigation, note
> > that this is also an issue when using a pure NPTL environment.
> 
> Just wanted to give a short update -
> After quite some debugging by various parisc kernel developers, it seems
> that buggy TLB flushing code was causing the ruby1.9 build failures /
> kernel crashes and we developed a workaround for now:
> http://permalink.gmane.org/gmane.linux.ports.parisc/1028
> 
> Patch in parisc git tree:
> http://git.kernel.org/?p=linux/kernel/git/kyle/parisc-2.6.git;a=commitdiff;h=378fe7c4cc619b561409206605c723c05358edac;hp=6c4dfa8f8bcf032137aacb3640d7dd9d75b2b607
> 
> I assume this patch solves quite some other issues which were seen as well.

Excellent!

> It would be really nice, if this (preliminary) patch could be included
> in the debian parisc kernel soon...

Doing a test build now...

-- 
dann frazier


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