Re: HPPA and lenny
On Tue, Dec 23, 2008 at 01:05:55PM -0700, dann frazier wrote:
> 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...
Build succeeded, my test case is working reliably (building
ncurses-ruby several times), and this fix has been committed.
This change should appear in lenny in the next update - not sure if
this will happen before 5.0r0 or the first point release yet.
--
dann frazier
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