Bug#433187: linux-2.6 - [sparc64-smp] produces unkillable processes
On Tue, Sep 04, 2007 at 10:46:47AM +0200, Fabio Massimo Di Nitto wrote:
> >>>> We (David Miller and I) are already working on this. We finally got some
> >>>> info dump from a debugging patched kernel and I expect we will have a fix
> >>>> within the next 3/4 weeks.
> >>>> >From our first look it seems like a futex bug and some users have
> >>>> reported that the latest 2.6.23-rcX do not show this behavior. Clearly we
> >>>> also want to figure out a fix for .22.
> >>>>
> >>>> Fabio
> >>> I should mention that lebrun.d.o is still dead since the last attempt
> >>> (ssh unresponsive since 2007-08-30 ~21:25), when it was running a 2.6.22.5
> >>> with one davem patch applied (one line in kernel/futex_compat.c). If you
> >>> need something more done to lebrun, such as kicking it back to life,
> >>> just tell me...
> >>>
> >> If you have console access, it would be good to get a processor dump by break + p.
> >
> > I can easily reproduce that with my Sparc Ultra60 here, which is running
> > as buildd for experimental. The machines has the very same problem. I
> > will try that tonight.
>
> It is also worth checking with .23-rcX since it has been reported to be working.
lebrun.d.o exploded again after a few hours of building under 2.6.23-rc5. :(
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