On Sunday 31 December 2006 16:28, Adrian Bunk wrote:
> On Sat, Dec 30, 2006 at 06:29:15PM +0000, Alistair John Strachan wrote:
> > On Saturday 30 December 2006 17:21, Chuck Ebbert wrote:
> > > In-Reply-To: <[email protected]>
> > >
> > > On Sat, 30 Dec 2006 16:59:35 +0000, Alistair John Strachan wrote:
> > > > I've eliminated 2.6.19.1 as the culprit, and also tried toggling
> > > > "optimize for size", various debug options. 2.6.19 compiled with GCC
> > > > 4.1.1 on an Via Nehemiah C3-2 seems to crash in pipe_poll reliably,
> > > > within approximately 12 hours.
> > >
> > > Which CPU are you compiling for? You should try different options.
> >
> > I should, I haven't thought of that. Currently it's compiling for
> > CONFIG_MVIAC3_2, but I could try i686 for example.
> >
> > > Can you post disassembly of pipe_poll() for both the one that crashes
> > > and the one that doesn't? Use 'objdump -D -r fs/pipe.o' so we get the
> > > relocation info and post just the one function from each for now.
> >
> > Sure, no problem:
> >
> > http://devzero.co.uk/~alistair/2.6.19-via-c3-pipe_poll/
> >
> > Both use identical configs, neither are optimised for size. The config is
> > available from the same location.
>
> Can you try enabling as many debug options as possible?
Specifically what? I've already had:
CONFIG_DETECT_SOFTLOCKUP
CONFIG_FRAME_POINTER
CONFIG_UNWIND_INFO
Enabled. CONFIG_4KSTACKS is disabled. Are there any debugging features
actually pertinent to this bug?
--
Cheers,
Alistair.
Final year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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