linuxppc_2_4_devel, rc1 and rc2 problem.

[Joakim Tjernlund]

>
> Sending this to the embedded list as well.
>
>  Jocke
> > On Wed, Nov 20, 2002 at 07:55:35PM +0100, Joakim Tjernlund wrote:
> > >
> > > > >
> > > > > hmm, my i2c stuff got into rc2 (and uart too?). I see this on rc2 AND rc1, but NOT in pre8.
> > > > > No, I have not tried to port it to vanilla 2.4.x. It requires some work to do that.
> > > >
> > > > They both made it in post rc1 I think, yes.  Try going back carefully
> > > > via bk changes and bk export -tr1.xxxxx (find when
> > > > /home/.../linuxppc_2_4 was merged into /home/.../linuxppc_2_4_devel).
> > >
> > > The error ocurres between changeset 1.1130 - 1.1137.
> > > I forgot to mention that the error only happens on a 862,100Mhz, 16KB icache, 8KB dcache.
> > > My 860,80Mz does not show the problem.
> > >
> > > Idea's ?
> >
> > Can you narrow down the ChangeSet it occured at a bit?
>
> Aaargh, now I am getting it in pre8 as well. However I have made
> some progress:
>
> I have 2 custom boards one mpc862(100Mhz, 16KB icache, 8KB dcache) and a
> mpc860(80Mz,4KB icache, 4KB dcache). If I overclock the mpc860 to 100MHz I get
> the same problem. If I set the clock on both boards to 95MHz all is well. If I overclock
> the mpc862 to 105 MHz it works fine.
>
> It turns out that syslog is actually running after the error. If I stop syslog and
> start it again it works fine. If adjust my script so klogd is started before
> syslogd all is well to.
>
> This looks like a race somewhere to me, but i have no clue as to where.
>
> Anyone?
>
>     Jocke

hmm, if I upgrade the JFFS2 filesystem to CVS HEAD, the problem goes away.

   Jocke


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