ibook2r2 & strange freeze.

Brice Figureau brice at tincell.com
Sat Apr 26 06:05:52 EST 2003

Hi Benjamin,

On Friday, April 25, 2003, at 07:50 PM, Benjamin Herrenschmidt wrote:
> On Fri, 2003-04-25 at 19:43, Benjamin Herrenschmidt wrote:
>>> By unstable I mean that the computer completely freeze during boot
>>> time,
>>> around the time rc.sysinit is launched. Unfortunately I'm rather new
>>> to
>>> linux kernel so I don't know how to provide more information on the
>>> crash (maybe should I configure the kernel with xmon ?).
>>> In a divide&conquer approach I found that the part of rc.sysinit
>>> which
>>> 'uploads' the console font to the font layer was triggering the
>>> crash.
>> Can you try 2 things and let me know if one of them helps ?
>>  - Compile without CPUFREQ support
>>  - Use video=radeon:noaccel on the command line to disable
>> acceleration
>>    on console
This produced the same hard freeze (I tried every combination of the
two things).

> Also, it would be helpful if you could go backward the kernel
> versions to point when the problem started. You could try
> 2.4.20-ben1. If it doesn't have the problem, then -ben5, etc...
> (do a dichotomy).
Unfortunately there seems to be only from ben3 to ben10 available on
your site.

And fortunately ben3 is *not* affected !
So the problem lies between 4 and 10. I guess my next kernel compile
will be 6.

I'll compile your other patches tomorrow and let you know at which
point it fails.

Many thanks,


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