Re: au1000_lowlevel_probe on au1000_eth.c

[Ulrich Eckhardt <eckhardt@satorlaser.com>]

On Tuesday 27 June 2006 00:14, Rodolfo Giometti wrote:
> I notice that during sleep/wakeup au1000_lowlevel_probe() tries to
> access to variables arcs_cmdline,prom_envp & Co.. This sometime does
> an oops.
>
> What I like to understand is if I simply have to skip accessing to
> these variables during wake up or I have to save them during system
> boot or what...?

What is the _right_ thing is difficult to answer, but the reasons for the oops 
are simple (at least they were on the platform I used): you have more than 
one device connected to the same system bus. In my case, it was the boot-PROM 
and (I think) the PCMCIA memory. So, in practice one could only access one of 
the two and you had to toggle between them. I'm not sure it is worth the 
hassle of toggling (and doing so in an orderly fashion!), I'd rather parse 
the PROM once and then store the results in RAM.

HTH

Uli

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