System crash in kernel_thread

Wolfgang Denk wd at
Tue Jun 3 20:00:10 EST 2003

Dear Flavio,

in message <742AC4678EF8464697DDDFE3B40F6ECD07E2CD at> you wrote:
> I'm trying to port Linux to a proprietary board. I got u-boot working
> good, and now that I start the kernel I find that the system _halts_
> when it tries to run init using the kernel_thread routine in
> init/main.c/rest_init(). Can someone suggest why this could be
> happening?

One pretty common reason is that your SDRAM  initialization  sequence
may be buggy and/or incomplete, and you experience memory errors. Re-
member that more is required than just adapting the UPM tables.

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at
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And the Lord said "Let There Be Light!"
And still there was nothing, but at least now you could see it.

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