[U-Boot-Users] Need help booting linux on IBM 405EP eval board
wd at denx.de
Tue Apr 6 00:21:55 CEST 2004
In message <email@example.com> you wrote:
> In fact, there are messages there which probably point to the root cause.
> I've got a lot of messages like this, I'll just type in the first couple:
> ack overflow in process c0162030, r1=c0162450
> <2>Kernel stack overlow in process c0162030, r1=c01622b0
> <4>Data machine check in kernel mode
> and lots more stuff like that but I presume the first messages are earliest
> and are the root cause.
Actually these are not the first messages; the ring buffer wrapped
around. Try resetting the board faster, and/or increasing the log_buf
size in your kernel configuration.
> Without fully understanding this, this sounds like my stack isn't getting
> set up correctly. Is that U-Boot's responsibility? Any pointers as to where
> I'd start looking at that?
Linux will set up it's own stack; assuming you pass correct
parameters to Linux (correct memory start address and size) it is
most likely that your RAM is not working correctly.
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
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