[U-Boot] Kernel OOPS on memcpy - bad memory setup?

Wolfgang Denk wd at denx.de
Thu Oct 28 21:15:55 CEST 2010


Dear Kristoffer Ericson,

In message <20101028190714.GD893 at boggieman.bredbandsbolaget.se> you wrote:
>
> > No. U-Boot is long dead and gone when Linux boots.
> 
> Is that true even if I were to setup the memory registers incorrect?

It is truye that U-Boot ceases to exist as soon as Linux starts
executing.

> I thought that linux pretty much expected the bootloader
> to setup everything regarding the memory settings?

Of course Linux relies on proper hardware initialization by the boot
loader.

> Oh, and IF I configured the memory incorrect, I should be able
> to see somekind of fault when doing a memtest in u-boot, correct?

No. Usually this is NOT the case.

> Or atleast that the write != read values?

No. Please read the FAQ:
http://www.denx.de/wiki/DULG/UBootCrashAfterRelocation

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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