TLB Miss booting linux kernel on ppc 405

Robert Woodworth rwoodworth at
Thu Feb 21 08:24:06 EST 2008

Have you solved your problem??

I'm having the *EXACT* same problem on a Virtex4FX60.
The device is configured with PLBv46/MPMC3/LL_TEMAC.

I'm under the suspicion that the PLB is issuing an error when switching
to virtual mode and that there is either a timing/synthesis error or a
fundamental error with the way the FPGA is getting synthesized with the


On Wed, 2008-02-13 at 12:02 -0700, David Baird wrote:
> On Feb 13, 2008 11:49 AM, Ricardo Ayres Severo <severo.ricardo at> wrote:
> > Executing without single step the exception doesn't occurs. But at
> > __log_buf I get only trash, even after reseting the processor.
> > How can I send some characters to uartlite on asm code?
> Great.  This confirms that I am not crazy.  You are having similar
> results as I did.  But I still don't yet know why single-step and
> memory read can't be used in virtual mode...

More information about the Linuxppc-embedded mailing list