I am a little surprised by this. It's looking more and more like you
might have a bad board. We are willing to help you debug it if you can
ship it to us.
Jason
On 18 Nov 2009, at 04:46, Kjetil Wormnes wrote:
Hi Jason,
thanks for your email. All your help getting our systems up and
runn
Hi Jason,
thanks for your email. All your help getting our systems up and running
is very much appreciated.
I have upgraded to the latest version of uBoot as per your suggestion.
I also reinstalled the latest filesystem I could find;
filesystem_etch_2009_10_28_tgtap.bz
Unfortunately, it sti
Hi Kjetil
Since decreasing the bus speed back to the normal 66.67MHz (133MHz
memory) and using registered DIMMs, we have not had any further memory
troubles. This has been checked on 5 different ROACH boards from
production run 1 and 2. Dave's even put one of the boards in a burn-in
bootl
Hi again Jason,
thanks again. Swapping to the FPGA dimm did indeed get me to the uboot
prompt (although with the same memory errormessages along the way).
However I have not been able to then proceed to boot the kernel, but
this may be because I now have no memory available to the FPGA. It ma
Hi Kjetil.
We have occasionally observed a similar problem here. Uboot tries to
"learn" the required memory timing when booting. Sometimes it fails.
It seems to be due to aggressive bus timing and poor signal integrity.
Switching to registered DIMMs (like the one the FPGA uses) solves that
Hi all,
new week, new problem.
I tried to boot my Roach board this morning after not touching it for
about 1.5 weeks. This time however it didn't get to the uBoot prompt. It
hangs at the memory test. Interestingly there has been no change from
before when it did boot. Anyway; this is what is
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