Hi Mike, You are correct. ROACH1 had a DIMM for the FPGA and a DIMM for the PPC.
ROACH2 has a DIMM for the FPGA and soldered memory for the PPC. Jack On Tue, 19 Mar 2019, 4:13 pm Michael Peel, <[email protected]> wrote: > There is a DIMM, but I thought that was for the FPGA memory, and that the > PowerPC memory was soldered onto the board? Is this more likely to be a > hardware rather than software issue? > > Thanks, > Mike > > > On 19 Mar 2019, at 12:54, Jason Manley <[email protected]> wrote: > > > > roach1 had ppc dimms... roach2 had 'em soldered on? > > > > Jason Manley > > DSP Manager > > SKA-SA > > > > Cell: +27 82 662 7726 > > Work: +27 21 506 7300 > > > >> On 19 Mar 2019, at 17:09, Marc <[email protected]> wrote: > >> > >> This is strange advice so proceed with caution: Maybe take out the > >> dimm, rub its contacts (gently) with an eraser and reseat it ? > >> > >> regards > >> > >> marc > >> > >> On Tue, Mar 19, 2019 at 1:59 PM Michael Peel <[email protected]> > wrote: > >>> > >>> Hi Heystek, > >>> > >>> Thanks for the reply and the link. The memory error appears > immediately after the roach is turned on, before the option to stop the > autoboot appears. Sometimes it does continue a bit beyond that before > stalling, so I’ll look at trying to do a uboot update when it next does > that. > >>> > >>> The links to the images on the webpage don’t work (the casper svn no > longer exists?), are the latest versions stored elsewhere now - perhaps > they the ones on the ska-sa git? > >>> > >>> Thanks, > >>> Mike > >>> > >>> On 17 Mar 2019, at 14:40, Heystek Grobler <[email protected]> > wrote: > >>> > >>> Hey Michael > >>> > >>> Did you try this procedure? > >>> > >>> https://casper.ssl.berkeley.edu/wiki/ROACH_kernel_uboot_update > >>> > >>> Did you manage to solve it? > >>> > >>> Heystek > >>> > >>> On Fri, Mar 15, 2019 at 5:45 PM Michael Peel <[email protected]> > wrote: > >>>> > >>>> Hi all, > >>>> > >>>> I’m currently trying to set up a ROACH2 (for the first time), and > have run into a number of problems. The bottom line is that I’m currently > getting this memory error message: > >>>> > >>>> U-Boot 2011.06-rc2-00000-g2694c9d-dirty (Dec 04 2013 - 20:58:06) > >>>> CPU: AMCC PowerPC 440EPx Rev. A at 533.333 MHz (PLB=133 OPB=66 EBC=66) > >>>> No Security/Kasumi support > >>>> Bootstrap Option C - Boot ROM Location EBC (16 bits) > >>>> 32 kB I-Cache 32 kB D-Cache > >>>> Board: ROACH2 > >>>> I2C: ready > >>>> DRAM: 512 MiB > >>>> Memory error at 00000000, wrote 00000000, read 273218ff ! > >>>> > >>>> This follows from the casperfpga software being able to connect to > the ROACH2, but unable to load the .fpg file onto it. That led to me > attempting to update the romfs using ‘run tftproot’, but it could not get > an IP address from the computer (DHCP/dnsmasq configuration issues on RHEL7 > that I still need to figure out), so it did not run the update. However, > after that I got a kernel panic on the onboard software, so the roach no > longer got to the login stage. > >>>> > >>>> I then created a USB boot drive using: > >>>> > https://github.com/ska-sa/roach2_nfs_uboot/blob/master/roach2-debian-fs-snapshot-24-10-2012.tar.gz > >>>> and tried to boot the roach from that, however it stalled during the > boot process, and on reset I got the above error message. > >>>> > >>>> Any suggestions? > >>>> > >>>> Thanks, > >>>> Mike > >>>> > >>>> -- > >>>> You received this message because you are subscribed to the Google > Groups "[email protected]" group. > >>>> To unsubscribe from this group and stop receiving emails from it, > send an email to [email protected]. > >>>> To post to this group, send email to [email protected]. > >>> > >>> > >>> -- > >>> You received this message because you are subscribed to the Google > Groups "[email protected]" group. > >>> To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > >>> To post to this group, send email to [email protected]. > >>> > >>> > >>> -- > >>> You received this message because you are subscribed to the Google > Groups "[email protected]" group. > >>> To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > >>> To post to this group, send email to [email protected]. > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups "[email protected]" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > >> To post to this group, send email to [email protected]. > > > > -- > > You received this message because you are subscribed to the Google > Groups "[email protected]" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > > To post to this group, send email to [email protected]. > > > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected].
