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].
