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].

