Re: [casper] Roach-2 crashing fix

2015-07-28 Thread Marc Welz
So I confess to relying on third parties for this information, but isn't the board populated with 1Gb RAM after all ? Would the crash be trigged by a kernel memory layout of 3Gb+1Gb rather than 2Gb+2Gb ? Have you tried the kernel from 9 months ago at github ska-sa/roach2_nfs_uboot ? regards

Re: [casper] Roach-2 crashing fix

2015-07-28 Thread David MacMahon
Hi, Marc, On Jul 28, 2015, at 1:34 AM, Marc Welz wrote: So I confess to relying on third parties for this information, but isn't the board populated with 1Gb RAM after all ? When U-Boot starts up it reports that the system has 512 KB of memory. I assume (uh-oh!) that uboot is detecting

Re: [casper] Roach-2 crashing fix

2015-07-28 Thread John Ford
So I confess to relying on third parties for this information, but isn't the board populated with 1Gb RAM after all ? Would the crash be trigged by a kernel memory layout of 3Gb+1Gb rather than 2Gb+2Gb ? Certainly if the kernel thinks the layout of memory isn't what it really is it could

Re: [casper] Roach-2 crashing fix

2015-06-30 Thread Jack Hickish
Hi all, To close out this thread, a fix is to add a mem= option to uboot's bootargs variable --- 1. Connect a PC to the ROACH2's FTDI USB port using a usb A-B cable. 2. Open a serial console on the roach 2 using minicom/picocom/your-favourite-serial-console. The interface settings are

[casper] Roach-2 crashing fix

2015-06-24 Thread John Ford
Hi all. We were having problems with multiple sequentail progdev calls failing on our ROACH-2 systems. We were testing multiple bof files in a loop, and the roach would fall over and crash completely, and after the kernel panic, it would reboot itself. After a great deal of concentrated