JerryVanBaren schrieb: > Andre Schwarz wrote: >> Huh - problem solved. It's been a memory setup issue :-( >> >> But I still wonder why the error is forced, i.e. happens more often, >> when using network on u-boot. > > If it is a SDRAM (DDR/DDR2) configuration issue, it likely is the DMA > happening from network activity that is aggravating your > misconfiguration. See especially the state machine part of > <http://www.denx.de/wiki/view/DULG/SDRAM> > > Using DMA makes addresses and sequences and timings jump around that > simple program execution (especially if you have cache(s) disabled) > doesn't do. > > [snip] > >> regards, >> Andre > > Best regards, > gvb
of course you're right. But I'd expect the kernel gianfar driver doing at least as much DMA as the u-boot driver ... ;-) After all it's definitely been a memory issue without doubt and all boards are running very stable now. Thanks, Andre MATRIX VISION GmbH, Talstraße 16, DE-71570 Oppenweiler - Registergericht: Amtsgericht Stuttgart, HRB 271090 Geschäftsführer: Gerhard Thullner, Werner Armingeon, Uwe Furtner _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot