Am Mittwoch 15 Mai 2013, 18:32:34 schrieb John David Anglin: > On 15-May-13, at 3:34 PM, Rolf Eike Beer wrote: > > Am Mittwoch 15 Mai 2013, 20:16:21 schrieb Helge Deller: > >> Hi Meelis, > >> > >> On 05/15/2013 08:59 AM, Meelis Roos wrote: > >>>>> It did not work - first a __schedule_bug, > >>>> > >>>> I assume you have CONFIG_PREEMPT enabled? We know it's currently > >>>> broken. > >>> > >>> It is already disabled: > >>> > >>> CONFIG_PREEMPT_NONE=y > >>> # CONFIG_PREEMPT_VOLUNTARY is not set > >>> # CONFIG_PREEMPT is not set > >>> CONFIG_PREEMPT_COUNT=y > >>> > >>> I just enabled the new irqstacks... > >> > >> Ok, the good thing is, that I got today a rp5470 with which I could > >> reproduce your problems. > >> > >> The bad thing is: > >> Beside CONFIG_PREEMPT, CONFIG_DISCONTIGMEM is broken too. > > > > My C8000 runs 3.7.3 happily, so it must have happened after that. > > I suspect that you actually have to have discontiguous memory to > trigger the bug. The C8000 has discontigmem. I can easily see if it is working or not: if I only have 1GB of RAM available it doesn't work. But I have all 2GB of RAM available. Eike
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