On Fri, Jan 29, 2010 at 10:21:19AM -0800, Guenter Roeck wrote: > On Fri, Jan 29, 2010 at 01:06:20PM -0500, Ralf Baechle wrote: > > On Fri, Jan 29, 2010 at 09:11:46AM -0800, David Daney wrote: > > > > > >So first question would be: Has anyone successfully loaded a 64 > > > >bit mips kernel with 2.6.32 and a page size of 16k or 64k ? This > > > >would at least help me reducing the problem to sb1. > > > > > > Yes, I routinely run with both 64K and 16K page sizes on 2.6.32 and > > > 2.6.33-rc*. I have not seen any crashes that can not be easily > > > explained. > > > > I can reproduce it with today's 14b7baff3eb4b1b46a592630e6f85ded9264798a. > > 4K page size works ok, 16K without IPv6 works ok and 16K with IPv6 crashes. > > Note, I was testing with a non-16K capable userland so ok means userland is > > reached. > > > Yes, I forgot to mention that IPv6 needs to be enabled. That has nothing to do > with the problem, though. IPv6 enabled just means that the percpu code needs to > allocate more memory. This memory allocation then crashes. > > > Either way, that's good enought to look into things. > > > Did you see the problem on a bcm1250/1480 or with some other mips core ? That was on R10000. Ralf
