On Tue, 2011-05-17 at 18:28 +0200, Richard Cochran wrote: > Ben, > > Recent 2.6.39-rc kernels behave strangely on the Freescale dual core > mpc8572 and p2020. There is a long pause (like 2 seconds) in the boot > sequence after "mpic: requesting IPIs..." > > When the system comes up, only one core shows in /proc/cpuinfo. Later > on, lots of messages appear like the following: > > INFO: task ksoftirqd/1:9 blocked for more than 120 seconds. > > I bisected [1] the problem to: > > commit c56e58537d504706954a06570b4034c04e5b7500 > Author: Benjamin Herrenschmidt <b...@kernel.crashing.org> > Date: Tue Mar 8 14:40:04 2011 +1100 > > powerpc/smp: Create idle threads on demand and properly reset them > > I don't see from that commit what had gone wrong. Perhaps you can > help resolve this?
Hrm, odd. Kumar, care to have a look ? That's what happens when you don't get me HW to test with :-) Cheers, Ben. > Thanks, > Richard > > > 1. I had to patch commit e5462d16 by hand when bisecting, which is a > fixup for commit fa3f82c8 and not yet merged in c56e5853. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev