Messages in this thread | | | From | Kyle Moffett <> | Date | Fri, 25 Jun 2010 00:02:48 -0400 | Subject | Re: New P2020-based board (mpc85xx) gets "Processor 1 is stuck" on 2.6.34, not on 2.6.32 |
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Oops, put the old linuxppc list on the CC, sorry!
On Thu, Jun 24, 2010 at 23:32, Kyle Moffett <kyle@moffetthome.net> wrote: > Hello, > > I'm working on a new board port for a P2020-based board, and I'm > having problems with my second core not starting up on 2.6.34, even > though it starts up fine on 2.6.32. > > In adding various debugs to mpc85xx_kick_cpu(), it looks like the > virtual address is detected as 0x7ffff280 on both, and it seems to > ioremap it to the same address. Furthermore, both of them get the > "ack" from the other CPU almost immediately (within 1ms). > Unfortunately, after that the second core fails to rendezvous > elsewhere in the SMP code and as a result I get "Processor 1 is > stuck". > > Unfortunately I've had no luck looking through "git log > v2.6.32..v2.6.34 -- arch/powerpc/" by hand, and there are enough > mechanical merge conflicts with my patchset to make "bisection" very > painful (IE: git bisect, git cherry-pick, test, git reset --hard > HEAD^, repeat) > > Any additional suggestions on where to look would be much appreciated. > > Cheers, > Kyle Moffett > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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