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SubjectRe: 2.6.21-rc5-mm4
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Date
On Tue, 2007-04-03 at 13:40 -0700, Christoph Lameter wrote:
> On Tue, 3 Apr 2007, Badari Pulavarty wrote:
>
> > On Mon, 2007-04-02 at 22:47 -0700, Andrew Morton wrote:
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc5/2.6.21-rc5-mm4/
> > >
> >
> > SLUB code hangs my ppc64 machine on boot.
>
> Could you enable NMI or something and get me a stackdump? PPC is notorious
> for having strange NUMA issues. Any fallbacks from node 0 on bootstrap? Is
> there memory on node 0?


Seems to be an issue with calibrate_delay() spinning in a tight
loop :(

BTW, machine boots fine with SLAB code - not sure why ?

Thanks,
Badari

SLUB V6: General Slabs=18, HW alignment=128, Processors=8, Nodes=16
cpu 0x0: Vector: 100 (System Reset) at [c000000000723bc0]
pc: c00000000000999c: .calibrate_delay+0x90/0x1a8
lr: c000000000009988: .calibrate_delay+0x7c/0x1a8
sp: c000000000723e40
msr: 8000000000081032
current = 0xc00000000060ef50
paca = 0xc00000000060f800
pid = 0, comm = swapper
enter ? for help
[c000000000723ee0] c0000000005a7900 .start_kernel+0x334/0x3f4
[c000000000723f90] c000000000008524 .start_here_common+0x54/0x130
00 = 00000000ffff8adc R16 = 0000000000000000
R01 = c000000000723e40 R17 = 0000000000000000
R02 = c0000000007207d8 R18 = 0000000000000000
R03 = 0000000000002000 R19 = 4000000001c00000
R04 = 0000000000000001 R20 = c0000000005dc618
R05 = 0000000000000001 R21 = 00000000021dc888
R06 = 0000000000000000 R22 = 0000000000000000
R07 = c00000000063fa38 R23 = c0000000005dc888
R08 = 000000000007ffff R24 = 00000000021dc618
R09 = c000000000736400 R25 = 0000000001a3f9a0
R10 = c000000000766f80 R26 = c000000000758000
R11 = 00000000ffff8adc R27 = c000000000759030
R12 = c000000000647ad0 R28 = c0000000007598b0
R13 = c00000000060f800 R29 = 0000000000000000
R14 = 0000000000000000 R30 = c0000000005f3db8
R15 = 0000000000000000 R31 = c000000000736400
pc = c00000000000999c .calibrate_delay+0x90/0x1a8
lr = c000000000009988 .calibrate_delay+0x7c/0x1a8
msr = 8000000000081032 cr = 24002042
ctr = 0000000000000000 xer = 0000000000000005 trap = 100


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