Messages in this thread | | | Subject | Re: 2.6.21-rc5-mm4 | From | Badari Pulavarty <> | Date | Tue, 03 Apr 2007 15:53:32 -0700 |
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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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