Hi all, Last nights boot tests on various PowerPC systems failed like this: calling .numa_group_init+0x0/0x3c @ 1 initcall .numa_group_init+0x0/0x3c returned 0 after 0 usecs calling .numa_init+0x0/0x1dc @ 1 Unable to handle kernel paging request for data at address 0x00001688 Faulting instruction address: 0xc00000000016e154 Oops: Kernel access of bad area, sig: 11 [#1] SMP NR_CPUS=32 NUMA pSeries Modules linked in: NIP: c00000000016e154 LR: c0000000001b9140 CTR: 0000000000000000 REGS: c0000003fc8c76d0 TRAP: 0300 Not tainted (3.4.0-autokern1) MSR: 8000000000009032 <SF,EE,ME,IR,DR,RI> CR: 24044022 XER: 00000003 SOFTE: 1 CFAR: 000000000000562c DAR: 0000000000001688, DSISR: 40000000 TASK = c0000003fc8c8000[1] 'swapper/0' THREAD: c0000003fc8c4000 CPU: 0 GPR00: 0000000000000000 c0000003fc8c7950 c000000000d05b30 00000000000012d0 GPR04: 0000000000000000 0000000000001680 0000000000000000 c0000003fe032f60 GPR08: 0004005400000001 0000000000000000 ffffffffffffc980 c000000000d24fe0 GPR12: 0000000024044024 c00000000f33b000 0000000001a3fa78 00000000009bac00 GPR16: 0000000000e1f338 0000000002d513f0 0000000000001680 0000000000000000 GPR20: 0000000000000001 c0000003fc8c7c00 0000000000000000 0000000000000001 GPR24: 0000000000000001 c000000000d1b490 0000000000000000 0000000000001680 GPR28: 0000000000000000 0000000000000000 c000000000c7ce58 c0000003fe009200 NIP [c00000000016e154] .__alloc_pages_nodemask+0xc4/0x8f0 LR [c0000000001b9140] .new_slab+0xd0/0x3c0 Call Trace: [c0000003fc8c7950] [2e6e756d615f696e] 0x2e6e756d615f696e (unreliable) [c0000003fc8c7ae0] [c0000000001b9140] .new_slab+0xd0/0x3c0 [c0000003fc8c7b90] [c0000000001b9844] .__slab_alloc+0x254/0x5b0 [c0000003fc8c7cd0] [c0000000001bb7a4] .kmem_cache_alloc_node_trace+0x94/0x260 [c0000003fc8c7d80] [c000000000ba36d0] .numa_init+0x98/0x1dc [c0000003fc8c7e10] [c00000000000ace4] .do_one_initcall+0x1a4/0x1e0 [c0000003fc8c7ed0] [c000000000b7b354] .kernel_init+0x124/0x2e0 [c0000003fc8c7f90] [c0000000000211c8] .kernel_thread+0x54/0x70 Instruction dump: 5400d97e 7b170020 0b000000 eb3e8000 3b800000 80190088 2f800000 40de0014 7860efe2 787c6fe2 78000fa4 7f9c0378 <e81b0008> 83f90000 2fa00000 7fff1838 ---[ end trace 31fd0ba7d8756001 ]--- swapper/0 (1) used greatest stack depth: 10864 bytes left Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b I may be completely wrong, but I guess the obvious target would be the sched/numa branch that came in via the tip tree. Config file attached. I haven't had a chance to try to bisect this yet. Anyone have any ideas? -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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