Hi, The Kernel oopses is seen while running the kernbench followed by tbench with 2.6.25-rc2-git4 kernel on powerpc, this oops was reported for the 2.6.24-rc8-mm1 kernel (http://lkml.org/lkml/2008/1/18/71) and is visible with almost all of the main line ,rc(s) and their git(s) release from then.
This oops is visible in the linux-next-20080220 kernel also.The machine is power4+ box with four cpus and has 30 GB RAM. oops while running kernbench ----------------------------- Oops: Kernel access of bad area, sig: 11 [#1] SMP NR_CPUS=32 NUMA pSeries Modules linked in: NIP: 0000000000004570 LR: 000000000ff0135c CTR: 000000000ff012f0 REGS: c000000771a678c0 TRAP: 0300 Not tainted (2.6.25-rc2-autotest-next-20080220) MSR: 8000000000001000 <ME> CR: 28000282 XER: 00000000 DAR: c000000771a67ce0, DSISR: 000000000a000000 TASK = c00000077b9d2c00[22046] 'cc1' THREAD: c000000771a64000 CPU: 3 GPR00: 0000000000004000 c000000771a67b40 0000000000000052 000000000000d032 GPR04: 0000000000000052 0000000000000400 00000000106823e0 000000000000000e GPR08: 0000000000000000 0000000044000288 c000000771a67e30 0000998be2321500 GPR12: 8000000000001030 c0000000005d7e00 0000000010030000 0000000010030000 GPR16: 00000000105b0000 00000000105b0000 0000000010440000 00000000105b0000 GPR20: 00000000105b0000 00000000105b0000 00000000105b0000 00000000105b0000 GPR24: 00000000105b41e8 0000000000000020 00000000105b0000 0000000000000400 GPR28: 000000000ffec408 00000000f7ff8000 000000000ffebff4 0000000000000400 NIP [0000000000004570] 0x4570 LR [000000000ff0135c] 0xff0135c Call Trace: [c000000771a67b40] [c00000000062d558] 0xc00000000062d558 (unreliable) [c000000771a67e08] [00000000f7ff8000] 0xf7ff8000 Instruction dump: 48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX ---[ end trace 26a7439b76b3cbab ]--- oops while running tbench -------------------------- Unable to handle kernel paging request for data at address 0xc00000077e2e3ce0 Faulting instruction address: 0x00004570 Oops: Kernel access of bad area, sig: 11 [#2] SMP NR_CPUS=32 NUMA pSeries Modules linked in: NIP: 0000000000004570 LR: c00000000000872c CTR: 0000000000000000 REGS: c00000077e2e38c0 TRAP: 0300 Tainted: G D (2.6.25-rc2-autotest-next-20080220) MSR: 8000000000001000 <ME> CR: 28022822 XER: 20000000 DAR: c00000077e2e3ce0, DSISR: 000000000a000000 TASK = c00000077cb55800[3900] 'zmd' THREAD: c00000077e2e0000 CPU: 3 GPR00: 0000000000000000 c00000077e2e3b40 c0000000006a29b8 000000000000006e GPR04: 000000000fe7bac8 0000000054022888 0000000000004000 000000000fe7bae4 GPR08: 000000000000d032 0000000044022824 c00000077e2e3e30 0000998be2321500 GPR12: 8000000000001030 c0000000005d7e00 0000000000000001 0000000000000000 GPR16: 0000000000000000 00000000f7c16708 00000000f7fa0800 00000000100e0040 GPR20: 00000000f7ffe018 0000000000000001 00000000f5397550 00000000f5397548 GPR24: 0000000000000000 0000000000004a19 00000000f7d66474 00000000f53975a8 GPR28: 0000000000000000 0000000000009433 000000000fe94ff4 00000000f7d66490 NIP [0000000000004570] 0x4570 LR [c00000000000872c] syscall_exit+0x0/0x40 Call Trace: [c00000077e2e3b40] [00000496000729b8] 0x496000729b8 (unreliable) Instruction dump: 48000000 XXXXXXXX XXXXXXXX XXXXXXXX 41820008 XXXXXXXX XXXXXXXX XXXXXXXX 48000010 XXXXXXXX XXXXXXXX XXXXXXXX f92101a0 XXXXXXXX XXXXXXXX XXXXXXXX The machine -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
