Messages in this thread | | | Date | Mon, 2 Aug 2004 15:19:07 +0530 | From | Dipankar Sarma <> | Subject | CPU hotplug broken in 2.6.8-rc2 ? |
| |
Could it be that recent sched domain stuff broke CPU hotplug ? While testing cpu hotplug with some RCU changes, I got the following panic (while onlining).
Thanks Dipankar
cpu 0x2: Vector: 380 (Data SLB Access) at [c00000000152f4a0] pc: c00000000004b1b0: .find_busiest_group+0x274/0x464 lr: c00000000004b0e4: .find_busiest_group+0x1a8/0x464 sp: c00000000152f720 msr: 8000000000001032 dar: 10 current = 0xc000000001520040 paca = 0xc000000000535200 pid = 0, comm = swapper enter ? for help 2:mon>
2:mon> t [c00000000152f720] c000000000654f30 (unreliable) [c00000000152f830] c00000000004b4cc .rebalance_tick+0x12c/0x2d4 [c00000000152f920] c00000000005b954 .update_process_times+0xc4/0x154 [c00000000152f9c0] c0000000000385e8 .smp_local_timer_interrupt+0x3c/0x58 [c00000000152fa30] c000000000015088 .timer_interrupt+0x11c/0x3fc [c00000000152fb10] c00000000000a2b4 Decrementer_common+0xb4/0x100 --- Exception: 901 (Decrementer) at c000000000013bc0 .default_idle+0x70/0x110 [c00000000152fe90] c0000000000139e4 .cpu_idle+0x38/0x50 [c00000000152ff00] c000000000038e18 .start_secondary+0xfc/0x150 [c00000000152ff90] c00000000000bf20 .enable_64b_mode+0x0/0x28 2:mon> r R00 = 000000000000002b R16 = 0000000000000040 R01 = c00000000152f720 R17 = 0000000000000180 R02 = c0000000006d6d40 R18 = 0000000000000040 R03 = 0000000000000020 R19 = c000000000828e08 R04 = 0000000000000020 R20 = 0000000000000002 R05 = 0000000000000002 R21 = 0000000000000000 R06 = c00000000073f9b0 R22 = 0000000000000000 R07 = 000000000000000b R23 = c00000000152f790 R08 = c0000000006fc728 R24 = c0000000006d5008 R09 = 0000000000000015 R25 = c000000000529c38 R10 = 0000000000000000 R26 = c000000000529c38 R11 = 0000000000000080 R27 = c00000000073f9b0 R12 = 0000000028282482 R28 = 0000000000000001 R13 = c000000000535200 R29 = 0000000000000015 R14 = c00000000073f980 R30 = c0000000005bbe00 R15 = 0000000000000000 R31 = c00000000152f720 pc = c00000000004b1b0 .find_busiest_group+0x274/0x464 lr = c00000000004b0e4 .find_busiest_group+0x1a8/0x464 msr = 8000000000001032 cr = 28282488 ctr = c000000000013b50 xer = 0000000000000000 trap = 380
- 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/
| |