Ticket #1 (assigned defect)

Opened 15 years ago

Last modified 14 years ago

Killling cnip2 causes kernel oops

Reported by: kazutomo Owned by: kazutomo
Priority: major Milestone: V1R4 Release
Component: ZeptoOS Version:
Keywords: cqdel cnip2 oops Cc:

Description

Killing cnip2(MPI task) by cqsub always causes kernel oops. This is reproducible. Killing zepto mpi-test haven't caused kernel oops yet.

Here is an oop msg from mmcs console log

SMP NR_CPUS=4 NIP: 8000401C LR: 8000B5B0 CTR: 00000800 REGS: 80ddfac0 TRAP: 0300 Not tainted (2.6.19.2) MSR: 00029000 <EE,ME> CR: 24004082 XER: 00000000 DAR: 012C0000, DSISR: 00000000 TASK = 80dc64c0[110] 'cn-ipfwd' THREAD: 80dde000 CPU: 0 GPR00: 818D5B40 80DDFB70 80DC64C0 012C0000 00000800 00000000 012C0000 00000010 GPR08: 00000220 818D5B40 00012700 00000000 0000000F 0120CD40 7DCEF98C 100C0000 GPR16: 00000000 3246ED2C 7DCEF890 00000001 80260000 82840000 00000960 818A12F4 GPR24: 012C0048 00800000 818D5B40 82C60960 802E69E0 802E2D80 00000000 802E2D80 NIP [8000401C] flush_dcache_icache+0x14/0x40 LR [8000B5B0] update_mmu_cache+0x9c/0xa0 Call Trace: [80DDFB70] [00800000] 0x800000 (unreliable) [80DDFB90] [80056C20] handle_mm_fault+0x798/0x924 [80DDFC00] [8000AD3C] do_page_fault+0x264/0x4d4 [80DDFCD0] [80002204] handle_page_fault+0xc/0x80 [80DDFD90] [8001FF44] printk+0x50/0x60 [80DDFDB0] [80021058] exit_mm+0x24/0xf0 [80DDFDD0] [80022BF8] do_exit+0x120/0x924 [80DDFE20] [80023434] do_group_exit+0x38/0x88 [80DDFE40] [8002E718] get_signal_to_deliver+0x29c/0x37c [80DDFE70] [80007A58] do_signal+0x44/0x604 [80DDFF40] [80002834] do_user_signal+0x74/0xc4 Instruction dump: 4d820020 7c8903a6 7c001bac 38630020 4200fff8 7c0004ac 4e800020 60000000 5463001e 38800800 7c8903a6 7c661b78 <7c00186c> 38630020 4200fff8 7c0004ac Fixing recursive fault but reboot is needed! exit() is called from a compute task. pid=113 tpid=110

Sep 12 16:40:46 (I) [4398370779696] kazutomo:ANL-R00-M1-N00-64

Change History

comment:1 Changed 15 years ago by kazutomo

  • Owner changed from [email protected] to kazutomo
  • Status changed from new to assigned

comment:2 Changed 15 years ago by kazutomo

  • Milestone set to Release before SC08

comment:3 Changed 14 years ago by anonymous

  • Milestone 0 V1R3 release deleted

Milestone 0 V1R3 release deleted

comment:4 Changed 14 years ago by kazutomo

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