Connectrix Brocade B-serie: DS-6520B switch kernel panic: Oeps: Uitzondering in kernelmodus, sig: 5 [#1]
Summary: De schakelaar zal in paniek raken of de schakelaar kan zonder paniek blijven hangen.
Symptoms
Schakelaar raakte in paniek vanwege een van de volgende tekenreeksen hieronder (de stacktrace voor het probleem kan variëren) Zoek naar de gemarkeerde lijnen hieronder in stacktrace om te controleren of u een bekend probleem ondervindt. Errdump: [HAM-1004], 35107/3919, CHASSIS, INFO, switchname, Processor rebooted - Software Fault:Kernel Panic., reboot.c, kernel BUG in ppc_booke_sw_wdt_heartbeat at drivers/char/watchdog/booke_wdt.c:120! PDSHOW: Oeps: Uitzondering in kernelmodus, sig: 5 [#1] NIP: 401416A0 LR: 401416A0 SP: 40313760 REGS: 403136b0 TRAP: 0700 DBCR0:00000000 Tainted: P MSR: 00021200 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 00 TASK = 402cf750[0] 'swapper' THREAD: 40310000 Last syscall: 120 GPR00: 401416A0 40313760 402CF750 00000004 00000001 00000000 00000000 000000000 GPR08: 402D0000 00021200 00000000 4030D3F0 00000000 10019C14 C262ADB8 C2630000 GPR16: 00000000 00000000 C7600000 00000620 00000001 C8010000 40335300 40340000 GPR24: 40330000 40340000 00001234 28002222 40330000 40330000 403137B0 40330000 NIP [401416a0] ppc_booke_sw_wdt_heartbeat+0xc0/0xc8 LR [401416a0] ppc_booke_sw_wdt_heartbeat+0xc0/0xc8 Oproeptracering: 40313770 [40004618] timer_interrupt+0x1c4/0x208 403137A0 [40002B4C] ret_from_except+0x0/0x18 40313860 [C251FCC4]c3_rte_error_handler+0x25c/0x978 [condor3_module] 403138F0 [c23cca84] c3_rte_error_intr_service+0x124/0x1dc [condor3_module] 40313960 [C23D1CAC] c3_error_intr_service+0x127c/0x2fcc [condor3_module] 40313c70 [c23d5df0] c3_intr_handler+0x3a4/0x6f8 [condor3_module] 40313D10 [C23E3E3C] c3_hi_service+0x7c/0x7a8 [condor3_module] 40313DB0 [C23E468C] asic_c3_hi_service+0x124/0x19c [condor3_module] 40313dd0 [c2598b64] asic_hi_tasklet+0xb4/0x108 [condor3_module] 40313e00 [400270b8] tasklet_hi_action+0x78/0xe4 40313E20 [40026b80] __do_softirq+0xb0/0x148 40313e60 [40026c70] do_softirq+0x58/0x60 40313e70 [400044f4] timer_interrupt+0xa0/0x208 40313EA0 [40002B4C] ret_from_except+0x0/0x18 40313F60 [4026D8A8] Schema+0x668/0x75c 40313FA0 [400042cc] default_idle+0x38/0x48 40313FB0 [40004304] cpu_idle+0x28/0x44 40313fc0 [40001928] rest_init+0x28/0x38 40313FD0 [40314674] start_kernel+0x170/0x1a8 40313ff0 [40000370] skpinv+0x2a0/0x2dc Volgende sp 0! Twee andere mogelijke afwijkingen in stacktrace voor hetzelfde probleem: LR [401414cc] ppc_booke_sw_wdt_heartbeat+0xc0/0xc8 Oproeptracering:_ 92227620 [40004618] _timer_interrupt+0x1c4/0x208 92227650 [40002b4c] _ret_from_except+0x0/0x18 92227710 [c1b27594] _c3_edb_error_intr_service+0x28/0xd04 [condor3_module] 922277B0 [C19A308C] _c3_error_intr_service+0xee8/0x2fcc [condor3_module] 92227AC0 [C19A73D4] _c3_intr_handler+0x3a4/0x6f8 [condor3_module] 92227b60 [c19b5180] _c3_hi_service+0x7c/0x754 [condor3_module] 92227c00 [c19b597c] _asic_c3_hi_service+0x124/0x19c [condor3_module] 92227c20 [c1b5b598] _asic_hi_tasklet+0xb4/0x108 [condor3_module] 92227c50 [400270b8] _tasklet_hi_action+0x78/0xe4 92227c70 [40026b80] ___do_softirq+0xb0/0x148 OF NIP [401416a0] ppc_booke_sw_wdt_heartbeat+0xc0/0xc8 LR [401416a0] ppc_booke_sw_wdt_heartbeat+0xc0/0xc8 Oproeptracering: 89a275a0 [40004618] timer_interrupt+0x1c4/0x208 89a275d0 [40002b4c] ret_from_except+0x0/0x18 89a27690 [c24e9800] c3_ftb_drp_dps_update_from_cache+0x4c/0x220 [condor3_module] 89a276d0 [c24e9c88] c3_ftb_drp_dps_perr_recov+0x1c4/0x204 [condor3_module] 89a276f0 [c24e9eac] c3_ftb_parity_recov+0xd0/0xf4 [condor3_module] 89a27720 [c23cd08c] c3_ftb_error_intr_service+0x1a4/0x24c [condor3_module] 89a27790 [c23d1cfc] c3_error_intr_service+0x12cc/0x2fcc [condor3_module] 89a27aa0 [c23d5df0] c3_intr_handler+0x3a4/0x6f8 [condor3_module] 89a27b40 [c23e3e3c] c3_hi_service+0x7c/0x7a8 [condor3_module] 89A27BE0 [C23E468C] asic_c3_hi_service+0x124/0x19c [condor3_module] 89a27c00 [c2598b64] asic_hi_tasklet+0xb4/0x108 [condor3_module] 89a27c30 [400270b8] tasklet_hi_action+0x78/0xe4 89a27c50 [40026b80] __do_softirq+0xb0/0x148 89a27c90 [40026c70] do_softirq+0x58/0x60
Cause
Dit is alleen van invloed op op C3 gebaseerde platforms met MPC8548 de DS-6520B-switch.
Dit is Brocade DEFECT000623098.
Resolution
upgrade naar Fabric OS 8.1.0, 8.0.2a, 7.4.2 en 7.4.1-CEE-e3.
Vanaf mei 2017 heeft Dell EMC Fabric OS 8.1.0a en 7.4.2 uitgebracht, die de oplossing voor dit probleem bevatten.