Just faced this in syslog while running "shutdown -r": ... Stopping system log daemon.... Asking all remaining processes to terminate...BUG: soft lockup - CPU#0 stuck for 61s! [console-kit-dae:2647] Modules linked in: (none) YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00000000000001000000111100001111 Not tainted r00-03 00040f0f 1068ed58 1013aaf0 8e170440 r04-07 00000000 106f19d0 106f1a24 8e1703dc r08-11 00000050 1068e9d0 00000007 1068e9d0 r12-15 0000000f 40361558 00001000 40049000 r16-19 8ee965a8 00000010 0003ecc0 00000001 r20-23 ffffffff 8ee96288 11147acf 106e19cc r24-27 ffffffff 105df7a8 1068ed8c 1067b1d0 r28-31 0000000e 106e11d0 8e170500 105bcd4e sr00-03 00000000 00000000 00000000 00000029 sr04-07 00000000 00000000 00000000 00000000 IASQ: 00000000 00000000 IAOQ: 1013aaf4 1013aaf8 IIR: 486400d0 ISR: 8e1705c8 IOR: 106f19dc CPU: 0 CR30: 8e170000 CR31: d22344f0 ORIG_R28: 107019d0 IAOQ[0]: vprintk+0x144/0x2d0 IAOQ[1]: vprintk+0x148/0x2d0 RP(r2): vprintk+0x140/0x2d0 Backtrace: [<1013a904>] printk+0x28/0x38 [<10111758>] print_fr+0x110/0x144 [<10111848>] show_regs+0xbc/0x224 [<10110000>] do_page_fault+0x1ac/0x26c [<10112220>] handle_interruption+0x74/0x5e0 [<10116078>] intr_check_sig+0x0/0x34 Kernel panic - not syncing: softlockup: hung tasks Backtrace: [<10111b5c>] show_stack+0x18/0x28 [<101119cc>] dump_stack+0x1c/0x2c [<101398d8>] panic+0x7c/0x1c4 [<1016c878>] softlockup_tick+0x194/0x198 [<10146230>] run_local_timers+0x28/0x38 [<10145f84>] update_process_times+0x38/0x88 [<10112838>] timer_interrupt+0xac/0x180 [<1016d28c>] handle_IRQ_event+0x70/0x150 [<1016d3d8>] __do_IRQ+0x6c/0x1cc [<10112efc>] do_cpu_irq_mask+0x9c/0xd0 [<10116068>] intr_return+0x0/0x4 -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html