On Tue, 2013-12-24 at 20:39 +0400, Pavel Vasilyev wrote: > 24.12.2013 19:47, Mike Galbraith пишет: > > On Mon, 2013-12-23 at 23:50 +0100, Sebastian Andrzej Siewior wrote: > > > crash> bt > > PID: 508 TASK: ffff8802739ba340 CPU: 16 COMMAND: "ksoftirqd/16" > > YES!!! And ARM code broke :) And NO_HZ_TICK config survived for only 4.5 hours. PID: 6948 TASK: ffff880272d1f1c0 CPU: 29 COMMAND: "tbench" #0 [ffff8802769a6a40] machine_kexec at ffffffff8103bc07 #1 [ffff8802769a6aa0] crash_kexec at ffffffff810d3e93 #2 [ffff8802769a6b70] panic at ffffffff815bce70 #3 [ffff8802769a6bf0] watchdog_overflow_callback at ffffffff810fd51d #4 [ffff8802769a6c10] __perf_event_overflow at ffffffff8112f1f8 #5 [ffff8802769a6ca0] perf_event_overflow at ffffffff8112fb14 #6 [ffff8802769a6cb0] intel_pmu_handle_irq at ffffffff8102078f #7 [ffff8802769a6de0] perf_event_nmi_handler at ffffffff815c2de5 #8 [ffff8802769a6e10] nmi_handle at ffffffff815c2493 #9 [ffff8802769a6ea0] default_do_nmi at ffffffff815c2623 #10 [ffff8802769a6ed0] do_nmi at ffffffff815c2948 #11 [ffff8802769a6ef0] end_repeat_nmi at ffffffff815c1931 [exception RIP: preempt_schedule+36] RIP: ffffffff815be944 RSP: ffff8802769a3d98 RFLAGS: 00000002 RAX: 0000000000000010 RBX: 0000000000000010 RCX: 0000000000000002 RDX: ffff8802769a3d98 RSI: 0000000000000018 RDI: 0000000000000001 RBP: ffffffff815be944 R8: ffffffff815be944 R9: 0000000000000018 R10: ffff8802769a3d98 R11: 0000000000000002 R12: ffffffffffffffff R13: ffff880273f74000 R14: ffff880272d1f1c0 R15: ffff880269cedfd8 ORIG_RAX: ffff880269cedfd8 CS: 0010 SS: 0018 --- <RT exception stack> --- #12 [ffff8802769a3d98] preempt_schedule at ffffffff815be944 #13 [ffff8802769a3db0] _raw_spin_trylock at ffffffff815c0d6e #14 [ffff8802769a3dc0] rt_spin_lock_slowunlock_hirq at ffffffff815c0288 #15 [ffff8802769a3de0] rt_spin_unlock_after_trylock_in_irq at ffffffff815c09e5 #16 [ffff8802769a3df0] run_local_timers at ffffffff81068025 #17 [ffff8802769a3e10] update_process_times at ffffffff810680ac #18 [ffff8802769a3e40] tick_sched_handle at ffffffff810c3a92 #19 [ffff8802769a3e60] tick_sched_timer at ffffffff810c3d2f #20 [ffff8802769a3e90] __run_hrtimer at ffffffff8108471d #21 [ffff8802769a3ed0] hrtimer_interrupt at ffffffff8108497a #22 [ffff8802769a3f70] local_apic_timer_interrupt at ffffffff810349e6 #23 [ffff8802769a3f90] smp_apic_timer_interrupt at ffffffff810358ee #24 [ffff8802769a3fb0] apic_timer_interrupt at ffffffff815c955d --- <IRQ stack> --- #25 [ffff880269ced848] apic_timer_interrupt at ffffffff815c955d [exception RIP: _raw_spin_lock+53] RIP: ffffffff815c0c05 RSP: ffff880269ced8f8 RFLAGS: 00000202 RAX: 0000000000000b7b RBX: 0000000000000282 RCX: ffff880272d1f1c0 RDX: 0000000000000b7d RSI: ffff880269ceda38 RDI: ffff880273f74000 RBP: ffff880269ced8f8 R8: 0000000000000001 R9: 00000000b54d13a4 R10: 0000000000000001 R11: 0000000000000001 R12: ffff880269ced910 R13: ffff880276d32170 R14: ffffffff810c9030 R15: ffff880269ced8b8 ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018 #26 [ffff880269ced900] rt_spin_lock_slowlock at ffffffff815bfb51 #27 [ffff880269ced9e0] rt_spin_lock at ffffffff815c0922 #28 [ffff880269ced9f0] lock_timer_base at ffffffff81067f92 #29 [ffff880269ceda20] mod_timer at ffffffff81069bcb #30 [ffff880269ceda70] sk_reset_timer at ffffffff814d1e57 #31 [ffff880269ceda90] inet_csk_reset_xmit_timer at ffffffff8152d4a8 #32 [ffff880269cedac0] tcp_rearm_rto at ffffffff8152d583 #33 [ffff880269cedae0] tcp_ack at ffffffff81534085 #34 [ffff880269cedb60] tcp_rcv_established at ffffffff8153443d #35 [ffff880269cedbb0] tcp_v4_do_rcv at ffffffff8153f56a #36 [ffff880269cedbe0] __release_sock at ffffffff814d3891 #37 [ffff880269cedc10] release_sock at ffffffff814d3942 #38 [ffff880269cedc30] tcp_sendmsg at ffffffff8152b955 #39 [ffff880269cedd00] inet_sendmsg at ffffffff8155350e #40 [ffff880269cedd30] sock_sendmsg at ffffffff814cea87 #41 [ffff880269cede40] sys_sendto at ffffffff814cebdf #42 [ffff880269cedf80] tracesys at ffffffff815c8b09 (via system_call) RIP: 00007f0441a1fc35 RSP: 00007fffdea86130 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: ffffffff815c8b09 RCX: ffffffffffffffff RDX: 000000000000248d RSI: 0000000000607260 RDI: 0000000000000004 RBP: 000000000000248d R8: 0000000000000000 R9: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffdea86a10 R13: 00007fffdea86414 R14: 0000000000000004 R15: 0000000000607260 ORIG_RAX: 000000000000002c CS: 0033 SS: 002b -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html