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Message-ID: <1326213210.19095.7.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Date: Tue, 10 Jan 2012 17:33:30 +0100 From: Eric Dumazet <eric.dumazet@...il.com> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Martin Schwidefsky <schwidefsky@...ibm.com>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: [BUG] kernel freezes with latest tree Le mardi 10 janvier 2012 à 08:16 -0800, Linus Torvalds a écrit : > > That's one of the merges this window that I sent out a query message > for, because I wasn't happy with it, and stopped at that point waiting > for people to validate the end result. > > Nobody complained about it, but the first thing to try would be one of > my questions about that merge: can you move the call to > > set_cpu_sd_state_idle(); > > (along with the comment above it) in tick_nohz_idle_enter() > (kernel/time/tick-sched.c) to just *below* the "local_irq_disable()"? > > I also questioned the interaction between the sparse cleanups and > usecs_to_cputime64(), but people said they were fine.. But your report > will probably make people double-check. > Hmm, I tried your suggestion but still get a lockup. (please ignore the bnx2 netpoll problem, I'll post a patch on net-next later) [ 106.499348] ------------[ cut here ]------------ [ 106.499348] WARNING: at kernel/watchdog.c:241 watchdog_overflow_callback+0x9c/0xc0() [ 106.499348] Hardware name: ProLiant BL460c G1 [ 106.499348] Watchdog detected hard LOCKUP on cpu 0 [ 106.499348] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 106.499348] Pid: 5727, comm: hackbench Not tainted 3.2.0-05066-g31ae26a-dirty #774 [ 106.499348] Call Trace: [ 106.499348] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.499348] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] ------------[ cut here ]------------ [ 106.499348] WARNING: at kernel/softirq.c:159 local_bh_enable_ip +0x58/0x80() [ 106.499348] Hardware name: ProLiant BL460c G1 [ 106.499348] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 106.499348] Pid: 5727, comm: hackbench Not tainted 3.2.0-05066-g31ae26a-dirty #774 [ 106.499348] Call Trace: [ 106.499348] [<c06048f2>] ? printk+0x1d/0x23 [ 106.499348] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.499348] [<c022ffd8>] ? local_bh_enable_ip+0x58/0x80 [ 106.499348] [<c022ffd8>] ? local_bh_enable_ip+0x58/0x80 [ 106.499348] [<c022a262>] warn_slowpath_null+0x22/0x30 [ 106.499348] [<c022ffd8>] local_bh_enable_ip+0x58/0x80 [ 106.499348] [<c0606e03>] _raw_spin_unlock_bh+0x13/0x20 [ 106.499348] [<c047046b>] bnx2_reg_rd_ind+0x3b/0x50 [ 106.499348] [<c0470493>] bnx2_shmem_rd+0x13/0x20 [ 106.499348] [<c047af03>] bnx2_poll+0x103/0x200 [ 106.499348] [<c04f1c50>] netpoll_poll_dev+0x410/0x4c0 [ 106.499348] [<c02b21b4>] ? __probe_kernel_read+0x24/0x40 [ 106.499348] [<c02eb1d6>] ? __kmalloc_node_track_caller+0xf6/0x1b0 [ 106.499348] [<c04f1e18>] netpoll_send_skb_on_dev+0x118/0x1d0 [ 106.499348] [<c04d3d49>] ? __alloc_skb+0x69/0x110 [ 106.499348] [<c04f17ed>] ? find_skb.clone.30+0x3d/0x90 [ 106.499348] [<c04f209a>] netpoll_send_udp+0x1ca/0x1f0 [ 106.499348] [<f8716214>] write_msg+0x84/0xb0 [netconsole] [ 106.499348] [<f8716190>] ? netconsole_netdev_event+0x190/0x190 [netconsole] [ 106.499348] [<c022a38b>] __call_console_drivers+0x7b/0x90 [ 106.499348] [<c022a3ee>] _call_console_drivers+0x4e/0x80 [ 106.499348] [<c022a813>] console_unlock+0xf3/0x210 [ 106.499348] [<c022ad39>] vprintk+0x2d9/0x3d0 [ 106.499348] [<c02501f9>] ? up+0x29/0x40 [ 106.499348] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c06048f2>] printk+0x1d/0x23 [ 106.499348] [<c0205772>] printk_address+0x32/0x40 [ 106.499348] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c02057b0>] print_trace_address+0x30/0x40 [ 106.499348] [<c02056bc>] print_context_stack+0x7c/0x100 [ 106.499348] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c020474f>] dump_trace+0x7f/0xf0 [ 106.499348] [<c020580c>] show_trace_log_lvl+0x4c/0x60 [ 106.499348] [<c020583f>] show_trace+0x1f/0x30 [ 106.499348] [<c0604778>] dump_stack+0x73/0x7a [ 106.499348] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.499348] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 106.499348] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 106.499348] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 106.499348] [<c02ff240>] ? poll_freewait+0xb0/0xb0 [ 106.499348] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.499348] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 106.499348] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 106.499348] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 106.499348] [<c0205d87>] do_nmi+0xb7/0x350 [ 106.499348] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 106.499348] [<c0259d32>] ? try_to_wake_up+0xa2/0x220 [ 106.499348] [<c0259ec0>] default_wake_function+0x10/0x20 [ 106.499348] [<c024ac50>] autoremove_wake_function+0x20/0x40 [ 106.499348] [<c0252418>] __wake_up_common+0x48/0x70 [ 106.499348] [<c02558b3>] __wake_up_sync_key+0x43/0x60 [ 106.499348] [<c04cf4f8>] sock_def_readable+0x38/0x60 [ 106.499348] [<c0560065>] unix_stream_sendmsg+0x215/0x3a0 [ 106.499348] [<c04cb848>] sock_aio_write+0xf8/0x110 [ 106.499348] [<c02ee6bc>] do_sync_write+0xac/0xf0 [ 106.499348] [<c02ef1e6>] vfs_write+0x126/0x140 [ 106.499348] [<c02ef3e2>] sys_write+0x42/0x70 [ 106.499348] [<c0607c4c>] sysenter_do_call+0x12/0x22 [ 106.499348] ---[ end trace 68da413eff30529e ]--- [ 106.499348] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 106.499348] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 106.499348] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 106.499348] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 106.499348] [<c02ff240>] ? poll_freewait+0xb0/0xb0 [ 106.499348] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.499348] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 106.499348] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 106.499348] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 106.499348] [<c0205d87>] do_nmi+0xb7/0x350 [ 106.499348] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 106.499348] [<c0259d32>] ? try_to_wake_up+0xa2/0x220 [ 106.499348] [<c0259ec0>] default_wake_function+0x10/0x20 [ 106.499348] [<c024ac50>] autoremove_wake_function+0x20/0x40 [ 106.499348] [<c0252418>] __wake_up_common+0x48/0x70 [ 106.499348] [<c02558b3>] __wake_up_sync_key+0x43/0x60 [ 106.499348] [<c04cf4f8>] sock_def_readable+0x38/0x60 [ 106.499348] [<c0560065>] unix_stream_sendmsg+0x215/0x3a0 [ 106.499348] [<c04cb848>] sock_aio_write+0xf8/0x110 [ 106.499348] [<c02ee6bc>] do_sync_write+0xac/0xf0 [ 106.499348] [<c02ef1e6>] vfs_write+0x126/0x140 [ 106.499348] [<c02ef3e2>] sys_write+0x42/0x70 [ 106.499348] [<c0607c4c>] sysenter_do_call+0x12/0x22 [ 106.499348] ---[ end trace 68da413eff30529f ]--- [ 106.551612] ------------[ cut here ]------------ [ 106.551612] WARNING: at kernel/watchdog.c:241 watchdog_overflow_callback+0x9c/0xc0() [ 106.551612] Hardware name: ProLiant BL460c G1 [ 106.551612] Watchdog detected hard LOCKUP on cpu 4 [ 106.551612] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 106.551612] Pid: 5697, comm: hackbench Tainted: G W 3.2.0-05066-g31ae26a-dirty #774 [ 106.551612] Call Trace: [ 106.551612] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.551612] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.551612] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.551612] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 106.551612] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 106.551612] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 106.551612] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 106.551612] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.551612] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 106.551612] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 106.551612] [<c025dee0>] ? find_busiest_group+0x150/0xae0 [ 106.551612] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 106.551612] [<c0205d87>] do_nmi+0xb7/0x350 [ 106.551612] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 106.551612] [<c0606be4>] ? _raw_spin_lock+0x24/0x30 [ 106.551612] [<c025ebc8>] load_balance+0x358/0x500 [ 106.551612] [<c025f092>] idle_balance+0xc2/0x140 [ 106.551612] [<c06060ae>] __schedule+0x4be/0x650 [ 106.551612] [<c02e8485>] ? __slab_free+0x155/0x270 [ 106.551612] [<c06062f5>] schedule+0x35/0x50 [ 106.551612] [<c0604b0d>] schedule_timeout+0x1dd/0x250 [ 106.551612] [<c0560eb0>] ? unix_destruct_scm+0x80/0xa0 [ 106.551612] [<c02e8688>] ? kmem_cache_free+0xe8/0x100 [ 106.551612] [<c04d376d>] ? __kfree_skb+0x3d/0x90 [ 106.551612] [<c04d376d>] ? __kfree_skb+0x3d/0x90 [ 106.551612] [<c04d376d>] ? __kfree_skb+0x3d/0x90 [ 106.551612] [<c024ae88>] ? prepare_to_wait+0x48/0x70 [ 106.551612] [<c05612bd>] unix_stream_recvmsg+0x3ed/0x570 [ 106.551612] [<c024ac30>] ? wake_up_bit+0x30/0x30 [ 106.551612] [<c04cb967>] sock_aio_read+0x107/0x110 [ 106.551612] [<c02ee7ac>] do_sync_read+0xac/0xf0 [ 106.551612] [<c0230407>] ? irq_exit+0x67/0xa0 [ 106.551612] [<c0608349>] ? smp_apic_timer_interrupt+0x59/0x88 [ 106.551612] [<c025b829>] ? sched_clock_cpu+0x109/0x1a0 [ 106.551612] [<c02ef31f>] vfs_read+0x11f/0x130 [ 106.551612] [<c02ef372>] sys_read+0x42/0x70 [ 106.551612] [<c0607c4c>] sysenter_do_call+0x12/0x22 [ 106.551612] ---[ end trace 68da413eff3052a0 ]--- [ 106.642705] ------------[ cut here ]------------ [ 106.642705] WARNING: at kernel/watchdog.c:241 watchdog_overflow_callback+0x9c/0xc0() [ 106.642705] Hardware name: ProLiant BL460c G1 [ 106.642705] Watchdog detected hard LOCKUP on cpu 1 [ 106.642705] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 106.642705] Pid: 5607, comm: hackbench Tainted: G W 3.2.0-05066-g31ae26a-dirty #774 [ 106.642705] Call Trace: [ 106.642705] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.642705] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.642705] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.642705] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 106.642705] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 106.642705] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 106.642705] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 106.642705] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.642705] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 106.642705] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 106.642705] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 106.642705] [<c0205d87>] do_nmi+0xb7/0x350 [ 106.642705] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.642705] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 106.642705] [<c021007b>] ? x86_perf_event_set_period+0xcb/0x210 [ 106.642705] [<c0259d32>] ? try_to_wake_up+0xa2/0x220 [ 106.642705] [<c0259ec0>] default_wake_function+0x10/0x20 [ 106.642705] [<c024ac50>] autoremove_wake_function+0x20/0x40 [ 106.642705] [<c0252418>] __wake_up_common+0x48/0x70 [ 106.642705] [<c02558b3>] __wake_up_sync_key+0x43/0x60 [ 106.642705] [<c04cf4f8>] sock_def_readable+0x38/0x60 [ 106.642705] [<c0560065>] unix_stream_sendmsg+0x215/0x3a0 [ 106.642705] [<c04cb848>] sock_aio_write+0xf8/0x110 [ 106.642705] [<c02ee6bc>] do_sync_write+0xac/0xf0 [ 106.642705] [<c03ae78a>] ? rb_erase+0x16a/0x290 [ 106.642705] [<c0230407>] ? irq_exit+0x67/0xa0 [ 106.642705] [<c0608349>] ? smp_apic_timer_interrupt+0x59/0x88 [ 106.642705] [<c02ef1e6>] vfs_write+0x126/0x140 [ 106.642705] [<c02ef3e2>] sys_write+0x42/0x70 [ 106.642705] [<c0607c4c>] sysenter_do_call+0x12/0x22 [ 106.642705] ---[ end trace 68da413eff3052a1 ]--- [ 107.650001] ------------[ cut here ]------------ [ 107.650001] WARNING: at kernel/watchdog.c:241 watchdog_overflow_callback+0x9c/0xc0() [ 107.650001] Hardware name: ProLiant BL460c G1 [ 107.650001] Watchdog detected hard LOCKUP on cpu 5 [ 107.650001] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 107.650001] Pid: 5844, comm: hackbench Tainted: G W 3.2.0-05066-g31ae26a-dirty #774 [ 107.650001] Call Trace: [ 107.650001] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 107.650001] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 107.650001] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 107.650001] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 107.650001] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 107.650001] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 107.650001] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 107.650001] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 107.650001] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 107.650001] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 107.650001] [<c02a80f0>] ? perf_event_update_userpage+0x10/0x150 [ 107.650001] [<c02a80f0>] ? perf_event_update_userpage+0x10/0x150 [ 107.650001] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 107.650001] [<c0205d87>] do_nmi+0xb7/0x350 [ 107.650001] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 107.650001] [<c025de79>] ? find_busiest_group+0xe9/0xae0 [ 107.650001] [<c025e8df>] load_balance+0x6f/0x500 [ 107.650001] [<c025f092>] idle_balance+0xc2/0x140 [ 107.650001] [<c06060ae>] __schedule+0x4be/0x650 [ 107.650001] [<c030359d>] ? d_hash_and_lookup+0x5d/0x80 [ 107.650001] [<c02880f2>] ? call_rcu_sched+0x12/0x20 [ 107.650001] [<c02880f2>] ? call_rcu_sched+0x12/0x20 [ 107.650001] [<c022c4bd>] ? release_task+0x1dd/0x310 [ 107.650001] [<c06062f5>] schedule+0x35/0x50 [ 107.650001] [<c022d838>] do_exit+0x4f8/0x760 [ 107.650001] [<c02ef1bc>] ? vfs_write+0xfc/0x140 [ 107.650001] [<c022dc88>] sys_exit+0x18/0x20 [ 107.650001] [<c0606f9d>] syscall_call+0x7/0xb [ 107.650001] ---[ end trace 68da413eff3052a2 ]--- [ 106.620008] ------------[ cut here ]------------ [ 106.620008] WARNING: at kernel/watchdog.c:241 watchdog_overflow_callback+0x9c/0xc0() [ 106.620008] Hardware name: ProLiant BL460c G1 [ 106.620008] Watchdog detected hard LOCKUP on cpu 2 [ 106.620008] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 106.620008] Pid: 5876, comm: hackbench Tainted: G W 3.2.0-05066-g31ae26a-dirty #774 [ 106.620008] Call Trace: [ 106.620008] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.620008] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.620008] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.620008] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 106.620008] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 106.620008] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 106.620008] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 106.620008] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.620008] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 106.620008] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 106.620008] [<c0605de7>] ? __schedule+0x1f7/0x650 [ 106.620008] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 106.620008] [<c0205d87>] do_nmi+0xb7/0x350 [ 106.620008] [<c0560e30>] ? unix_seqpacket_recvmsg+0x50/0x50 [ 106.620008] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 106.620008] [<c0606c14>] ? _raw_spin_lock_irqsave+0x24/0x30 [ 106.620008] [<c024ae62>] prepare_to_wait+0x22/0x70 [ 106.620008] [<c04cfb25>] sock_alloc_send_pskb+0x105/0x290 [ 106.620008] [<c024ac30>] ? wake_up_bit+0x30/0x30 [ 106.620008] [<c04cfccd>] sock_alloc_send_skb+0x1d/0x30 [ 106.620008] [<c05600bd>] unix_stream_sendmsg+0x26d/0x3a0 [ 106.620008] [<c04cb848>] sock_aio_write+0xf8/0x110 [ 106.620008] [<c02ee6bc>] do_sync_write+0xac/0xf0 [ 106.620008] [<c02ef1e6>] vfs_write+0x126/0x140 [ 106.620008] [<c02ef3e2>] sys_write+0x42/0x70 [ 106.620008] [<c0607c4c>] sysenter_do_call+0x12/0x22 [ 106.620008] ---[ end trace 68da413eff3052a3 ]--- [ 106.630004] ------------[ cut here ]------------ [ 106.630004] WARNING: at kernel/watchdog.c:241 watchdog_overflow_callback+0x9c/0xc0() [ 106.630004] Hardware name: ProLiant BL460c G1 [ 106.630004] Watchdog detected hard LOCKUP on cpu 7 [ 106.630004] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 106.630004] Pid: 5580, comm: hackbench Tainted: G W 3.2.0-05066-g31ae26a-dirty #774 [ 106.630004] Call Trace: [ 106.630004] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.630004] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.630004] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.630004] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 106.630004] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 106.630004] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 106.630004] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 106.630004] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.630004] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 106.630004] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 106.630004] [<c025b829>] ? sched_clock_cpu+0x109/0x1a0 [ 106.630004] [<c025b829>] ? sched_clock_cpu+0x109/0x1a0 [ 106.630004] [<c02a80f0>] ? perf_event_update_userpage+0x10/0x150 [ 106.630004] [<c02a80f0>] ? perf_event_update_userpage+0x10/0x150 [ 106.630004] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 106.630004] [<c0205d87>] do_nmi+0xb7/0x350 [ 106.630004] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.630004] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 106.630004] [<c025ddc8>] ? find_busiest_group+0x38/0xae0 [ 106.630004] [<c025e8df>] load_balance+0x6f/0x500 [ 106.630004] [<c025f092>] idle_balance+0xc2/0x140 [ 106.630004] [<c06060ae>] __schedule+0x4be/0x650 [ 106.630004] [<c02b4f8f>] ? __free_pages+0x1f/0x40 [ 106.630004] [<c02e65d7>] ? __free_slab+0xa7/0x130 [ 106.630004] [<c02e8485>] ? __slab_free+0x155/0x270 [ 106.630004] [<c02eb1d6>] ? __kmalloc_node_track_caller+0xf6/0x1b0 [ 106.630004] [<c06062f5>] schedule+0x35/0x50 [ 106.630004] [<c0604b0d>] schedule_timeout+0x1dd/0x250 [ 106.630004] [<c0560eb0>] ? unix_destruct_scm+0x80/0xa0 [ 106.630004] [<c02e8688>] ? kmem_cache_free+0xe8/0x100 [ 106.630004] [<c04d376d>] ? __kfree_skb+0x3d/0x90 [ 106.630004] [<c04d376d>] ? __kfree_skb+0x3d/0x90 [ 106.630004] [<c04d376d>] ? __kfree_skb+0x3d/0x90 [ 106.630004] [<c024ae88>] ? prepare_to_wait+0x48/0x70 [ 106.630004] [<c05612bd>] unix_stream_recvmsg+0x3ed/0x570 [ 106.630004] [<c024ac30>] ? wake_up_bit+0x30/0x30 [ 106.630004] [<c04cb967>] sock_aio_read+0x107/0x110 [ 106.630004] [<c02ee7ac>] do_sync_read+0xac/0xf0 [ 106.630004] [<c025b5b2>] ? sched_clock_local+0xe2/0x1e0 [ 106.630004] [<c025b829>] ? sched_clock_cpu+0x109/0x1a0 [ 106.630004] [<c02ef31f>] vfs_read+0x11f/0x130 [ 106.630004] [<c02ef372>] sys_read+0x42/0x70 [ 106.630004] [<c0607c4c>] sysenter_do_call+0x12/0x22 [ 106.630004] ---[ end trace 68da413eff3052a4 ]--- [ 106.755402] ------------[ cut here ]------------ [ 106.755402] WARNING: at kernel/watchdog.c:241 watchdog_overflow_callback+0x9c/0xc0() [ 106.755402] Hardware name: ProLiant BL460c G1 [ 106.755402] Watchdog detected hard LOCKUP on cpu 6 [ 106.755402] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 106.755402] Pid: 5863, comm: hackbench Tainted: G W 3.2.0-05066-g31ae26a-dirty #774 [ 106.755402] Call Trace: [ 106.755402] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.755402] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.755402] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.755402] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 106.755402] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 106.755402] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 106.755402] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 106.755402] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.755402] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 106.755402] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 106.755402] [<c025b5b2>] ? sched_clock_local+0xe2/0x1e0 [ 106.755402] [<c025b784>] ? sched_clock_cpu+0x64/0x1a0 [ 106.755402] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 106.755402] [<c0205d87>] do_nmi+0xb7/0x350 [ 106.755402] [<c025ceb3>] ? check_preempt_wakeup+0xb3/0x180 [ 106.755402] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 106.755402] [<c0259d30>] ? try_to_wake_up+0xa0/0x220 [ 106.755402] [<c0259ec0>] default_wake_function+0x10/0x20 [ 106.755402] [<c024ac50>] autoremove_wake_function+0x20/0x40 [ 106.755402] [<c0252418>] __wake_up_common+0x48/0x70 [ 106.755402] [<c02558b3>] __wake_up_sync_key+0x43/0x60 [ 106.755402] [<c0560399>] unix_write_space+0x49/0x80 [ 106.755402] [<c04cff58>] sock_wfree+0x48/0x50 [ 106.755402] [<c0560eb0>] unix_destruct_scm+0x80/0xa0 [ 106.755402] [<c04d396d>] skb_release_head_state+0x4d/0xe0 [ 106.755402] [<c04d3740>] __kfree_skb+0x10/0x90 [ 106.755402] [<c04d37e7>] consume_skb+0x27/0x70 [ 106.755402] [<c05610b6>] unix_stream_recvmsg+0x1e6/0x570 [ 106.755402] [<c024ac30>] ? wake_up_bit+0x30/0x30 [ 106.755402] [<c04cb967>] sock_aio_read+0x107/0x110 [ 106.755402] [<c02ee7ac>] do_sync_read+0xac/0xf0 [ 106.755402] [<c02ef31f>] vfs_read+0x11f/0x130 [ 106.755402] [<c02ef372>] sys_read+0x42/0x70 [ 106.755402] [<c0607c4c>] sysenter_do_call+0x12/0x22 [ 106.755402] ---[ end trace 68da413eff3052a5 ]--- [ 106.610006] ------------[ cut here ]------------ [ 106.610006] WARNING: at kernel/watchdog.c:241 watchdog_overflow_callback+0x9c/0xc0() [ 106.610006] Hardware name: ProLiant BL460c G1 [ 106.610006] Watchdog detected hard LOCKUP on cpu 3 [ 106.610006] Modules linked in: netconsole xt_hashlimit af_packet tg3 bonding [ 106.610006] Pid: 5887, comm: hackbench Tainted: G W 3.2.0-05066-g31ae26a-dirty #774 [ 106.610006] Call Trace: [ 106.610006] [<c022a212>] warn_slowpath_common+0x72/0xa0 [ 106.610006] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.610006] [<c0281c4c>] ? watchdog_overflow_callback+0x9c/0xc0 [ 106.610006] [<c0281bb0>] ? watchdog_timer_fn+0x170/0x170 [ 106.610006] [<c022a2e3>] warn_slowpath_fmt+0x33/0x40 [ 106.610006] [<c0281c4c>] watchdog_overflow_callback+0x9c/0xc0 [ 106.610006] [<c02a9f9a>] __perf_event_overflow+0x9a/0x240 [ 106.610006] [<c02100c8>] ? x86_perf_event_set_period+0x118/0x210 [ 106.610006] [<c02aa7f5>] perf_event_overflow+0x15/0x20 [ 106.610006] [<c0213639>] intel_pmu_handle_irq+0x129/0x250 [ 106.610006] [<c03a90c8>] ? cpumask_next_and+0x28/0x40 [ 106.610006] [<c020ed80>] perf_event_nmi_handler+0x20/0x30 [ 106.610006] [<c0205d87>] do_nmi+0xb7/0x350 [ 106.610006] [<c0607a99>] nmi_stack_correct+0x28/0x2d [ 106.610006] [<c025ea97>] ? load_balance+0x227/0x500 [ 106.610006] [<c025f092>] idle_balance+0xc2/0x140 [ 106.610006] [<c06060ae>] __schedule+0x4be/0x650 [ 106.610006] [<c025951e>] ? scheduler_ipi+0x7e/0xc0 [ 106.610006] [<c06070de>] ? reschedule_interrupt+0x2a/0x30 [ 106.610006] [<c03b48ba>] ? __copy_from_user_ll_nozero+0x4a/0x80 [ 106.610006] [<c06062f5>] schedule+0x35/0x50 [ 106.610006] [<c0604b0d>] schedule_timeout+0x1dd/0x250 [ 106.610006] [<c024ae88>] ? prepare_to_wait+0x48/0x70 [ 106.610006] [<c04cfb4c>] sock_alloc_send_pskb+0x12c/0x290 [ 106.610006] [<c024ac30>] ? wake_up_bit+0x30/0x30 [ 106.610006] [<c04cfccd>] sock_alloc_send_skb+0x1d/0x30 [ 106.610006] [<c05600bd>] unix_stream_sendmsg+0x26d/0x3a0 [ 106.610006] [<c04cb848>] sock_aio_write+0xf8/0x110 [ 106.610006] [<c02ee6bc>] do_sync_write+0xac/0xf0 [ 106.610006] [<c03ae5dc>] ? rb_insert_color+0xcc/0x110 [ 106.610006] [<c02ef1e6>] vfs_write+0x126/0x140 [ 106.610006] [<c02ef3e2>] sys_write+0x42/0x70 [ 106.610006] [<c0607c4c>] sysenter_do_call+0x12/0x22 [ 106.610006] ---[ end trace 68da413eff3052a6 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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