On Sun, Nov 6, 2016 at 2:56 PM, Anatoly Pugachev <matorola@xxxxxxxxx> wrote: > Hello! > > We've got kernel cpu lockup after running for about 3.5 days > (machine/ldom is a buildd instance for debian ports for sparc64 arch). > > Kernel is built from git 0c183d92b20b5c84ca655b45ef57b3318b83eb9e > > Nov 06 13:17:34 landau kernel: Watchdog detected hard LOCKUP on cpu 1 > Nov 06 13:17:34 landau kernel: ------------[ cut here ]------------ > Nov 06 13:17:34 landau kernel: WARNING: CPU: 1 PID: 45713 at > arch/sparc/kernel/nmi.c:80 perfctr_irq+0x2ec/0x340 > Nov 06 13:17:34 landau kernel: [478B blob data] > Nov 06 13:17:34 landau kernel: CPU: 1 PID: 45713 Comm: llvm-nm Not > tainted 4.9.0-rc3+ #1 > Nov 06 13:17:34 landau kernel: Call Trace: > Nov 06 13:17:34 landau kernel: [00000000004670a0] __warn+0xc0/0xe0 > Nov 06 13:17:34 landau kernel: [00000000004670f4] warn_slowpath_fmt+0x34/0x60 > Nov 06 13:17:34 landau kernel: [00000000009943ec] perfctr_irq+0x2ec/0x340 > Nov 06 13:17:34 landau kernel: [00000000004209f4] tl0_irq15+0x14/0x20 > Nov 06 13:17:34 landau kernel: [0000000000993afc] > _raw_spin_lock_irqsave+0x1c/0x40 > Nov 06 13:17:34 landau kernel: [000000000057cd08] pagevec_lru_move_fn+0x68/0xe0 > Nov 06 13:17:34 landau kernel: [000000000057e0f0] lru_add_drain_cpu+0x110/0x120 > Nov 06 13:17:34 landau kernel: [000000000057e38c] lru_add_drain+0xc/0x20 > Nov 06 13:17:34 landau kernel: [00000000005a8bb8] unmap_region+0x18/0xc0 > Nov 06 13:17:34 landau kernel: [00000000005aa7c4] do_munmap+0x1e4/0x380 > Nov 06 13:17:34 landau kernel: [00000000005ab9d0] mmap_region+0xf0/0x5a0 > Nov 06 13:17:34 landau kernel: [00000000005ac1f4] do_mmap+0x374/0x400 > Nov 06 13:17:34 landau kernel: [000000000058e1a0] vm_mmap_pgoff+0x60/0xa0 > Nov 06 13:17:34 landau kernel: [00000000005a9f64] SyS_mmap_pgoff+0xa4/0x240 > Nov 06 13:17:34 landau kernel: [000000000042efd4] SyS_mmap+0x54/0x80 > Nov 06 13:17:34 landau kernel: [00000000004061f4] linux_sparc_syscall+0x34/0x44 > Nov 06 13:17:34 landau kernel: ---[ end trace 9fdbc358eb6eb335 ]--- another one: Nov 07 09:01:32 landau: INFO: task kworker/42:2:239256 blocked for more than 120 seconds. Nov 07 09:01:32 landau: Not tainted 4.9.0-rc3+ #1 Nov 07 09:01:32 landau: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 07 09:01:32 landau: kworker/42:2 D 0000000000992e70 0 239256 2 0x07000000 Nov 07 09:01:32 landau: Workqueue: cgroup_destroy css_free_work_fn Nov 07 09:01:32 landau: Call Trace: Nov 07 09:01:32 landau: [0000000000990304] schedule+0x24/0xa0 Nov 07 09:01:32 landau: [0000000000992e70] schedule_timeout+0x210/0x360 Nov 07 09:01:32 landau: [0000000000990d74] wait_for_common+0x94/0x140 Nov 07 09:01:32 landau: [0000000000990e38] wait_for_completion+0x18/0x40 Nov 07 09:01:32 landau: [00000000004cefb4] _rcu_barrier+0x194/0x1e0 Nov 07 09:01:32 landau: [00000000004cf030] rcu_barrier+0x10/0x20 Nov 07 09:01:32 landau: [0000000000597734] release_caches+0x54/0x80 Nov 07 09:01:32 landau: [00000000005977f4] memcg_destroy_kmem_caches+0x94/0xe0 Nov 07 09:01:32 landau: [00000000005dbfe0] mem_cgroup_css_free+0xe0/0x140 Nov 07 09:01:32 landau: [00000000004fd9b4] css_free_work_fn+0x34/0x420 Nov 07 09:01:32 landau: [000000000048172c] process_one_work+0x16c/0x460 Nov 07 09:01:32 landau: [0000000000481b40] worker_thread+0x120/0x520 Nov 07 09:01:32 landau: [000000000048804c] kthread+0xac/0xe0 Nov 07 09:01:32 landau: [0000000000406044] ret_from_fork+0x1c/0x2c Nov 07 09:01:32 landau: [0000000000000000] (null) Nov 07 09:02:38 landau: Watchdog detected hard LOCKUP on cpu 25 Nov 07 09:02:38 landau: ------------[ cut here ]------------ Nov 07 09:02:38 landau: WARNING: CPU: 25 PID: 245304 at arch/sparc/kernel/nmi.c:80 perfctr_irq+0x2ec/0x340 Nov 07 09:02:38 landau: [478B blob data] Nov 07 09:02:38 landau: CPU: 25 PID: 245304 Comm: cc1 Not tainted 4.9.0-rc3+ #1 Nov 07 09:02:38 landau: Call Trace: Nov 07 09:02:38 landau: [00000000004670a0] __warn+0xc0/0xe0 Nov 07 09:02:38 landau: [00000000004670f4] warn_slowpath_fmt+0x34/0x60 Nov 07 09:02:38 landau: [00000000009943ec] perfctr_irq+0x2ec/0x340 Nov 07 09:02:38 landau: [00000000004209f4] tl0_irq15+0x14/0x20 Nov 07 09:02:38 landau: ---[ end trace ef8661be81a54612 ]--- -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
