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 ]--- -- 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
