BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. Please attach the output of /proc/lock_stat to the bug report CPU: 1 PID: 2102862 Comm: trinity-main Not tainted 3.12.0-rc5+ #27 Hardware name: Gigabyte Technology Co., Ltd. GA-MA78GM-S2H/GA-MA78GM-S2H, BIOS F12a 04/23/2010 ffffffff82427e90 ffff88006f9cd938 ffffffff816db90c 000000000104c014 ffff88006f9cda00 ffffffff810c40cd ffffffff810bf11e ffff88006f9cd970 ffffffff810bf645 ffff8800c9ee1550 ffff88012a000a18 00007fffce3189e8 Call Trace: [<ffffffff816db90c>] dump_stack+0x4e/0x82 [<ffffffff810c40cd>] __lock_acquire+0x1b6d/0x1bd0 [<ffffffff810bf11e>] ? put_lock_stats.isra.28+0xe/0x40 [<ffffffff810bf645>] ? lock_release_holdtime.part.29+0xe5/0x160 [<ffffffff810d04f2>] ? __module_text_address+0x12/0x60 [<ffffffff810d4b1f>] ? is_module_text_address+0x2f/0x60 [<ffffffff8106e580>] ? __kernel_text_address+0x50/0x70 [<ffffffff81006507>] ? print_context_stack+0x87/0xf0 [<ffffffff810c48d3>] lock_acquire+0x93/0x1e0 [<ffffffff816d95d7>] ? get_partial_node.isra.41+0x49/0x20a [<ffffffff816e4441>] _raw_spin_lock+0x41/0x80 [<ffffffff816d95d7>] ? get_partial_node.isra.41+0x49/0x20a [<ffffffff816d95d7>] get_partial_node.isra.41+0x49/0x20a [<ffffffff810c13b7>] ? check_usage_backwards+0x87/0x150 [<ffffffff816d9918>] __slab_alloc+0x180/0x4dd [<ffffffff810c1330>] ? print_shortest_lock_dependencies+0x1d0/0x1d0 [<ffffffff81249ea8>] ? sysfs_open_file+0xb8/0x230 [<ffffffff810bf086>] ? __lock_is_held+0x56/0x80 [<ffffffff811a304c>] kmem_cache_alloc_trace+0x2dc/0x3a0 [<ffffffff81249ea8>] ? sysfs_open_file+0xb8/0x230 [<ffffffff81249ea8>] sysfs_open_file+0xb8/0x230 [<ffffffff811c129b>] do_dentry_open+0x25b/0x310 [<ffffffff812dfcbc>] ? security_inode_permission+0x1c/0x30 [<ffffffff81249df0>] ? sysfs_schedule_callback+0x1e0/0x1e0 [<ffffffff811c1399>] finish_open+0x49/0x60 [<ffffffff811d3af4>] do_last+0x5b4/0x1200 [<ffffffff811d480e>] path_openat+0xce/0x6b0 [<ffffffff8100b324>] ? native_sched_clock+0x24/0x80 [<ffffffff811d5577>] do_filp_open+0x47/0xa0 [<ffffffff811e4daf>] ? __alloc_fd+0xaf/0x200 [<ffffffff811c2829>] do_sys_open+0x139/0x220 [<ffffffff81010b95>] ? syscall_trace_enter+0x155/0x2a0 [<ffffffff811c292e>] SyS_open+0x1e/0x20 [<ffffffff816ed9e4>] tracesys+0xdd/0xe2
/proc/lock_stat is at http://www.codemonkey.org.uk/junk/locks-2013-10-18.txt Probably not going to get time to dig into this before kernel summit, but posting in case it's something obvious.. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
