On Thu, May 07, 2015 at 02:54:00PM +0100, Tvrtko Ursulin wrote: > > Hi, > > 4.1.0-rc2 spews the below warning and disables lockdep for me at boot. > > Any ideas? > > May 7 11:58:20 skl kernel: [ 6.066696] futex hash table entries: 1024 > (order: 5, 131072 bytes) > May 7 11:58:20 skl kernel: [ 6.075774] BUG: key ffff88014973b850 not in > .data! > May 7 11:58:20 skl kernel: [ 6.081369] ------------[ cut here > ]------------ > May 7 11:58:20 skl kernel: [ 6.086695] WARNING: CPU: 0 PID: 1 at > kernel/locking/lockdep.c:3002 lockdep_init_map+0x14b/0x5e0() > May 7 11:58:20 skl kernel: [ 6.096928] DEBUG_LOCKS_WARN_ON(1) > May 7 11:58:20 skl kernel: [ 6.100659] Modules linked in: > May 7 11:58:20 skl kernel: [ 6.104433] CPU: 0 PID: 1 Comm: swapper/0 Not > tainted 4.1.0-rc2-150507+ #3 > May 7 11:58:20 skl kernel: [ 6.112284] Hardware name: Intel Corporation > Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS > SKLSE2R1.86C.X070.R01.1501282110 01/28/2015 > May 7 11:58:20 skl kernel: [ 6.126689] 0000000000000bba ffff880149e1fb88 > ffffffff816213f8 ffffffff8109fcc6 > May 7 11:58:20 skl kernel: [ 6.135381] ffff880149e1fbd8 ffff880149e1fbc8 > ffffffff810528e2 0000000000000000 > May 7 11:58:20 skl kernel: [ 6.143992] ffff880146428858 0000000000000000 > 0000000000000000 ffff88014973b838 > May 7 11:58:20 skl kernel: [ 6.152682] Call Trace: > May 7 11:58:20 skl kernel: [ 6.155513] [<ffffffff816213f8>] > dump_stack+0x4c/0x6e > May 7 11:58:20 skl kernel: [ 6.161399] [<ffffffff8109fcc6>] ? > console_unlock+0x406/0x440 > May 7 11:58:20 skl kernel: [ 6.168075] [<ffffffff810528e2>] > warn_slowpath_common+0xb2/0xe0 > May 7 11:58:20 skl kernel: [ 6.174946] [<ffffffff810529c6>] > warn_slowpath_fmt+0x46/0x50 > May 7 11:58:20 skl kernel: [ 6.181525] [<ffffffff81093b6b>] > lockdep_init_map+0x14b/0x5e0 > May 7 11:58:20 skl kernel: [ 6.188202] [<ffffffff811dc06a>] > __kernfs_create_file+0x7a/0xf0 > May 7 11:58:20 skl kernel: [ 6.195069] [<ffffffff811dcb4e>] > sysfs_add_file_mode_ns+0x16e/0x1b0 > May 7 11:58:20 skl kernel: [ 6.202346] [<ffffffff811dd92a>] > internal_create_group+0x19a/0x280 > May 7 11:58:20 skl kernel: [ 6.209515] [<ffffffff811dda43>] > sysfs_create_group+0x13/0x20 > May 7 11:58:20 skl kernel: [ 6.216185] [<ffffffff811dda88>] > sysfs_create_groups+0x38/0x90 > May 7 11:58:20 skl kernel: [ 6.222958] [<ffffffff8145c3d6>] > device_add+0x276/0x5d0 > May 7 11:58:20 skl kernel: [ 6.229040] [<ffffffff8110a80b>] > pmu_dev_alloc+0x8b/0xd0 > May 7 11:58:20 skl kernel: [ 6.235215] [<ffffffff81d44c93>] ? > perf_workqueue_init+0x61/0x61 > May 7 11:58:20 skl kernel: [ 6.242184] [<ffffffff81d44cd9>] > perf_event_sysfs_init+0x46/0x95 > May 7 11:58:20 skl kernel: [ 6.249144] [<ffffffff81d44c93>] ? > perf_workqueue_init+0x61/0x61 > May 7 11:58:20 skl kernel: [ 6.256118] [<ffffffff81000352>] > do_one_initcall+0x122/0x1f0 > May 7 11:58:20 skl kernel: [ 6.262700] [<ffffffff81072e00>] ? > parse_args+0x240/0x450 > May 7 11:58:20 skl kernel: [ 6.268980] [<ffffffff81d27126>] > kernel_init_freeable+0x106/0x19a > May 7 11:58:20 skl kernel: [ 6.276045] [<ffffffff81d26878>] ? > loglevel+0x31/0x31 > May 7 11:58:20 skl kernel: [ 6.281939] [<ffffffff8161a380>] ? > rest_init+0x140/0x140 > May 7 11:58:20 skl kernel: [ 6.288120] [<ffffffff8161a38e>] > kernel_init+0xe/0xf0 > May 7 11:58:20 skl kernel: [ 6.294004] [<ffffffff81629e92>] > ret_from_fork+0x42/0x70 > May 7 11:58:20 skl kernel: [ 6.300186] [<ffffffff8161a380>] ? > rest_init+0x140/0x140 > May 7 11:58:20 skl kernel: [ 6.306367] ---[ end trace 98f2b03275198a56 > ]--- > May 7 11:58:20 skl kernel: [ 6.311703] BUG: key ffff88014973b888 not in > .data! > May 7 11:58:20 skl kernel: [ 6.317300] BUG: key ffff88014973b8c0 not in > .data! > May 7 11:58:20 skl kernel: [ 6.322895] BUG: key ffff88014973b8f8 not in > .data! > May 7 11:58:20 skl kernel: [ 6.329549] HugeTLB registered 2 MB page size, > pre-allocated 0 pages
That's in sysfs magic mushroom land, lets Cc people who know about this. -- 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/
