Hi All,

I'm seeing the oops below on my MacBookPro 10,2 machine using i915 graphics. It's after the DRM merge for 3.14 ( v3.13-10094-g9b0cd30) , but we seem to have one report[1] of this happening well before that, in v3.13-3260-g03d11a0 as well. Does anyone have a clue what is going on here?

https://bugzilla.redhat.com/show_bug.cgi?id=1055105

josh

[ 6.058198] INFO: trying to register non-static key. [ 6.058203] the code is fine but needs lockdep annotation. [ 6.058206] turning off the locking correctness validator. [ 6.058210] CPU: 2 PID: 225 Comm: systemd-udevd Not tainted 3.14.0-0.rc0.git17.1.fc21.x86_64 #1 [ 6.058214] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B03.1211161133 11/16/2012 [ 6.058219] 0000000000000000 000000008b5190d0 ffff88025cc67460 ffffffff817cdb1f [ 6.058225] 0000000000000002 ffff88025cc67470 ffffffff817c8aa9 ffff88025cc67550 [ 6.058230] ffffffff810fa886 0000000000000002 ffff88025cc66000 ffff88025cc67500 [ 6.058236] Call Trace: [ 6.058242] [<ffffffff817cdb1f>] dump_stack+0x4d/0x66 [ 6.058247] [<ffffffff817c8aa9>] register_lock_class.part.26+0x38/0x3c [ 6.058253] [<ffffffff810fa886>] __lock_acquire+0x1776/0x1c40 [ 6.058258] [<ffffffff810f8b09>] ? mark_held_locks+0xb9/0x140 [ 6.058262] [<ffffffff810feb91>] ? __raw_spin_lock_init+0x21/0x60 [ 6.058267] [<ffffffff810f626c>] ? lockdep_init_map+0xac/0x4a0 [ 6.058271] [<ffffffff810fb542>] lock_acquire+0xa2/0x1d0 [ 6.058275] [<ffffffff812beeb8>] ? kernfs_addrm_finish+0x38/0x60 [ 6.058279] [<ffffffff812be0de>] kernfs_deactivate+0x13e/0x1a0 [ 6.058283] [<ffffffff812beeb8>] ? kernfs_addrm_finish+0x38/0x60 [ 6.058287] [<ffffffff810f8b09>] ? mark_held_locks+0xb9/0x140 [ 6.058291] [<ffffffff810f8b09>] ? mark_held_locks+0xb9/0x140 [ 6.058295] [<ffffffff812beeb8>] kernfs_addrm_finish+0x38/0x60 [ 6.058299] [<ffffffff812bf150>] kernfs_remove_by_name_ns+0x60/0xc0 [ 6.058304] [<ffffffff812bcc81>] remove_files.isra.1+0x41/0x80 [ 6.058308] [<ffffffff812bcf77>] sysfs_remove_group+0x47/0xa0 [ 6.058312] [<ffffffff812bd0a3>] sysfs_remove_groups+0x33/0x50 [ 6.058318] [<ffffffff814f391e>] device_remove_attrs+0x5e/0x80 [ 6.058322] [<ffffffff814f455e>] device_del+0x12e/0x1d0 [ 6.058325] [<ffffffff814f461e>] device_unregister+0x1e/0x60 [ 6.058331] [<ffffffffa000d407>] i2c_del_adapter+0x267/0x3b0 [i2c_core] [ 6.058354] [<ffffffffa00df8de>] intel_sdvo_init+0x20e/0x8c0 [i915] [ 6.058359] [<ffffffff810f8c95>] ? trace_hardirqs_on_caller+0x105/0x1d0 [ 6.058363] [<ffffffff810f8d6d>] ? trace_hardirqs_on+0xd/0x10 [ 6.058381] [<ffffffffa00fb952>] ? gen6_read32+0x52/0x1c0 [i915] [ 6.058398] [<ffffffffa00c7922>] intel_modeset_init+0xb62/0xff0 [i915] [ 6.058414] [<ffffffffa00ea6b8>] ? intel_power_domains_init_hw+0xa8/0x110 [i915] [ 6.058429] [<ffffffffa008b38c>] i915_driver_load+0xccc/0xec0 [i915] [ 6.058440] [<ffffffffa00264cd>] ? drm_get_minor+0x1ad/0x200 [drm] [ 6.058447] [<ffffffffa002659d>] drm_dev_register+0x7d/0x180 [drm] [ 6.058455] [<ffffffffa0028d10>] drm_get_pci_dev+0xa0/0x220 [drm] [ 6.058468] [<ffffffffa008770b>] i915_pci_probe+0x3b/0x60 [i915] [ 6.058473] [<ffffffff8140c605>] local_pci_probe+0x45/0xa0 [ 6.058477] [<ffffffff8140d8b5>] ? pci_match_device+0xc5/0xd0 [ 6.058481] [<ffffffff8140d9f9>] pci_device_probe+0xf9/0x150 [ 6.058486] [<ffffffff814f8b95>] driver_probe_device+0x125/0x3a0 [ 6.058490] [<ffffffff814f8ee3>] __driver_attach+0x93/0xa0 [ 6.058494] [<ffffffff814f8e50>] ? __device_attach+0x40/0x40 [ 6.058498] [<ffffffff814f68d3>] bus_for_each_dev+0x73/0xc0 [ 6.058502] [<ffffffff814f851e>] driver_attach+0x1e/0x20 [ 6.058505] [<ffffffff814f80c8>] bus_add_driver+0x188/0x260 [ 6.058509] [<ffffffffa0154000>] ? 0xffffffffa0153fff [ 6.058513] [<ffffffff814f9584>] driver_register+0x64/0xf0 [ 6.058516] [<ffffffffa0154000>] ? 0xffffffffa0153fff [ 6.058520] [<ffffffff8140bfa0>] __pci_register_driver+0x60/0x70 [ 6.058527] [<ffffffffa0028faa>] drm_pci_init+0x11a/0x130 [drm] [ 6.058531] [<ffffffffa0154000>] ? 0xffffffffa0153fff [ 6.058543] [<ffffffffa015406a>] i915_init+0x6a/0x6c [i915] [ 6.058548] [<ffffffff8100214a>] do_one_initcall+0xfa/0x1b0 [ 6.058552] [<ffffffff810640a3>] ? set_memory_nx+0x43/0x50 [ 6.058557] [<ffffffff81131d63>] load_module+0x1eb3/0x26e0 [ 6.058560] [<ffffffff8112cc70>] ? store_uevent+0x70/0x70 [ 6.058565] [<ffffffff81238710>] ? kernel_read+0x50/0x80 [ 6.058569] [<ffffffff81132766>] SyS_finit_module+0xa6/0xd0 [ 6.058574] [<ffffffff817e19a9>] system_call_fastpath+0x16/0x1b