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Message-ID: <20130729195431.GA3540@redhat.com> Date: Mon, 29 Jul 2013 15:54:31 -0400 From: Dave Jones <davej@...hat.com> To: Linux Kernel <linux-kernel@...r.kernel.org> Cc: daniel.vetter@...ll.ch, airlied@...hat.com Subject: i915 debug spew during boot. [ 7.457740] i915 0000:00:02.0: setting latency timer to 64 [ 7.523042] ------------[ cut here ]------------ [ 7.523701] WARNING: CPU: 3 PID: 1 at lib/debugobjects.c:260 debug_print_object+0x83/0xa0() [ 7.524879] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: stub_timer+0x0/0x20 [ 7.526267] Modules linked in: [ 7.526799] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 3.11.0-rc3+ #56 [ 7.529821] ffffffff81a4ba22 ffff880243765820 ffffffff81700f22 ffff880243765868 [ 7.531107] ffff880243765858 ffffffff81053f8d ffff880243765900 ffffffff81c38440 [ 7.532394] ffffffff81a4bac8 ffffffff82c0acd8 ffffffff81a61eab ffff8802437658b8 [ 7.533691] Call Trace: [ 7.534094] [<ffffffff81700f22>] dump_stack+0x4e/0x82 [ 7.534816] [<ffffffff81053f8d>] warn_slowpath_common+0x7d/0xa0 [ 7.535637] [<ffffffff81053ffc>] warn_slowpath_fmt+0x4c/0x50 [ 7.536431] [<ffffffff81065dd6>] ? do_init_timer+0x66/0x70 [ 7.537208] [<ffffffff81329f13>] debug_print_object+0x83/0xa0 [ 7.538009] [<ffffffff81065d30>] ? ftrace_raw_output_tick_stop+0x70/0x70 [ 7.538920] [<ffffffff8132aca6>] debug_object_assert_init+0x136/0x170 [ 7.539799] [<ffffffff81066d34>] del_timer+0x24/0x70 [ 7.540510] [<ffffffff810795e1>] try_to_grab_pending+0xb1/0x190 [ 7.541333] [<ffffffff810797b7>] __cancel_work_timer+0x27/0x130 [ 7.542156] [<ffffffff81079973>] cancel_delayed_work_sync+0x13/0x20 [ 7.543020] [<ffffffff814846ed>] intel_disable_gt_powersave+0x5d/0x420 [ 7.543915] [<ffffffff81486409>] intel_gt_sanitize+0x49/0xb0 [ 7.544708] [<ffffffff81435228>] i915_driver_load+0x608/0xe60 [ 7.545511] [<ffffffff8141b99e>] ? drm_get_minor+0x1ee/0x280 [ 7.546304] [<ffffffff8141da16>] drm_get_pci_dev+0x166/0x280 [ 7.547091] [<ffffffff8170ad52>] ? _raw_spin_unlock_irqrestore+0x42/0x80 [ 7.548005] [<ffffffff8143072c>] i915_pci_probe+0x2c/0x70 [ 7.548766] [<ffffffff8134382e>] local_pci_probe+0x3e/0x70 [ 7.549533] [<ffffffff81344031>] pci_device_probe+0x121/0x130 [ 7.550335] [<ffffffff814a0f97>] driver_probe_device+0x87/0x390 [ 7.551158] [<ffffffff814a1373>] __driver_attach+0x93/0xa0 [ 7.551929] [<ffffffff814a12e0>] ? __device_attach+0x40/0x40 [ 7.552721] [<ffffffff8149edeb>] bus_for_each_dev+0x6b/0xb0 [ 7.553503] [<ffffffff814a09ce>] driver_attach+0x1e/0x20 [ 7.554254] [<ffffffff814a0568>] bus_add_driver+0x1f8/0x2b0 [ 7.555038] [<ffffffff81f1b877>] ? ftrace_define_fields_drm_vblank_event_delivered+0x9b/0x9b [ 7.556234] [<ffffffff814a17b4>] driver_register+0x74/0x150 [ 7.557031] [<ffffffff81f1b877>] ? ftrace_define_fields_drm_vblank_event_delivered+0x9b/0x9b [ 7.558228] [<ffffffff813436bd>] __pci_register_driver+0x5d/0x60 [ 7.559060] [<ffffffff8141dc45>] drm_pci_init+0x115/0x130 [ 7.559822] [<ffffffff81f1b877>] ? ftrace_define_fields_drm_vblank_event_delivered+0x9b/0x9b [ 7.561019] [<ffffffff81f1b8dd>] i915_init+0x66/0x68 [ 7.561730] [<ffffffff810002c2>] do_one_initcall+0xf2/0x1a0 [ 7.562511] [<ffffffff81083345>] ? parse_args+0x215/0x3f0 [ 7.563273] [<ffffffff81edbfcd>] kernel_init_freeable+0x17c/0x202 [ 7.564117] [<ffffffff81edb7ff>] ? do_early_param+0x88/0x88 [ 7.564900] [<ffffffff816f6ca0>] ? rest_init+0x140/0x140 [ 7.565651] [<ffffffff816f6cae>] kernel_init+0xe/0x190 [ 7.566382] [<ffffffff81713b1c>] ret_from_fork+0x7c/0xb0 [ 7.567142] [<ffffffff816f6ca0>] ? rest_init+0x140/0x140 [ 7.567925] ---[ end trace 5665fa76dea640ba ]--- [ 7.568615] INFO: trying to register non-static key. [ 7.569313] the code is fine but needs lockdep annotation. [ 7.570073] turning off the locking correctness validator. [ 7.570832] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G W 3.11.0-rc3+ #56 [ 7.573964] ffffffff824ca1d0 ffff880243765780 ffffffff81700f22 0000000000000002 [ 7.575257] ffff880243765790 ffffffff816fcd64 ffff880243765850 ffffffff810c373a [ 7.576549] ffffffff81a4ba22 0000000000000104 ffffffff81329f13 ffff880243765810 [ 7.577848] Call Trace: [ 7.578249] [<ffffffff81700f22>] dump_stack+0x4e/0x82 [ 7.578969] [<ffffffff816fcd64>] register_lock_class.part.22+0x38/0x3c [ 7.579864] [<ffffffff810c373a>] __lock_acquire+0x165a/0x1af0 [ 7.580660] [<ffffffff81329f13>] ? debug_print_object+0x83/0xa0 [ 7.581483] [<ffffffff810c4381>] lock_acquire+0x91/0x1f0 [ 7.582234] [<ffffffff81077ba5>] ? flush_work+0x5/0x2d0 [ 7.582974] [<ffffffff81077bee>] flush_work+0x4e/0x2d0 [ 7.583705] [<ffffffff81077ba5>] ? flush_work+0x5/0x2d0 [ 7.584444] [<ffffffff810c1d25>] ? trace_hardirqs_on_caller+0x115/0x1e0 [ 7.585348] [<ffffffff81320dae>] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 7.586222] [<ffffffff810be5fd>] ? trace_hardirqs_off+0xd/0x10 [ 7.587041] [<ffffffff8170b9a0>] ? retint_restore_args+0xe/0xe [ 7.587852] [<ffffffff8107981b>] __cancel_work_timer+0x8b/0x130 [ 7.588675] [<ffffffff81079973>] cancel_delayed_work_sync+0x13/0x20 [ 7.589540] [<ffffffff814846ed>] intel_disable_gt_powersave+0x5d/0x420 [ 7.590434] [<ffffffff81486409>] intel_gt_sanitize+0x49/0xb0 [ 7.591224] [<ffffffff81435228>] i915_driver_load+0x608/0xe60 [ 7.592026] [<ffffffff8141b99e>] ? drm_get_minor+0x1ee/0x280 [ 7.592815] [<ffffffff8141da16>] drm_get_pci_dev+0x166/0x280 [ 7.593606] [<ffffffff8170ad52>] ? _raw_spin_unlock_irqrestore+0x42/0x80 [ 7.594521] [<ffffffff8143072c>] i915_pci_probe+0x2c/0x70 [ 7.595279] [<ffffffff8134382e>] local_pci_probe+0x3e/0x70 [ 7.596051] [<ffffffff81344031>] pci_device_probe+0x121/0x130 [ 7.596852] [<ffffffff814a0f97>] driver_probe_device+0x87/0x390 [ 7.597678] [<ffffffff814a1373>] __driver_attach+0x93/0xa0 [ 7.598450] [<ffffffff814a12e0>] ? __device_attach+0x40/0x40 [ 7.599242] [<ffffffff8149edeb>] bus_for_each_dev+0x6b/0xb0 [ 7.600024] [<ffffffff814a09ce>] driver_attach+0x1e/0x20 [ 7.602463] [<ffffffff814a0568>] bus_add_driver+0x1f8/0x2b0 [ 7.603242] [<ffffffff81f1b877>] ? ftrace_define_fields_drm_vblank_event_delivered+0x9b/0x9b [ 7.604437] [<ffffffff814a17b4>] driver_register+0x74/0x150 [ 7.605217] [<ffffffff81f1b877>] ? ftrace_define_fields_drm_vblank_event_delivered+0x9b/0x9b [ 7.606412] [<ffffffff813436bd>] __pci_register_driver+0x5d/0x60 [ 7.607249] [<ffffffff8141dc45>] drm_pci_init+0x115/0x130 [ 7.608008] [<ffffffff81f1b877>] ? ftrace_define_fields_drm_vblank_event_delivered+0x9b/0x9b [ 7.609201] [<ffffffff81f1b8dd>] i915_init+0x66/0x68 [ 7.609911] [<ffffffff810002c2>] do_one_initcall+0xf2/0x1a0 [ 7.610692] [<ffffffff81083345>] ? parse_args+0x215/0x3f0 [ 7.611453] [<ffffffff81edbfcd>] kernel_init_freeable+0x17c/0x202 [ 7.612296] [<ffffffff81edb7ff>] ? do_early_param+0x88/0x88 [ 7.613079] [<ffffffff816f6ca0>] ? rest_init+0x140/0x140 [ 7.613828] [<ffffffff816f6cae>] kernel_init+0xe/0x190 [ 7.614558] [<ffffffff81713b1c>] ret_from_fork+0x7c/0xb0 [ 7.615310] [<ffffffff816f6ca0>] ? rest_init+0x140/0x140 [ 7.618632] i915 0000:00:02.0: irq 42 for MSI/MSI-X -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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