[Intel-gfx] i915 INFO: trying to register non-static key.

Johannes Stezenbach js at sig21.net
Mon Aug 5 15:23:53 CEST 2013


Hi,

wrt to $Subject, I get this with 3.10.5:

[    4.342638] i915 0000:00:02.0: setting latency timer to 64
[    4.409045] INFO: trying to register non-static key.
[    4.409164] the code is fine but needs lockdep annotation.
[    4.409278] turning off the locking correctness validator.
[    4.409396] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.10.5 #1
[    4.409514] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET82WW (2.02 ) 09/11/2012
[    4.409690]  0000000000000001 ffff8802121559e0 ffffffff816b265c ffff880212155a50
[    4.410050]  ffffffff8109ba03 ffffffff822cd1c0 0000000000000000 0000000100000006
[    4.410408]  0000000000000000 0000000000000000 0000000000000000 ffff8802121587a8
[    4.410764] Call Trace:
[    4.410880]  [<ffffffff816b265c>] dump_stack+0x19/0x1b
[    4.411000]  [<ffffffff8109ba03>] __lock_acquire.isra.23+0x7f7/0xb9c
[    4.411120]  [<ffffffff8109be68>] lock_acquire+0xc0/0x142
[    4.411240]  [<ffffffff813999f4>] ? i915_write32+0x99/0x13a
[    4.411360]  [<ffffffff816b8c7f>] _raw_spin_lock_irqsave+0x57/0x8e
[    4.411481]  [<ffffffff813999f4>] ? i915_write32+0x99/0x13a
[    4.411599]  [<ffffffff813999f4>] i915_write32+0x99/0x13a
[    4.411718]  [<ffffffff813d9aa8>] intel_disable_gt_powersave+0x264/0x2e5
[    4.411839]  [<ffffffff813db00c>] intel_gt_sanitize+0x91/0x93
[    4.411956]  [<ffffffff8139ca1d>] i915_driver_load+0x6e7/0xca5
[    4.412080]  [<ffffffff81387e8d>] ? drm_get_minor+0x1d4/0x22e
[    4.412199]  [<ffffffff81389b1f>] drm_get_pci_dev+0x169/0x269
[    4.412319]  [<ffffffff816b8eac>] ? _raw_spin_unlock_irqrestore+0x5b/0x79
[    4.412440]  [<ffffffff81398f00>] i915_pci_probe+0x66/0x6f
[    4.412557]  [<ffffffff812d4597>] pci_device_probe+0x6e/0xb2
[    4.412679]  [<ffffffff813ef7ac>] driver_probe_device+0x11a/0x2e2
[    4.412799]  [<ffffffff813efa12>] __driver_attach+0x61/0x83
[    4.412918]  [<ffffffff813ef9b1>] ? __device_attach+0x3d/0x3d
[    4.413039]  [<ffffffff813edb2f>] bus_for_each_dev+0x7d/0x87
[    4.413158]  [<ffffffff813ef1e5>] driver_attach+0x1e/0x20
[    4.413278]  [<ffffffff813eedb5>] bus_add_driver+0x128/0x233
[    4.413397]  [<ffffffff813eff30>] driver_register+0x8c/0xfd
[    4.413515]  [<ffffffff812d4420>] __pci_register_driver+0x5d/0x60
[    4.413637]  [<ffffffff81f16c96>] ? ftrace_define_fields_drm_vblank_event_delivered+0x9a/0x9a
[    4.413818]  [<ffffffff81389ca5>] drm_pci_init+0x86/0xea
[    4.413936]  [<ffffffff81f16c96>] ? ftrace_define_fields_drm_vblank_event_delivered+0x9a/0x9a
[    4.414117]  [<ffffffff81f16cfc>] i915_init+0x66/0x68
[    4.414235]  [<ffffffff8100028d>] do_one_initcall+0xa0/0x13f
[    4.414355]  [<ffffffff81edeeae>] kernel_init_freeable+0x115/0x196
[    4.414475]  [<ffffffff81ede738>] ? do_early_param+0x88/0x88
[    4.414594]  [<ffffffff8169e69e>] ? rest_init+0xc2/0xc2
[    4.414711]  [<ffffffff8169e6ac>] kernel_init+0xe/0xd6
[    4.414828]  [<ffffffff816ba5ac>] ret_from_fork+0x7c/0xb0
[    4.414946]  [<ffffffff8169e69e>] ? rest_init+0xc2/0xc2
[    4.422529] i915 0000:00:02.0: irq 40 for MSI/MSI-X

If you have a fix for it please send it to stable.

Thanks,
Johannes



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