[Intel-gfx] backtrace with 3.9.0-rc4 on MBP retina

[Daniel Vetter]

On Mon, Mar 25, 2013 at 3:49 AM, Dave Airlie <airlied at gmail.com> wrote:
> Just stuck 3.9.0-rc4 on my MBP today, got this throwing up.

Is the bad stuff just the WARN (bad locking in our init code,
surprise!) or did i915.ko kill your eDP panel? Or is the
non-responsive panel just the usual apple gpu switching fail we have?
-Daniel

> [    3.482355] [drm] Memory usable by graphics device = 2048M
> [    3.482381] i915 0000:00:02.0: setting latency timer to 64
> [    3.482768] sdhci-pci 0000:03:00.1: SDHCI controller found
> [14e4:16bc] (rev 10)
> [    3.482825] sdhci-pci 0000:03:00.1: enabling device (0000 -> 0002)
> [    3.512438] mmc0: SDHCI controller on PCI [0000:03:00.1] using ADMA
> [    3.524138] i915 0000:00:02.0: irq 53 for MSI/MSI-X
> [    3.524150] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
> [    3.524151] [drm] Driver supports precise vblank timestamp query.
> [    3.524158] i915 0000:00:02.0: Invalid ROM contents
> [    3.524162] [drm] failed to find VBIOS tables
> [    3.524486] vgaarb: device changed decodes:
> PCI:0000:00:02.0,olddecodes=io+mem,decodes=none:owns=io+mem
> [    3.524488] vgaarb: transferring owner from PCI:0000:00:02.0 to
> PCI:0000:01:00.0
> [    3.557336] [drm] failed to retrieve link info, disabling eDP
> [    3.557787] ------------[ cut here ]------------
> [    3.557805] WARNING: at drivers/gpu/drm/i915/intel_dp.c:1132
> ironlake_panel_vdd_off_sync+0xef/0x100 [i915]()
> [    3.557806] Hardware name: MacBookPro10,1
> [    3.557807] Modules linked in: sdhci_pci sdhci mmc_core i915(+)
> nouveau(+) mxm_wmi wmi ttm i2c_algo_bit drm_kms_helper drm i2c_core
> video
> [    3.557816] Pid: 172, comm: systemd-udevd Tainted: G        W
> 3.9.0-rc4+ #34
> [    3.557817] Call Trace:
> [    3.557822]  [<ffffffff81060b2f>] warn_slowpath_common+0x7f/0xc0
> [    3.557825]  [<ffffffff81060b8a>] warn_slowpath_null+0x1a/0x20
> [    3.557836]  [<ffffffffa01eb45f>]
> ironlake_panel_vdd_off_sync+0xef/0x100 [i915]
> [    3.557846]  [<ffffffffa01ec814>] intel_dp_encoder_destroy+0x64/0x70 [i915]
> [    3.557856]  [<ffffffffa01ef716>] intel_dp_init_connector+0xaa6/0xac0 [i915]
> [    3.557864]  [<ffffffffa002c3f2>] ? drm_modeset_unlock_all+0x52/0x60 [drm]
> [    3.557874]  [<ffffffffa01ef836>] intel_dp_init+0x106/0x140 [i915]
> [    3.557884]  [<ffffffffa01e3bf9>] intel_modeset_init+0xbf9/0xea0 [i915]
> [    3.557894]  [<ffffffffa01b40e1>] i915_driver_load+0xb81/0xe30 [i915]
> [    3.557901]  [<ffffffffa0028c16>] drm_get_pci_dev+0x186/0x2d0 [drm]
> [    3.557904]  [<ffffffff810c4ffd>] ? trace_hardirqs_on+0xd/0x10
> [    3.557913]  [<ffffffffa01af33c>] i915_pci_probe+0x3c/0x90 [i915]
> [    3.557915]  [<ffffffff813300ab>] local_pci_probe+0x4b/0x80
> [    3.557918]  [<ffffffff81330311>] pci_device_probe+0x111/0x120
> [    3.557921]  [<ffffffff8141188b>] driver_probe_device+0x8b/0x390
> [    3.557923]  [<ffffffff81411c3b>] __driver_attach+0xab/0xb0
> [    3.557926]  [<ffffffff81411b90>] ? driver_probe_device+0x390/0x390
> [    3.557928]  [<ffffffff8140f80d>] bus_for_each_dev+0x5d/0xa0
> [    3.557930]  [<ffffffff814111ee>] driver_attach+0x1e/0x20
> [    3.557933]  [<ffffffff81410d81>] bus_add_driver+0x121/0x2b0
> [    3.557935]  [<ffffffffa0246000>] ? 0xffffffffa0245fff
> [    3.557937]  [<ffffffff81412327>] driver_register+0x77/0x170
> [    3.557939]  [<ffffffffa0246000>] ? 0xffffffffa0245fff
> [    3.557941]  [<ffffffff8132f0a4>] __pci_register_driver+0x64/0x70
> [    3.557946]  [<ffffffffa0028e7a>] drm_pci_init+0x11a/0x130 [drm]
> [    3.557948]  [<ffffffffa0246000>] ? 0xffffffffa0245fff
> [    3.557956]  [<ffffffffa0246066>] i915_init+0x66/0x68 [i915]
> [    3.557959]  [<ffffffff8100215a>] do_one_initcall+0x12a/0x180
> [    3.557962]  [<ffffffff810d10ce>] load_module+0x1c3e/0x27e0
> [    3.557964]  [<ffffffff81324010>] ? ddebug_proc_open+0xd0/0xd0
> [    3.557967]  [<ffffffff8131261e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
> [    3.557969]  [<ffffffff810d1d47>] sys_init_module+0xd7/0x120
> [    3.557972]  [<ffffffff8168e3d9>] system_call_fastpath+0x16/0x1b
> [    3.557973] ---[ end trace 6cad52bf765be3e1 ]---



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch