Hi Daniel,
On 3.9-rc1, I get the following warning on my MacBook Pro Retina.
Graphics still seem to work ok, but I think that's because it's really using the nouveau driver instead of the intel driver (so David says).
Anything I can do to test to try to fix this?
thanks,
greg k-h
[ 6.000101] Console: switching to colour frame buffer device 360x112 [ 6.006662] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device [ 6.006664] nouveau 0000:01:00.0: registered panic notifier [ 6.006668] [drm] Initialized nouveau 1.1.0 20120801 for 0000:01:00.0 on minor 0 [ 6.006756] snd_hda_intel 0000:01:00.1: enabling device (0000 -> 0002) [ 6.006838] hda_intel: Disabling MSI [ 6.006868] hda-intel 0000:01:00.1: Handle VGA-switcheroo audio client [ 6.007848] [drm] Memory usable by graphics device = 2048M [ 6.007867] i915 0000:00:02.0: setting latency timer to 64 [ 6.031217] usb 2-1.8.1.2: USB disconnect, device number 7 [ 6.043198] i915 0000:00:02.0: irq 49 for MSI/MSI-X [ 6.043204] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 6.043222] [drm] Driver supports precise vblank timestamp query. [ 6.043228] i915 0000:00:02.0: Invalid ROM contents [ 6.043232] [drm] failed to find VBIOS tables [ 6.043271] vga_switcheroo: enabled [ 6.043307] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=none [ 6.043314] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=none:owns=io+mem [ 6.070805] [drm] failed to retrieve link info, disabling eDP [ 6.070840] ------------[ cut here ]------------ [ 6.070870] WARNING: at drivers/gpu/drm/i915/intel_dp.c:1121 ironlake_panel_vdd_off_sync+0xef/0x100 [i915]() [ 6.070878] Hardware name: MacBookPro10,1 [ 6.070882] Modules linked in: btusb bluetooth nls_cp437 vfat fat arc4 b43 ssb pcmcia pcmcia_core mac80211 cfg80211 rfkill joydev iTCO_wdt bcm5974 iTCO_vendor_support applesmc input_polldev snd_hda_codec_cirrus coretemp kvm_intel kvm acpi_cpufreq crc32c_intel mperf ghash_clmulni_intel evdev aesni_intel xts aes_x86_64 lrw gf128mul ablk_helper cryptd microcode pcspkr i2c_i801(+) apple_gmux snd_hda_intel(+) i915(+) sdhci_pci lpc_ich snd_hda_codec bcma nouveau sdhci mfd_core snd_hwdep mmc_core mxm_wmi wmi ttm intel_agp snd_pcm intel_gtt i2c_algo_bit drm_kms_helper snd_page_alloc snd_timer snd soundcore drm video battery apple_bl mei processor ac button [ 6.071025] Pid: 123, comm: systemd-udevd Tainted: G W 3.9.0-rc1 #100 [ 6.071031] Call Trace: [ 6.071038] [<ffffffff81057dff>] warn_slowpath_common+0x7f/0xc0 [ 6.071045] [<ffffffff81057e5a>] warn_slowpath_null+0x1a/0x20 [ 6.071063] [<ffffffffa0402a1f>] ironlake_panel_vdd_off_sync+0xef/0x100 [i915] [ 6.071079] [<ffffffffa0403f44>] intel_dp_encoder_destroy+0x64/0x70 [i915] [ 6.071095] [<ffffffffa0406c06>] intel_dp_init_connector+0xa76/0xa90 [i915] [ 6.071107] [<ffffffffa00ae6e2>] ? drm_modeset_unlock_all+0x52/0x60 [drm] [ 6.071122] [<ffffffffa0406d26>] intel_dp_init+0x106/0x140 [i915] [ 6.071138] [<ffffffffa03fb299>] intel_modeset_init+0xbf9/0xea0 [i915] [ 6.071154] [<ffffffffa03cb219>] i915_driver_load+0xb59/0xde0 [i915] [ 6.071176] [<ffffffffa00aaa96>] drm_get_pci_dev+0x186/0x2c0 [drm] [ 6.071192] [<ffffffffa03c650c>] i915_pci_probe+0x3c/0x90 [i915] [ 6.071201] [<ffffffff812d3a6b>] local_pci_probe+0x4b/0x80 [ 6.071211] [<ffffffff812d4341>] pci_device_probe+0x111/0x120 [ 6.071219] [<ffffffff8138e7eb>] driver_probe_device+0x7b/0x240 [ 6.071225] [<ffffffff8138ea5b>] __driver_attach+0xab/0xb0 [ 6.071232] [<ffffffff8138e9b0>] ? driver_probe_device+0x240/0x240 [ 6.071239] [<ffffffff8138ca6d>] bus_for_each_dev+0x5d/0xa0 [ 6.071246] [<ffffffff8138e31e>] driver_attach+0x1e/0x20 [ 6.071253] [<ffffffff8138de1e>] bus_add_driver+0x10e/0x270 [ 6.071260] [<ffffffffa0463000>] ? 0xffffffffa0462fff [ 6.071267] [<ffffffff8138f127>] driver_register+0x77/0x170 [ 6.071273] [<ffffffff810ebdf7>] ? tracepoint_module_notify+0x117/0x220 [ 6.071281] [<ffffffffa0463000>] ? 0xffffffffa0462fff [ 6.071287] [<ffffffff812d443b>] __pci_register_driver+0x4b/0x50 [ 6.071297] [<ffffffffa00aacea>] drm_pci_init+0x11a/0x130 [drm] [ 6.071304] [<ffffffffa0463000>] ? 0xffffffffa0462fff [ 6.071319] [<ffffffffa0463066>] i915_init+0x66/0x68 [i915] [ 6.071325] [<ffffffff8100215a>] do_one_initcall+0x12a/0x180 [ 6.071334] [<ffffffff810be087>] load_module+0x1a47/0x24b0 [ 6.071340] [<ffffffff810b9300>] ? sys_getegid16+0x50/0x50 [ 6.071349] [<ffffffff810beb96>] sys_init_module+0xa6/0xd0 [ 6.071356] [<ffffffff8156411d>] system_call_fastpath+0x1a/0x1f [ 6.071362] ---[ end trace 138aae7ee5fa912d ]--- [ 6.370967] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input10 [ 6.371243] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input11 [ 6.371504] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input12 [ 6.644053] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2 [ 6.657295] i915 0000:00:02.0: No connectors reported connected with modes [ 6.657302] [drm] Cannot find any crtc or sizes - going 1024x768 [ 6.659683] i915 0000:00:02.0: fb1: inteldrmfb frame buffer device [ 6.660364] [Firmware Bug]: ACPI(GFX0) defines _DOD but not _DOS [ 6.661371] ACPI: Video Device [GFX0] (multi-head: yes rom: yes post: no) [ 6.662441] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:01/LNXVIDEO:00/input/input13 [ 6.667750] ACPI: Video Device [IGPU] (multi-head: yes rom: no post: no) [ 6.668386] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:01/input/input14 [ 6.669503] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 1 [ 6.670579] i801_smbus 0000:00:1f.3: enabling device (0000 -> 0003) [ 6.671713] ACPI Warning: 0x000000000000efa0-0x000000000000efbf SystemIO conflicts with Region _SB_.PCI0.SBUS.SMBI 1 (20130117/utaddress-251) [ 6.672780] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver