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Bug#762706: i915: blank screen on resume, logs 'failed to enable link training'



Package: src:linux
Version: 3.16.3-2
Severity: normal

On a regular basis, on resume, my laptop's screen stays blank. The
backlight turns on, but there is no image. Closing the laptop, waiting
for the backlight to turn off, and then opening the laptop again usually
remedies the problem.

The system log contains the following message:

  Sep 24 11:52:02 walnut kernel: [86794.556876] [drm:intel_dp_start_link_train] *ERROR* failed to enable link training

This is follewed by several copies of the following:

  Sep 24 11:52:02 walnut kernel: [86794.768312] ------------[ cut here ]------------
  Sep 24 11:52:02 walnut kernel: [86794.768363] WARNING: CPU: 3 PID: 22996 at /build/linux-P15SNz/linux-3.16.3/drivers/gpu/drm/i915/intel_dp.c:3125 intel_dp_complete_link_train+0xed/0x310 [i915]()
  Sep 24 11:52:02 walnut kernel: [86794.768431] Modules linked in: nls_utf8 nls_cp437 vfat fat ctr ccm cpufreq_powersave cpufreq_userspace cpufreq_stats cpufreq_conservative binfmt_misc snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic arc4 brcmsmac nf_conntrack_ipv4 nf_defrag_ipv4 xt_tcpudp xt_conntrack cordic brcmutil nf_conntrack b43 mac80211 iptable_filter ip_tables cfg80211 x_tables ssb mmc_core rng_core pcmcia pcmcia_core joydev iTCO_wdt iTCO_vendor_support applesmc input_polldev ecb uvcvideo btusb x86_pkg_temp_thermal intel_powerclamp snd_hda_intel bluetooth intel_rapl videobuf2_vmalloc snd_hda_controller videobuf2_memops videobuf2_core snd_hda_codec crc32_pclmul v4l2_common 6lowpan_iphc snd_hwdep videodev snd_pcm_oss bcm5974 rfkill ghash_clmulni_intel media snd_mixer_oss snd_pcm evdev snd_seq_midi snd_seq_midi_event snd_rawmidi aesni_intel aes_x86_64 lrw snd_seq gf128mul glue_helper snd_seq_device ablk_helper cryptd snd_timer bcma pcspkr i915 lpc_ich i2c_!
 i8!
   01 mfd_co
   re snd sbs drm_kms_helper sbshc soundcore battery drm shpchp i2c_algo_bit apple_bl i2c_core mei_me video mei ac button processor thermal_sys kvm_intel kvm coretemp loop fuse parport_pc ppdev lp parport autofs4 ext4 crc16 mbcache jbd2 ahci libahci sg sd_mod crc_t10dif crct10dif_generic ata_generic hid_generic usb_storage hid_apple usbhid hid ata_piix crct10dif_pclmul crct10dif_common crc32c_intel libata uhci_hcd ehci_pci ehci_hcd scsi_mod usbcore usb_common
  Sep 24 11:52:02 walnut kernel: [86794.768518] CPU: 3 PID: 22996 Comm: kworker/u16:94 Tainted: G        W     3.16-2-amd64 #1 Debian 3.16.3-2
  Sep 24 11:52:02 walnut kernel: [86794.768520] Hardware name: Apple Inc. MacBookAir4,2/Mac-742912EFDBEE19B3, BIOS MBA41.88Z.0077.B0F.1201241549 01/24/2012
  Sep 24 11:52:02 walnut kernel: [86794.768529] Workqueue: events_unbound async_run_entry_fn
  Sep 24 11:52:02 walnut kernel: [86794.768536]  0000000000000009 ffffffff81506188 0000000000000000 ffffffff81065707
  Sep 24 11:52:02 walnut kernel: [86794.768541]  ffff88003697a0d8 0000000000000001 0000000000000000 ffff88003697a118
  Sep 24 11:52:02 walnut kernel: [86794.768545]  ffff88003697a0f3 ffffffffa04354ad 1004400400000000 000000810003212e
  Sep 24 11:52:02 walnut kernel: [86794.768547] Call Trace:
  Sep 24 11:52:02 walnut kernel: [86794.768557]  [<ffffffff81506188>] ? dump_stack+0x41/0x51
  Sep 24 11:52:02 walnut kernel: [86794.768564]  [<ffffffff81065707>] ? warn_slowpath_common+0x77/0x90
  Sep 24 11:52:02 walnut kernel: [86794.768590]  [<ffffffffa04354ad>] ? intel_dp_complete_link_train+0xed/0x310 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768614]  [<ffffffffa0435737>] ? intel_enable_dp+0x67/0x90 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768638]  [<ffffffffa043576e>] ? g4x_enable_dp+0xe/0x20 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768664]  [<ffffffffa04158d9>] ? ironlake_crtc_enable+0x4f9/0xf20 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768690]  [<ffffffffa03eb636>] ? i915_gem_object_pin_to_display_plane+0x96/0x1b0 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768713]  [<ffffffffa03ec488>] ? i915_gem_object_pin_fence+0x28/0xa0 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768740]  [<ffffffffa0418e97>] ? __intel_set_mode+0x7d7/0x1560 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768766]  [<ffffffffa0403514>] ? gen6_read32+0x64/0x120 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768773]  [<ffffffff8150a9ee>] ? mutex_lock+0xe/0x2a
  Sep 24 11:52:02 walnut kernel: [86794.768799]  [<ffffffffa041dfb4>] ? intel_modeset_setup_hw_state+0x824/0xd30 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768815]  [<ffffffffa036fb5a>] ? drm_modeset_lock+0x2a/0xd0 [drm]
  Sep 24 11:52:02 walnut kernel: [86794.768830]  [<ffffffffa036fc41>] ? drm_modeset_lock_all_crtcs+0x41/0x60 [drm]
  Sep 24 11:52:02 walnut kernel: [86794.768835]  [<ffffffff812e0420>] ? pci_pm_thaw+0x90/0x90
  Sep 24 11:52:02 walnut kernel: [86794.768852]  [<ffffffffa03c537e>] ? __i915_drm_thaw+0x11e/0x1a0 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768870]  [<ffffffffa03c5bd4>] ? i915_resume+0x24/0x40 [i915]
  Sep 24 11:52:02 walnut kernel: [86794.768876]  [<ffffffff813a8a96>] ? dpm_run_callback+0x46/0xf0
  Sep 24 11:52:02 walnut kernel: [86794.768882]  [<ffffffff813a8ec6>] ? device_resume+0x86/0x1a0
  Sep 24 11:52:02 walnut kernel: [86794.768887]  [<ffffffff813a8ff9>] ? async_resume+0x19/0x40
  Sep 24 11:52:02 walnut kernel: [86794.768892]  [<ffffffff8108b842>] ? async_run_entry_fn+0x32/0x120
  Sep 24 11:52:02 walnut kernel: [86794.768899]  [<ffffffff8107f4a2>] ? process_one_work+0x172/0x420
  Sep 24 11:52:02 walnut kernel: [86794.768905]  [<ffffffff8107fb35>] ? worker_thread+0x115/0x520
  Sep 24 11:52:02 walnut kernel: [86794.768911]  [<ffffffff8107fa20>] ? rescuer_thread+0x2d0/0x2d0
  Sep 24 11:52:02 walnut kernel: [86794.768917]  [<ffffffff81085dcd>] ? kthread+0xbd/0xe0
  Sep 24 11:52:02 walnut kernel: [86794.768923]  [<ffffffff81085d10>] ? kthread_create_on_node+0x180/0x180
  Sep 24 11:52:02 walnut kernel: [86794.768927]  [<ffffffff8150c1bc>] ? ret_from_fork+0x7c/0xb0
  Sep 24 11:52:02 walnut kernel: [86794.768932]  [<ffffffff81085d10>] ? kthread_create_on_node+0x180/0x180
  Sep 24 11:52:02 walnut kernel: [86794.768935] ---[ end trace 41e97ef93f52489f ]---

-- Package-specific info:
** Version:
Linux version 3.16-2-amd64 (debian-kernel@lists.debian.org) (gcc version 4.8.3 (Debian 4.8.3-11) ) #1 SMP Debian 3.16.3-2 (2014-09-20)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-3.16-2-amd64 root=UUID=11b86120-5da7-43ee-bff4-aadc4faf8984 ro nomodeset elevator=deadline quiet splash init=/bin/systemd i915.i915_enable_rc6=1

** Not tainted

** Kernel log:
[   40.042821] CPU0: Package temperature above threshold, cpu clock throttled (total events = 1)
[   40.043803] CPU1: Core temperature/speed normal
[   40.043804] CPU3: Core temperature/speed normal
[   40.043806] CPU3: Package temperature/speed normal
[   40.043808] CPU1: Package temperature/speed normal
[   40.043835] CPU2: Package temperature/speed normal
[   40.043836] CPU0: Package temperature/speed normal
[  299.647648] mce: [Hardware Error]: Machine check events logged
[  316.979936] traps: polkitd[653] general protection ip:7f3b3de01362 sp:7fff4bffd640 error:0 in libmozjs-17.0.so.0.0.0[7f3b3dcbf000+3e1000]
[  339.887028] CPU2: Package temperature above threshold, cpu clock throttled (total events = 30532)
[  339.887030] CPU0: Package temperature above threshold, cpu clock throttled (total events = 30532)
[  339.887032] CPU1: Package temperature above threshold, cpu clock throttled (total events = 30532)
[  339.887034] CPU3: Package temperature above threshold, cpu clock throttled (total events = 30532)
[  339.887989] CPU1: Package temperature/speed normal
[  339.887991] CPU2: Package temperature/speed normal
[  339.887992] CPU3: Package temperature/speed normal
[  339.888000] CPU0: Package temperature/speed normal
[  360.018223] CPU0: Core temperature/speed normal
[  360.018224] CPU2: Core temperature/speed normal
[  449.562473] mce: [Hardware Error]: Machine check events logged
[ 3098.864468] CPU0: Core temperature above threshold, cpu clock throttled (total events = 26490)
[ 3098.864469] CPU2: Core temperature above threshold, cpu clock throttled (total events = 26490)
[ 3098.864483] CPU2: Package temperature above threshold, cpu clock throttled (total events = 35327)
[ 3098.864485] CPU0: Package temperature above threshold, cpu clock throttled (total events = 35327)
[ 3098.864500] CPU1: Package temperature above threshold, cpu clock throttled (total events = 35327)
[ 3098.864501] CPU3: Package temperature above threshold, cpu clock throttled (total events = 35327)
[ 3098.865462] CPU0: Core temperature/speed normal
[ 3098.865463] CPU2: Core temperature/speed normal
[ 3098.865466] CPU2: Package temperature/speed normal
[ 3098.865470] CPU0: Package temperature/speed normal
[ 3098.865496] CPU1: Package temperature/speed normal
[ 3098.865497] CPU3: Package temperature/speed normal
[ 3298.906870] mce: [Hardware Error]: Machine check events logged
[ 3400.873405] CPU0: Core temperature above threshold, cpu clock throttled (total events = 34072)
[ 3400.873407] CPU2: Core temperature above threshold, cpu clock throttled (total events = 34072)
[ 3400.873411] CPU2: Package temperature above threshold, cpu clock throttled (total events = 43415)
[ 3400.873424] CPU0: Package temperature above threshold, cpu clock throttled (total events = 43415)
[ 3400.873438] CPU1: Package temperature above threshold, cpu clock throttled (total events = 43415)
[ 3400.873439] CPU3: Package temperature above threshold, cpu clock throttled (total events = 43415)
[ 3400.874386] CPU0: Core temperature/speed normal
[ 3400.874387] CPU2: Core temperature/speed normal
[ 3400.874390] CPU2: Package temperature/speed normal
[ 3400.874391] CPU0: Package temperature/speed normal
[ 3400.874421] CPU1: Package temperature/speed normal
[ 3400.874422] CPU3: Package temperature/speed normal
[ 3448.821573] mce: [Hardware Error]: Machine check events logged
[ 3681.199090] perf interrupt took too long (2505 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
[ 3701.749002] CPU2: Core temperature above threshold, cpu clock throttled (total events = 37018)
[ 3701.749003] CPU0: Core temperature above threshold, cpu clock throttled (total events = 37018)
[ 3701.749005] CPU3: Package temperature above threshold, cpu clock throttled (total events = 46462)
[ 3701.749007] CPU1: Package temperature above threshold, cpu clock throttled (total events = 46462)
[ 3701.749008] CPU0: Package temperature above threshold, cpu clock throttled (total events = 46462)
[ 3701.749017] CPU2: Package temperature above threshold, cpu clock throttled (total events = 46462)
[ 3701.750017] CPU2: Core temperature/speed normal
[ 3701.750018] CPU0: Core temperature/speed normal
[ 3701.750020] CPU1: Package temperature/speed normal
[ 3701.750021] CPU3: Package temperature/speed normal
[ 3701.750022] CPU0: Package temperature/speed normal
[ 3701.750029] CPU2: Package temperature/speed normal
[ 3898.577619] mce: [Hardware Error]: Machine check events logged
[ 4045.870242] CPU3: Package temperature above threshold, cpu clock throttled (total events = 47655)
[ 4045.870244] CPU1: Package temperature above threshold, cpu clock throttled (total events = 47655)
[ 4045.870246] CPU2: Package temperature above threshold, cpu clock throttled (total events = 47655)
[ 4045.870247] CPU0: Package temperature above threshold, cpu clock throttled (total events = 47655)
[ 4045.871245] CPU1: Package temperature/speed normal
[ 4045.871246] CPU3: Package temperature/speed normal
[ 4045.871274] CPU0: Package temperature/speed normal
[ 4045.871275] CPU2: Package temperature/speed normal
[ 4696.534682] gnome-photos-se[12362]: segfault at 0 ip 00007f3c5730c650 sp 00007fffa4515c08 error 4 in libglib-2.0.so.0.4200.0[7f3c572d3000+10c000]
[ 4754.248952] CPU0: Core temperature above threshold, cpu clock throttled (total events = 38800)
[ 4754.248953] CPU2: Core temperature above threshold, cpu clock throttled (total events = 38800)
[ 4754.248966] CPU2: Package temperature above threshold, cpu clock throttled (total events = 48368)
[ 4754.248967] CPU0: Package temperature above threshold, cpu clock throttled (total events = 48368)
[ 4754.248981] CPU1: Package temperature above threshold, cpu clock throttled (total events = 48368)
[ 4754.248982] CPU3: Package temperature above threshold, cpu clock throttled (total events = 48368)
[ 4754.249967] CPU0: Core temperature/speed normal
[ 4754.249968] CPU2: Core temperature/speed normal
[ 4754.249971] CPU2: Package temperature/speed normal
[ 4754.249972] CPU0: Package temperature/speed normal
[ 4754.249988] CPU1: Package temperature/speed normal
[ 4754.249989] CPU3: Package temperature/speed normal
[ 4798.078870] mce: [Hardware Error]: Machine check events logged
[ 5463.450694] tun: Universal TUN/TAP device driver, 1.6
[ 5463.450701] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 6452.392264] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: 1 addresses (implement)
[ 7128.539952] CPU0: Core temperature above threshold, cpu clock throttled (total events = 40706)
[ 7128.539954] CPU2: Core temperature above threshold, cpu clock throttled (total events = 40706)
[ 7128.539956] CPU3: Package temperature above threshold, cpu clock throttled (total events = 50410)
[ 7128.539958] CPU1: Package temperature above threshold, cpu clock throttled (total events = 50410)
[ 7128.539959] CPU2: Package temperature above threshold, cpu clock throttled (total events = 50410)
[ 7128.539969] CPU0: Package temperature above threshold, cpu clock throttled (total events = 50410)
[ 7128.540928] CPU2: Core temperature/speed normal
[ 7128.540928] CPU0: Core temperature/speed normal
[ 7128.540930] CPU1: Package temperature/speed normal
[ 7128.540931] CPU3: Package temperature/speed normal
[ 7128.540932] CPU0: Package temperature/speed normal
[ 7128.540937] CPU2: Package temperature/speed normal
[ 7270.686083] mce: [Hardware Error]: Machine check events logged
[ 7316.645638] Loading kernel module for a network device with CAP_SYS_MODULE (deprecated).  Use CAP_NET_ADMIN and alias netdev- instead.
[ 7316.669339] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: 1 addresses (implement)

** Model information
sys_vendor: Apple Inc.
product_name: MacBookAir4,2
product_version: 1.0
chassis_vendor: Apple Inc.
chassis_version: Mac-742912EFDBEE19B3
bios_vendor: Apple Inc.
bios_version: MBA41.88Z.0077.B0F.1201241549
board_vendor: Apple Inc.
board_name: Mac-742912EFDBEE19B3
board_version: MacBookAir4,2

** Loaded modules:
tun
ctr
ccm
cpufreq_powersave
cpufreq_userspace
cpufreq_stats
cpufreq_conservative
binfmt_misc
nf_conntrack_ipv4
nf_defrag_ipv4
xt_tcpudp
xt_conntrack
nf_conntrack
iptable_filter
ip_tables
x_tables
snd_hda_codec_hdmi
snd_hda_codec_cirrus
snd_hda_codec_generic
nls_utf8
nls_cp437
vfat
fat
arc4
brcmsmac
cordic
brcmutil
b43
mac80211
cfg80211
ssb
mmc_core
rng_core
pcmcia
joydev
pcmcia_core
ecb
iTCO_wdt
iTCO_vendor_support
uvcvideo
btusb
snd_hda_intel
applesmc
snd_hda_controller
input_polldev
videobuf2_vmalloc
bluetooth
snd_hda_codec
videobuf2_memops
snd_hwdep
videobuf2_core
v4l2_common
6lowpan_iphc
snd_pcm_oss
rfkill
snd_mixer_oss
bcm5974
videodev
x86_pkg_temp_thermal
media
intel_powerclamp
intel_rapl
snd_pcm
crc32_pclmul
evdev
ghash_clmulni_intel
snd_seq_midi
snd_seq_midi_event
aesni_intel
snd_rawmidi
aes_x86_64
snd_seq
lrw
gf128mul
glue_helper
snd_seq_device
ablk_helper
cryptd
snd_timer
bcma
pcspkr
lpc_ich
i2c_i801
i915
mfd_core
snd
sbs
sbshc
battery
drm_kms_helper
drm
soundcore
i2c_algo_bit
i2c_core
apple_bl
shpchp
mei_me
mei
video
ac
button
processor
thermal_sys
kvm_intel
kvm
coretemp
loop
fuse
parport_pc
ppdev
lp
parport
autofs4
ext4
crc16
mbcache
jbd2
ahci
libahci
sg
sd_mod
crc_t10dif
crct10dif_generic
ata_generic
hid_generic
usb_storage
hid_apple
usbhid
hid
crct10dif_pclmul
crct10dif_common
ata_piix
crc32c_intel
uhci_hcd
libata
ehci_pci
ehci_hcd
scsi_mod
usbcore
usb_common

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
	Subsystem: Apple Inc. Device [106b:00eb]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>

00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port [8086:0101] (rev 09) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Bus: primary=00, secondary=03, subordinate=97, sec-latency=0
	I/O behind bridge: 00003000-00003fff
	Memory behind bridge: a0700000-a49fffff
	Prefetchable memory behind bridge: 00000000a4a00000-00000000a89fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
	Subsystem: Apple Inc. Device [106b:00eb]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 46
	Region 0: Memory at a0000000 (64-bit, non-prefetchable) [size=4M]
	Region 2: Memory at 90000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at 2000 [size=64]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915

00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
	Subsystem: Intel Corporation Apple MacBookPro8,2 [Core i7, 15", 2011] [8086:7270]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 45
	Region 0: Memory at a0607100 (64-bit, non-prefetchable) [size=16]
	Capabilities: <access denied>
	Kernel driver in use: mei_me

00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Universal Host Controller #5 [8086:1c2c] (rev 05) (prog-if 00 [UHCI])
	Subsystem: Intel Corporation Apple MacBookPro8,2 [Core i7, 15", 2011] [8086:7270]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 21
	Region 4: I/O ports at 2140 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: uhci_hcd

00:1a.7 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 05) (prog-if 20 [EHCI])
	Subsystem: Intel Corporation Server Board S1200BTS / Apple MacBook Pro 8,1/8,2 [8086:7270]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	Region 0: Memory at a0606c00 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci

00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 05)
	Subsystem: Intel Corporation Apple MacBookPro8,2 [Core i7, 15", 2011] [8086:7270]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Interrupt: pin A routed to IRQ 47
	Region 0: Memory at a0600000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b5) (prog-if 00 [Normal decode])
	Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	Memory behind bridge: a0500000-a05fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.1 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 [8086:1c12] (rev b5) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	Memory behind bridge: a0400000-a04fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Universal Host Controller #1 [8086:1c27] (rev 05) (prog-if 00 [UHCI])
	Subsystem: Intel Corporation Apple MacBookPro8,2 [Core i7, 15", 2011] [8086:7270]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 19
	Region 4: I/O ports at 20e0 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: uhci_hcd

00:1d.7 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 05) (prog-if 20 [EHCI])
	Subsystem: Intel Corporation Server Board S1200BTS / Apple MacBook Pro 8,1/8,2 [8086:7270]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 22
	Region 0: Memory at a0606800 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci

00:1f.0 ISA bridge [0601]: Intel Corporation QS67 Express Chipset Family LPC Controller [8086:1c4d] (rev 05)
	Subsystem: Intel Corporation Device [8086:7270]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: lpc_ich

00:1f.2 IDE interface [0101]: Intel Corporation 6 Series/C200 Series Chipset Family 4 port SATA IDE Controller [8086:1c01] (rev 05) (prog-if 8f [Master SecP SecO PriP PriO])
	Subsystem: Intel Corporation Device [8086:7270]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 19
	Region 0: I/O ports at 2168 [size=8]
	Region 1: I/O ports at 217c [size=4]
	Region 2: I/O ports at 2160 [size=8]
	Region 3: I/O ports at 2178 [size=4]
	Region 4: I/O ports at 2060 [size=16]
	Region 5: I/O ports at ffe0 [size=16]
	Capabilities: <access denied>
	Kernel driver in use: ata_piix

00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 05)
	Subsystem: Intel Corporation Server Board S1200BTS / Apple MacBook Pro 8,1/8,2 [8086:7270]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin C routed to IRQ 18
	Region 0: Memory at a0607000 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at efa0 [size=32]

02:00.0 Network controller [0280]: Broadcom Corporation BCM43224 802.11a/b/g/n [14e4:4353] (rev 01)
	Subsystem: Apple Inc. AirPort Extreme [106b:00e9]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Interrupt: pin A routed to IRQ 17
	Region 0: Memory at a0400000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: bcma-pci-bridge

03:00.0 PCI bridge [0604]: Intel Corporation Device [8086:151a] (rev 01) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Bus: primary=03, secondary=04, subordinate=67, sec-latency=0
	Memory behind bridge: a0700000-a09fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

04:00.0 PCI bridge [0604]: Intel Corporation Device [8086:151a] (rev 01) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Bus: primary=04, secondary=05, subordinate=05, sec-latency=0
	Memory behind bridge: a0700000-a07fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

04:03.0 PCI bridge [0604]: Intel Corporation Device [8086:151a] (rev 01) (prog-if 00 [Normal decode])
	Physical Slot: 2
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Bus: primary=04, secondary=06, subordinate=36, sec-latency=0
	Memory behind bridge: a0800000-a08fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

04:04.0 PCI bridge [0604]: Intel Corporation Device [8086:151a] (rev 01) (prog-if 00 [Normal decode])
	Physical Slot: 3
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Bus: primary=04, secondary=37, subordinate=67, sec-latency=0
	Memory behind bridge: a0900000-a09fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

05:00.0 System peripheral [0880]: Intel Corporation Device [8086:151a] (rev 01)
	Subsystem: Device [2222:1111]
	Physical Slot: 1
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 256 bytes
	Interrupt: pin A routed to IRQ 11
	Region 0: Memory at a0700000 (32-bit, non-prefetchable) [size=256K]
	Region 1: Memory at a0740000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>


** USB devices:
Bus 002 Device 003: ID 05ac:8404 Apple, Inc. Internal Memory Card Reader
Bus 002 Device 002: ID 0424:2513 Standard Microsystems Corp. 2.0 Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 05ac:850a Apple, Inc. FaceTime Camera
Bus 001 Device 005: ID 05ac:024d Apple, Inc. Internal Keyboard/Trackpad (MacBook Air) (ISO)
Bus 001 Device 008: ID 05ac:821f Apple, Inc. Built-in Bluetooth 2.0+EDR HCI
Bus 001 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 001 Device 002: ID 0424:2513 Standard Microsystems Corp. 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_IE.utf8, LC_CTYPE=en_IE.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages linux-image-3.16-2-amd64 depends on:
ii  debconf [debconf-2.0]                   1.5.53
ii  initramfs-tools [linux-initramfs-tool]  0.116
ii  kmod                                    18-2
ii  linux-base                              3.5
ii  module-init-tools                       18-2

Versions of packages linux-image-3.16-2-amd64 recommends:
ii  firmware-linux-free  3.3

Versions of packages linux-image-3.16-2-amd64 suggests:
ii  debian-kernel-handbook  1.0.15
ii  grub-pc                 2.02~beta2-13
ii  linux-doc-3.16          3.16.3-2

Versions of packages linux-image-3.16-2-amd64 is related to:
pn  firmware-atheros        <none>
pn  firmware-bnx2           <none>
pn  firmware-bnx2x          <none>
ii  firmware-brcm80211      0.43
pn  firmware-intelwimax     <none>
pn  firmware-ipw2x00        <none>
pn  firmware-ivtv           <none>
pn  firmware-iwlwifi        <none>
pn  firmware-libertas       <none>
pn  firmware-linux          <none>
pn  firmware-linux-nonfree  <none>
pn  firmware-myricom        <none>
pn  firmware-netxen         <none>
pn  firmware-qlogic         <none>
pn  firmware-ralink         <none>
pn  firmware-realtek        <none>
pn  xen-hypervisor          <none>

-- debconf information:
  linux-image-3.16-2-amd64/postinst/mips-initrd-3.16-2-amd64:
  linux-image-3.16-2-amd64/postinst/depmod-error-initrd-3.16-2-amd64: false
  linux-image-3.16-2-amd64/prerm/removing-running-kernel-3.16-2-amd64: true


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