Regression: drm/nouveau/clk: implement power state and engine clockcontrol in core (7c856522069755ab9d163a24ac332cd3cb35fe30) breaks GeForce9400 on Intel Mac Mini Model November 2010 model

From: Thomas Glanzmann
Date: Fri Dec 06 2013 - 02:54:36 EST


Hello everyone,
the current git HEAD of Linus Torvalds tree breaks Nouveau on my Mac Mini
Model 2010. I get variation of the following kernel panic when booting.

(gateway) [~] nc -u -l -p 6666
[ 3.796018] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 3.796100] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 3.796304] ata1.00: ATA-7: INTEL SSDSA2M160G2GC, 2CV102HA, max UDMA/133
[ 3.796370] ata1.00: 312581808 sectors, multi 16: LBA48 NCQ (depth 31/32)
[ 3.796672] ata1.00: configured for UDMA/133
[ 3.796894] scsi 0:0:0:0: Direct-Access ATA INTEL SSDSA2M160 2CV1 PQ: 0 ANSI: 5
[ 3.806643] ata2.00: ATAPI: PIONEER DVD-RW DVRTS08, Q81B, max UDMA/33
[ 3.818934] ata2.00: configured for UDMA/33
[ 3.873892] scsi 1:0:0:0: CD-ROM PIONEER DVD-RW DVRTS08 Q81B PQ: 0 ANSI: 5
[ 3.884561] sd 0:0:0:0: [sda] 312581808 512-byte logical blocks: (160 GB/149 GiB)
[ 3.884790] sd 0:0:0:0: [sda] Write Protect is off
[ 3.884898] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 3.885526] sda: sda1
[ 3.885973] sd 0:0:0:0: [sda] Attached SCSI disk
[ 3.920096] firewire_core 0000:04:00.0: created device fw0: GUID 0023dffffe7ed446, S800
[ 3.934618] sr0: scsi3-mmc drive: 24x/24x writer cd/rw xa/form2 cdda caddy
[ 3.934684] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 3.938525] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 3.938659] sr 1:0:0:0: Attached scsi generic sg1 type 5
[ 4.248270] device-mapper: uevent: version 1.0.3
[ 4.248427] device-mapper: ioctl: 4.26.0-ioctl (2013-08-15) initialised: dm-devel@xxxxxxxxxx
[ 4.324025] raid6: sse2x1 2845 MB/s
[ 4.392010] raid6: sse2x2 3597 MB/s
[ 4.460007] raid6: sse2x4 4706 MB/s
[ 4.460068] raid6: using algorithm sse2x4 (4706 MB/s)
[ 4.460136] raid6: using ssse3x2 recovery algorithm
[ 4.460405] xor: measuring software checksum speed
[ 4.500004] prefetch64-sse: 6964.000 MB/sec
[ 4.540003] generic_sse: 6115.000 MB/sec
[ 4.540065] xor: using function: prefetch64-sse (6964.000 MB/sec)
[ 4.548866] bio: create slab <bio-1> at 1
[ 4.549122] Btrfs loaded
[ 4.690419] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[ 4.945318] udevd[440]: starting version 175
[ 5.025560] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0
[ 5.025648] ACPI: Power Button [PWRB]
[ 5.025789] input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input1
[ 5.025792] ACPI: Sleep Button [SLPB]
[ 5.025922] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
[ 5.025924] ACPI: Power Button [PWRF]
[ 5.026903] ACPI: Requesting acpi_cpufreq
[ 5.031899] tsc: Marking TSC unstable due to TSC halts in idle
[ 5.034066] Switched to clocksource hpet
[ 5.123175] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
[ 5.123579] input: PC Speaker as /devices/platform/pcspkr/input/input3
[ 5.124160] i2c i2c-0: nForce2 SMBus adapter at 0x2140
[ 5.124260] i2c i2c-1: nForce2 SMBus adapter at 0x2100
[ 5.125485] ACPI: bus type USB registered
[ 5.125577] usbcore: registered new interface driver usbfs
[ 5.125650] usbcore: registered new interface driver hub
[ 5.127100] usbcore: registered new device driver usb
[ 5.128156] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 5.129481] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 5.130620] ohci-pci: OHCI PCI platform driver
[ 5.130902] ohci-pci 0000:00:04.0: OHCI PCI host controller
[ 5.130972] ohci-pci 0000:00:04.0: new USB bus registered, assigned bus number 1
[ 5.131077] ohci-pci 0000:00:04.0: irq 23, io mem 0xd3488000
[ 5.131288] ehci-pci: EHCI PCI platform driver
[ 5.173695] ssb: Found chip with id 0x4321, rev 0x05 and package 0x00
[ 5.187724] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
[ 5.187797] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.187878] usb usb1: Product: OHCI PCI host controller
[ 5.187938] usb usb1: Manufacturer: Linux 3.12.0-rc3+ ohci_hcd
[ 5.188020] usb usb1: SerialNumber: 0000:00:04.0
[ 5.188459] hub 1-0:1.0: USB hub found
[ 5.188564] hub 1-0:1.0: 7 ports detected
[ 5.189220] ehci-pci 0000:00:04.1: EHCI Host Controller
[ 5.189284] ehci-pci 0000:00:04.1: new USB bus registered, assigned bus number 2
[ 5.189363] ehci-pci 0000:00:04.1: debug port 1
[ 5.189463] ehci-pci 0000:00:04.1: irq 22, io mem 0xd3489200
[ 5.202613] ehci-pci 0000:00:04.1: USB 2.0 started, EHCI 1.00
[ 5.203875] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 5.203940] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.204036] usb usb2: Product: EHCI Host Controller
[ 5.204100] usb usb2: Manufacturer: Linux 3.12.0-rc3+ ehci_hcd
[ 5.204163] usb usb2: SerialNumber: 0000:00:04.1
[ 5.204417] hub 2-0:1.0: USB hub found
[ 5.204514] hub 2-0:1.0: 7 ports detected
[ 5.236292] ssb: Sonics Silicon Backplane found on PCI device 0000:03:00.0
[ 5.260724] cfg80211: Calling CRDA to update world regulatory domain
[ 5.268086] hub 1-0:1.0: USB hub found
[ 5.268225] hub 1-0:1.0: 7 ports detected
[ 5.268727] ehci-pci 0000:00:06.1: EHCI Host Controller
[ 5.268792] ehci-pci 0000:00:06.1: new USB bus registered, assigned bus number 3
[ 5.268871] ehci-pci 0000:00:06.1: debug port 1
[ 5.268975] ehci-pci 0000:00:06.1: irq 20, io mem 0xd3489100
[ 5.281075] applesmc: key=154 fan=1 temp=8 index=8 acc=0 lux=0 kbd=0
[ 5.281164] ehci-pci 0000:00:06.1: USB 2.0 started, EHCI 1.00
[ 5.281275] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
[ 5.281340] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.281412] usb usb3: Product: EHCI Host Controller
[ 5.281472] usb usb3: Manufacturer: Linux 3.12.0-rc3+ ehci_hcd
[ 5.281536] usb usb3: SerialNumber: 0000:00:06.1
[ 5.281841] hub 3-0:1.0: USB hub found
[ 5.281941] hub 3-0:1.0: 5 ports detected
[ 5.282649] ohci-pci 0000:00:06.0: OHCI PCI host controller
[ 5.282719] ohci-pci 0000:00:06.0: new USB bus registered, assigned bus number 4
[ 5.282821] ohci-pci 0000:00:06.0: irq 21, io mem 0xd3487000
[ 5.283078] b43-phy0: Broadcom 4321 WLAN found (core revision 12)
[ 5.296970] cfg80211: World regulatory domain updated:
[ 5.297040] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 5.297113] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 5.297186] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 5.297259] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 5.297332] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 5.297406] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 5.324314] b43-phy0: Found PHY: Analog 5, Type 4 (N), Revision 2
[ 5.338074] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
[ 5.338138] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.338214] usb usb4: Product: OHCI PCI host controller
[ 5.338278] usb usb4: Manufacturer: Linux 3.12.0-rc3+ ohci_hcd
[ 5.338343] usb usb4: SerialNumber: 0000:00:06.0
[ 5.338578] hub 4-0:1.0: USB hub found
[ 5.338653] hub 4-0:1.0: 5 ports detected
[ 5.339292] ACPI: PCI Interrupt Link [LAZA] enabled at IRQ 23
[ 5.339360] hda_intel: Disabling MSI
[ 5.348396] Broadcom 43xx driver loaded [ Features: PMNLS ]
[ 5.939512] hda_codec: ALC889A: SKU not ready 0x400000f0
[ 6.372263] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:08.0/input/input4
[ 6.468165] usb 1-3: new low-speed USB device number 2 using ohci-pci
[ 6.681163] usb 1-3: New USB device found, idVendor=046d, idProduct=c05b
[ 6.681242] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 6.681747] usb 1-3: Product: USB Optical Mouse
[ 6.681810] usb 1-3: Manufacturer: Logitech
[ 6.903306] hidraw: raw HID events driver (C) Jiri Kosina
[ 6.910510] usbcore: registered new interface driver usbhid
[ 6.910587] usbhid: USB HID core driver
[ 6.913905] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:04.0/usb1/1-3/1-3:1.0/input/input5
[ 6.914159] hid-generic 0003:046D:C05B.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:04.0-3/input0
[ 6.992188] usb 1-5: new low-speed USB device number 3 using ohci-pci
[ 7.088332] input: HDA NVidia Headphone as /devices/pci0000:00/0000:00:08.0/sound/card0/input6
[ 7.088640] input: HDA NVidia Line as /devices/pci0000:00/0000:00:08.0/sound/card0/input7
[ 7.212058] usb 1-5: New USB device found, idVendor=05ac, idProduct=8242
[ 7.212137] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 7.212203] usb 1-5: Product: IR Receiver
[ 7.212272] usb 1-5: Manufacturer: Apple Computer, Inc.
[ 7.432974] EXT4-fs (sda1): re-mounted. Opts: (null)
[ 7.464863] EXT4-fs (sda1): re-mounted. Opts: (null)
[ 7.514603] loop: module loaded
[ 7.532115] usb 1-7: new full-speed USB device number 4 using ohci-pci
[ 7.550713] [drm] Initialized drm 1.1.0 20060810
[ 7.558106] wmi: Mapper loaded
[ 7.567828] ACPI Warning: \_SB_.PCI0.IXVE.IGPU._DSM: Argument #4 type mismatch - Found [Integer], ACPI requires [Package] (20130725/nsarguments-95)
[ 7.568160] ACPI Warning: \_SB_.PCI0.IXVE.IGPU._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95)
[ 7.568614] ACPI: PCI Interrupt Link [LGPU] enabled at IRQ 22
[ 7.568828] [drm] hdmi device not found 2 0 1
[ 7.569394] nouveau [ DEVICE][0000:02:00.0] BOOT0 : 0x0ac080b1
[ 7.569460] nouveau [ DEVICE][0000:02:00.0] Chipset: MCP79/MCP7A (NVAC)
[ 7.569530] nouveau [ DEVICE][0000:02:00.0] Family : NV50
[ 7.571151] nouveau [ VBIOS][0000:02:00.0] checking PRAMIN for image...
[ 7.633082] nouveau [ VBIOS][0000:02:00.0] ... appears to be valid
[ 7.633155] nouveau [ VBIOS][0000:02:00.0] using image from PRAMIN
[ 7.633468] nouveau [ VBIOS][0000:02:00.0] BIT signature found
[ 7.633533] nouveau [ VBIOS][0000:02:00.0] version 62.79.4e.00.01
[ 7.654309] nouveau [ PMC][0000:02:00.0] MSI interrupts enabled
[ 7.654417] nouveau [ PFB][0000:02:00.0] RAM type: stolen system memory
[ 7.654481] nouveau [ PFB][0000:02:00.0] RAM size: 256 MiB
[ 7.654546] nouveau [ PFB][0000:02:00.0] ZCOMP: 0 tags
[ 7.687282] nouveau [ PTHERM][0000:02:00.0] FAN control: none / external
[ 7.687366] nouveau [ PTHERM][0000:02:00.0] fan management: automatic
[ 7.687429] nouveau [ PTHERM][0000:02:00.0] internal sensor: yes
[ 7.687500] nouveau [ CLK][0000:02:00.0] 03: core 150 MHz shader 300 MHz
[ 7.687575] nouveau [ CLK][0000:02:00.0] 05: core 150 MHz shader 300 MHz
[ 7.687648] nouveau [ CLK][0000:02:00.0] 0e: core 350 MHz shader 800 MHz
[ 7.687721] nouveau [ CLK][0000:02:00.0] 0f: core 450 MHz shader 1100 MHz
[ 7.687806] nouveau E[ CLK][0000:02:00.0] 17 freq unknown
[ 7.687867] nouveau E[ CLK][0000:02:00.0] init failed, -22
[ 7.687932] nouveau E[ DRM] failed to create 0x80000080, -22
[ 7.692470] BUG: unable to handle kernel NULL pointer dereference at 000000000000004c
[ 7.692640] IP: [<ffffffffa057f34f>] drm_unplug_minor+0xd/0x31 [drm]
[ 7.692757] PGD b7c93067 PUD 0
[ 7.692901] Oops: 0000 [#1] SMP
[ 7.693049] Modules linked in: nouveau(+) video mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm drm loop hid_generic usbhid hid snd_hda_codec_realtek arc4 b43 rng_core bcma mac80211 cfg80211 rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer evdev coretemp snd ssb kvm_intel pcmcia pcmcia_core applesmc ehci_pci ohci_pci ohci_hcd kvm ehci_hcd input_polldev mmc_core i2c_nforce2 pcspkr shpchp soundcore usbcore i2c_core usb_common acpi_cpufreq processor button thermal_sys ext4 crc16 mbcache jbd2 btrfs crc32c libcrc32c xor raid6_pq dm_mod sg sd_mod sr_mod crc_t10dif cdrom crct10dif_common ata_generic ahci libahci microcode firewire_ohci libata firewire_core crc_itu_t scsi_mod
[ 7.696174] CPU: 1 PID: 1131 Comm: modprobe Not tainted 3.12.0-rc3+ #40
[ 7.696174] Hardware name: Apple Inc. Macmini3,1/Mac-F22C86C8, BIOS MM31.88Z.0081.B06.0904271717 04/27/09
[ 7.696174] task: ffff8800b7c33080 ti: ffff8800b7c8e000 task.ti: ffff8800b7c8e000
[ 7.696174] RIP: 0010:[<ffffffffa057f34f>] [<ffffffffa057f34f>] drm_unplug_minor+0xd/0x31 [drm]
[ 7.696174] RSP: 0018:ffff8800b7c8fb38 EFLAGS: 00010282
[ 7.696174] RAX: 0000000000000000 RBX: ffff8800b8e2a440 RCX: ffffffffa059f737
[ 7.696174] RDX: ffffffffa0594610 RSI: ffffffffa059f753 RDI: ffff8800b8e2a440
[ 7.696174] RBP: ffff88013acc8000 R08: 0000000000000040 R09: ffff8800b7c8fa78
[ 7.696174] R10: ffff8800b7c8fa78 R11: ffff8800b7c8fa78 R12: ffffffffa0669360
[ 7.696174] R13: 00000000ffffffea R14: ffff88013acc8098 R15: ffffffffa06692f0
[ 7.696174] FS: 0000000000000000(0000) GS:ffff88013fd00000(0063) knlGS:00000000f754db40
[ 7.696174] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
[ 7.696174] CR2: 000000000000004c CR3: 00000000b7c38000 CR4: 00000000000407e0
[ 7.696174] Stack:
[ 7.696174] ffff8800b8e2a440 ffffffffa057f464 ffff8800b7dff800 ffffffffa057f47f
[ 7.696174] ffff8800b7dff800 ffffffffa05813aa ffff88000000000d 0000000000000000
[ 7.696174] ffff88013acc8000 ffff88013acc8000 ffff88013acb1b20 ffffffffa06692f0
[ 7.696174] Call Trace:
[ 7.696174] [<ffffffffa057f464>] ? drm_put_minor+0x35/0x40 [drm]
[ 7.696174] [<ffffffffa057f47f>] ? drm_dev_free+0x10/0x66 [drm]
[ 7.696174] [<ffffffffa05813aa>] ? drm_get_pci_dev+0x10a/0x124 [drm]
[ 7.696174] [<ffffffffa06185a2>] ? nouveau_drm_probe+0x1d1/0x1fb [nouveau]
[ 7.696174] [<ffffffff811e1c57>] ? local_pci_probe+0x34/0x5a
[ 7.696174] [<ffffffff8126c9d5>] ? driver_probe_device+0x1b3/0x1b3
[ 7.696174] [<ffffffff811e1d3e>] ? pci_device_probe+0xc1/0xe5
[ 7.696174] [<ffffffff8126c8b4>] ? driver_probe_device+0x92/0x1b3
[ 7.696174] [<ffffffff8126ca28>] ? __driver_attach+0x53/0x73
[ 7.696174] [<ffffffff8126b018>] ? bus_for_each_dev+0x4e/0x7f
[ 7.696174] [<ffffffff8126c07b>] ? bus_add_driver+0xea/0x232
[ 7.696174] [<ffffffffa0684000>] ? 0xffffffffa0683fff
[ 7.696174] [<ffffffff8126cf6a>] ? driver_register+0x82/0xb5
[ 7.696174] [<ffffffffa0684000>] ? 0xffffffffa0683fff
[ 7.696174] [<ffffffffa0684000>] ? 0xffffffffa0683fff
[ 7.696174] [<ffffffff8100025a>] ? do_one_initcall+0x78/0xf6
[ 7.696174] [<ffffffffa0684000>] ? 0xffffffffa0683fff
[ 7.696174] [<ffffffff8102e9c8>] ? change_page_attr_set+0x23/0x28
[ 7.696174] [<ffffffff810547f3>] ? __blocking_notifier_call_chain+0x4f/0x5d
[ 7.696174] [<ffffffffa0684000>] ? 0xffffffffa0683fff
[ 7.696174] [<ffffffff810848a1>] ? load_module+0x1b11/0x1df7
[ 7.696174] [<ffffffff810817ae>] ? show_initstate+0x41/0x41
[ 7.696174] [<ffffffff81370572>] ? page_fault+0x22/0x30
[ 7.696174] [<ffffffff81084c17>] ? SyS_init_module+0x90/0x9b
[ 7.696174] [<ffffffff813767f5>] ? sysenter_dispatch+0x7/0x1a
[ 7.696174] Code: 48 8d 44 24 18 c7 44 24 18 10 00 00 00 48 89 44 24 10 31 c0 e8 98 ab de e0 48 83 c4 68 c3 48 85 ff 53 48 89 fb 74 26 48 8b 47 10 <f6> 40 4c 02 74 1c e8 62 d6 00 00 48 89 df e8 fa 31 00 00 8b 33
[ 7.696174] RIP [<ffffffffa057f34f>] drm_unplug_minor+0xd/0x31 [drm]
[ 7.696174] RSP <ffff8800b7c8fb38>
[ 7.696174] CR2: 000000000000004c
[ 7.704562] ---[ end trace 3cd6c393a9a969c7 ]---
[ 7.756073] usb 1-7: New USB device found, idVendor=17ef, idProduct=6047
[ 7.756151] usb 1-7: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 7.756229] usb 1-7: Product: ThinkPad Compact USB Keyboard with TrackPoint
[ 7.756294] usb 1-7: Manufacturer: Lenovo
[ 7.766623] input: Lenovo ThinkPad Compact USB Keyboard with TrackPoint as /devices/pci0000:00/0000:00:04.0/usb1/1-7/1-7:1.0/input/input8
[ 7.766938] hid-generic 0003:17EF:6047.0003: input,hidraw1: USB HID v1.00 Keyboard [Lenovo ThinkPad Compact USB Keyboard with TrackPoint] on usb-0000:00:04.0-7/input0
[ 7.776285] input: Lenovo ThinkPad Compact USB Keyboard with TrackPoint as /devices/pci0000:00/0000:00:04.0/usb1/1-7/1-7:1.1/input/input9
[ 7.776892] hid-generic 0003:17EF:6047.0004: input,hiddev0,hidraw2: USB HID v1.00 Mouse [Lenovo ThinkPad Compact USB Keyboard with TrackPoint] on usb-0000:00:04.0-7/input1
[ 8.328061] usb 4-1: new full-speed USB device number 2 using ohci-pci
[ 8.550081] usb 4-1: New USB device found, idVendor=0a5c, idProduct=4500
[ 8.550187] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 8.550254] usb 4-1: Product: BCM2045B2
[ 8.550320] usb 4-1: Manufacturer: Broadcom
[ 8.553197] hub 4-1:1.0: USB hub found
[ 8.556059] hub 4-1:1.0: 3 ports detected
[ 8.854079] usb 4-1.1: new full-speed USB device number 3 using ohci-pci
[ 8.956061] RPC: Registered named UNIX socket transport module.
[ 8.963520] RPC: Registered udp transport module.
[ 8.963588] RPC: Registered tcp transport module.
[ 8.963649] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 8.967482] FS-Cache: Loaded
[ 8.974392] FS-Cache: Netfs 'nfs' registered for caching
[ 8.981081] usb 4-1.1: New USB device found, idVendor=05ac, idProduct=8216
[ 8.981151] usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 8.981231] usb 4-1.1: Product: Bluetooth USB Host Controller
[ 8.981292] usb 4-1.1: Manufacturer: Apple, Inc.
[ 8.981355] usb 4-1.1: SerialNumber: 002436EB7CF7
[ 8.982020] Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx).
[ 9.194337] Bluetooth: Core ver 2.16
[ 9.194437] NET: Registered protocol family 31
[ 9.194499] Bluetooth: HCI device and connection manager initialized
[ 9.194719] Bluetooth: HCI socket layer initialized
[ 9.194783] Bluetooth: L2CAP socket layer initialized
[ 9.194851] Bluetooth: SCO socket layer initialized
[ 9.196967] usbcore: registered new interface driver btusb
[ 10.414882] Ebtables v2.0 registered
[ 10.425528] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 10.435630] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 10.488836] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input10
[ 11.340470] postgres (3450): /proc/3450/oom_adj is deprecated, please use /proc/3450/oom_score_adj instead.
[ 17.687914] SysRq : Resetting

More variations of the same bug:

https://thomas.glanzmann.de/tmp/nouveau_breakage.txt

So I bisected it and found that commit
7c856522069755ab9d163a24ac332cd3cb35fe30 is the culprit. Please advise.
It panics before X is started. I'm available for regression testing.

commit 7c856522069755ab9d163a24ac332cd3cb35fe30
Author: Ben Skeggs <bskeggs@xxxxxxxxxx>
Date: Mon Jan 14 08:28:28 2013 +1000

drm/nouveau/clk: implement power state and engine clock control in core

User control of this has been hard-coded as disabled for now.

Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>

LSPCI Output:

02:00.0 VGA compatible controller: NVIDIA Corporation C79 [GeForce 9400] (rev b1) (prog-if 00 [VGA controller])
Subsystem: Apple Inc. Device 00ae
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 22
Region 0: Memory at d2000000 (32-bit, non-prefetchable) [size=16M]
Region 1: Memory at c0000000 (64-bit, prefetchable) [size=256M]
Region 3: Memory at d0000000 (64-bit, prefetchable) [size=32M]
Region 5: I/O ports at 1000 [size=128]
Expansion ROM at d3000000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Kernel driver in use: nouveau

(mini) [/scratch/linux-2.6] git bisect log
# bad: [002acf1fc16cf60e60345bd68e03734628505b83] Merge tag 'pm-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
# good: [5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52] Linux 3.12
git bisect start 'HEAD' 'v3.12'
# good: [5cbb3d216e2041700231bcfc383ee5f8b7fc8b74] Merge branch 'akpm' (patches from Andrew Morton)
git bisect good 5cbb3d216e2041700231bcfc383ee5f8b7fc8b74
# good: [eda670c626a4f53eb8ac5f20d8c10d3f0b54c583] Merge tag 'stable/for-linus-3.13-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
git bisect good eda670c626a4f53eb8ac5f20d8c10d3f0b54c583
# bad: [cdd278db0e3dd714e8076e58f723f3c59547591b] Merge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac
git bisect bad cdd278db0e3dd714e8076e58f723f3c59547591b
# bad: [a3483353ca4e6dbeef2ed62ebed01af109b5b27a] drm: check for !kdev in drm_unplug_minor()
git bisect bad a3483353ca4e6dbeef2ed62ebed01af109b5b27a
# good: [ddb642fb0566758ace34384538720db0e24bcd4c] drm/i915: rename i915_init_power_well to init_power_domains_init
git bisect good ddb642fb0566758ace34384538720db0e24bcd4c
# good: [9e2b734f1cc43e94558bfd2b779d8e493abea0f4] drm/nouveau/i2c: use a custom bitbanging delay for the adt7473
git bisect good 9e2b734f1cc43e94558bfd2b779d8e493abea0f4
# bad: [8d0a2215931f1ffd77aef65cae2c0becc3f5d560] Merge branch 'drm-next-3.13' of git://people.freedesktop.org/~agd5f/linux into drm-next
git bisect bad 8d0a2215931f1ffd77aef65cae2c0becc3f5d560
# bad: [21136946c495b0e1e0f7e25a8de6f170efbdeadf] drm/vmwgfx: fix warning if config intel iommu is off.
git bisect bad 21136946c495b0e1e0f7e25a8de6f170efbdeadf
# good: [09b8d73bd5aa4a4897d2fa603e683f09ac7e9916] drm/nvc0/therm: allow fan control if we've killed the vbios ppwr ucode
git bisect good 09b8d73bd5aa4a4897d2fa603e683f09ac7e9916
# good: [0833428e7d1b250afbd41e0a4c8c247cccd15aad] drm/nouveau/bios: parsing for various tables required for power management
git bisect good 0833428e7d1b250afbd41e0a4c8c247cccd15aad
# bad: [26fdd78cce3f51a49e1f2d3ad27ee893a28d220e] drm/nouveau: implement a simple sysfs interface to new pm code
git bisect bad 26fdd78cce3f51a49e1f2d3ad27ee893a28d220e
# bad: [7c856522069755ab9d163a24ac332cd3cb35fe30] drm/nouveau/clk: implement power state and engine clock control in core
git bisect bad 7c856522069755ab9d163a24ac332cd3cb35fe30
# good: [c9c0ccae48e27b767e98a4c120976e43195dd3a7] drm/nouveau/volt: implement voltage control in core
git bisect good c9c0ccae48e27b767e98a4c120976e43195dd3a7

Cheers,
Thomas
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/