From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753868Ab3LFHyN (ORCPT ); Fri, 6 Dec 2013 02:54:13 -0500 Received: from infra.glanzmann.de ([78.47.70.69]:54716 "EHLO infra.glanzmann.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751958Ab3LFHyI (ORCPT ); Fri, 6 Dec 2013 02:54:08 -0500 X-Greylist: delayed 548 seconds by postgrey-1.27 at vger.kernel.org; Fri, 06 Dec 2013 02:54:07 EST Date: Fri, 6 Dec 2013 08:44:55 +0100 From: Thomas Glanzmann To: Ben Skeggs Cc: LKML , nouveau@lists.freedesktop.org Subject: Regression: drm/nouveau/clk: implement power state and engine clock control in core (7c856522069755ab9d163a24ac332cd3cb35fe30) breaks GeForce 9400 on Intel Mac Mini Model November 2010 model Message-ID: <20131206074455.GB21029@glanzmann.de> Mail-Followup-To: Thomas Glanzmann , Ben Skeggs , LKML , nouveau@lists.freedesktop.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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@redhat.com [ 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 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: [] 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:[] [] 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] [] ? drm_put_minor+0x35/0x40 [drm] [ 7.696174] [] ? drm_dev_free+0x10/0x66 [drm] [ 7.696174] [] ? drm_get_pci_dev+0x10a/0x124 [drm] [ 7.696174] [] ? nouveau_drm_probe+0x1d1/0x1fb [nouveau] [ 7.696174] [] ? local_pci_probe+0x34/0x5a [ 7.696174] [] ? driver_probe_device+0x1b3/0x1b3 [ 7.696174] [] ? pci_device_probe+0xc1/0xe5 [ 7.696174] [] ? driver_probe_device+0x92/0x1b3 [ 7.696174] [] ? __driver_attach+0x53/0x73 [ 7.696174] [] ? bus_for_each_dev+0x4e/0x7f [ 7.696174] [] ? bus_add_driver+0xea/0x232 [ 7.696174] [] ? 0xffffffffa0683fff [ 7.696174] [] ? driver_register+0x82/0xb5 [ 7.696174] [] ? 0xffffffffa0683fff [ 7.696174] [] ? 0xffffffffa0683fff [ 7.696174] [] ? do_one_initcall+0x78/0xf6 [ 7.696174] [] ? 0xffffffffa0683fff [ 7.696174] [] ? change_page_attr_set+0x23/0x28 [ 7.696174] [] ? __blocking_notifier_call_chain+0x4f/0x5d [ 7.696174] [] ? 0xffffffffa0683fff [ 7.696174] [] ? load_module+0x1b11/0x1df7 [ 7.696174] [] ? show_initstate+0x41/0x41 [ 7.696174] [] ? page_fault+0x22/0x30 [ 7.696174] [] ? SyS_init_module+0x90/0x9b [ 7.696174] [] ? 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 40 4c 02 74 1c e8 62 d6 00 00 48 89 df e8 fa 31 00 00 8b 33 [ 7.696174] RIP [] drm_unplug_minor+0xd/0x31 [drm] [ 7.696174] RSP [ 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@monad.swb.de). [ 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 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 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- SERR-