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    SubjectRe: Linux 3.4-rc4
    On 2012-04-22 22:45 -0400, Konrad Rzeszutek Wilk wrote:
    > On Sun, Apr 22, 2012 at 08:05:54PM -0400, Nick Bowler wrote:
    > > Following up on the above, the commit which introduces the panics during
    > > boot is this one:
    > >
    > > commit 8e7e70522d760c4ccd4cd370ebfa0ba69e006c6e
    > > Author: Jerome Glisse <jglisse@redhat.com>
    > > Date: Wed Nov 9 17:15:26 2011 -0500
    > >
    > > drm/ttm: isolate dma data from ttm_tt V4
    >
    > I think
    >
    > dea7e0a ttm: fix agp since ttm tt rework
    >
    > fixed that.

    Yes, I just tested this commit and the one immediately before it. The
    one before crashes in the usual way, and dea7e0a boots (with the VGA
    output black as in the original report). So this fixed the crash.

    Now, returning to the original bisection, I marked that commit as "bad"
    and dropped all the earlier "skip" markings. Git asks me to test commit
    2a44e4997c5f ("drm/nouveau/disp: introduce proper init/fini, separate
    from create/destroy"). I cherry picked the aforementioned ttm fix:

    git cherry-pick -n dea7e0a

    which succeeded. Howevew, the resulting kernel still crashes early,
    although now in a different way. I just can't win :(

    Linux version 3.2.0-rc6-bisect-00190-g2a44e49-dirty (nick@artemis) (gcc version 4.5.3 (Gentoo 4.5.3-r2 p1.1, pie-0.4.7) ) #72 PREEMPT Mon Apr 23 20:23:10 EDT 2012
    Command line: root=md:name=newroot console=ttyS0,115200n8
    BIOS-provided physical RAM map:
    BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
    BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
    BIOS-e820: 00000000000e4000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 000000007ffc0000 (usable)
    BIOS-e820: 000000007ffc0000 - 000000007ffd0000 (ACPI data)
    BIOS-e820: 000000007ffd0000 - 0000000080000000 (ACPI NVS)
    BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
    BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
    BIOS-e820: 00000000ff7c0000 - 0000000100000000 (reserved)
    NX (Execute Disable) protection: active
    DMI 2.3 present.
    AGP bridge at 00:00:00
    Aperture from AGP @ f8000000 old size 32 MB
    Aperture size 4096 MB (APSIZE 0) is not right, using settings from NB
    Aperture from AGP @ f8000000 size 32 MB (APSIZE 0)
    last_pfn = 0x7ffc0 max_arch_pfn = 0x400000000
    x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
    found SMP MP-table at [ffff8800000ff780] ff780
    init_memory_mapping: 0000000000000000-000000007ffc0000
    RAMDISK: 37c9c000 - 37ff0000
    ACPI: RSDP 00000000000f9cb0 00021 (v02 ACPIAM)
    ACPI: XSDT 000000007ffc0100 0003C (v01 A M I OEMXSDT 01000618 MSFT 00000097)
    ACPI: FACP 000000007ffc0290 000F4 (v03 A M I OEMFACP 01000618 MSFT 00000097)
    ACPI Warning: 32/64X length mismatch in Gpe1Block: 0/32 (20110623/tbfadt-529)
    ACPI Warning: Optional field Gpe1Block has zero address or length: 0x00000000000044A0/0x0 (20110623/tbfadt-560)
    ACPI: DSDT 000000007ffc0400 04524 (v01 A0055 A0055003 00000003 INTL 02002026)
    ACPI: FACS 000000007ffd0000 00040
    ACPI: APIC 000000007ffc0390 00068 (v01 A M I OEMAPIC 01000618 MSFT 00000097)
    ACPI: OEMB 000000007ffd0040 00041 (v01 A M I OEMBIOS 01000618 MSFT 00000097)
    Zone PFN ranges:
    DMA 0x00000010 -> 0x00001000
    DMA32 0x00001000 -> 0x00100000
    Normal empty
    Movable zone start PFN for each node
    early_node_map[2] active PFN ranges
    0: 0x00000010 -> 0x0000009f
    0: 0x00000100 -> 0x0007ffc0
    Nvidia board detected. Ignoring ACPI timer override.
    If you got timer trouble try acpi_use_timer_override
    ACPI: PM-Timer IO Port: 0x4008
    ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
    ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
    IOAPIC[0]: apic_id 1, version 17, address 0xfec00000, GSI 0-23
    ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
    ACPI: BIOS IRQ0 pin2 override ignored.
    ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
    ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
    ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
    Using ACPI (MADT) for SMP configuration information
    Allocating PCI resources starting at 80000000 (gap: 80000000:7ec00000)
    Built 1 zonelists in Zone order, mobility grouping on. Total pages: 516939
    Kernel command line: root=md:name=newroot console=ttyS0,115200n8
    PID hash table entries: 4096 (order: 3, 32768 bytes)
    Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
    Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
    Checking aperture...
    AGP bridge at 00:00:00
    Aperture from AGP @ f8000000 old size 32 MB
    Aperture size 4096 MB (APSIZE 0) is not right, using settings from NB
    Aperture from AGP @ f8000000 size 32 MB (APSIZE 0)
    Node 0: aperture @ f8000000 size 64 MB
    Memory: 2053596k/2096896k available (3122k kernel code, 452k absent, 42848k reserved, 3374k data, 496k init)
    NR_IRQS:4352 nr_irqs:256 16
    Extended CMOS year: 2000
    Console: colour VGA+ 80x25
    console [ttyS0] enabled
    kmemleak: Kernel memory leak detector disabled
    Fast TSC calibration using PIT
    Detected 2009.519 MHz processor.
    Calibrating delay loop (skipped), value calculated using timer frequency.. 4019.03 BogoMIPS (lpj=2009519)
    pid_max: default: 32768 minimum: 301
    Mount-cache hash table entries: 256
    mce: CPU supports 5 MCE banks
    CPU: AMD Athlon(tm) 64 Processor 3200+ stepping 08
    ACPI: Core revision 20110623
    Performance Events: AMD PMU driver.
    ... version: 0
    ... bit width: 48
    ... generic registers: 4
    ... value mask: 0000ffffffffffff
    ... max period: 00007fffffffffff
    ... fixed-purpose events: 0
    ... event mask: 000000000000000f
    MCE: In-kernel MCE decoding enabled.
    ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
    devtmpfs: initialized
    NET: Registered protocol family 16
    TOM: 0000000080000000 aka 2048M
    ACPI: bus type pci registered
    PCI: Using configuration type 1 for base access
    bio: create slab <bio-0> at 0
    ACPI: Added _OSI(Module Device)
    ACPI: Added _OSI(Processor Device)
    ACPI: Added _OSI(3.0 _SCP Extensions)
    ACPI: Added _OSI(Processor Aggregator Device)
    ACPI: Executed 1 blocks of module-level executable AML code
    ACPI: Actual Package length (234) is larger than NumElements field (3), truncated

    ACPI: Interpreter enabled
    ACPI: (supports S0 S5)
    ACPI: Using IOAPIC for interrupt routing
    ACPI: Power Resource [ISAV] (on)
    ACPI: No dock devices found.
    PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug
    ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
    pci 0000:00:0b.0: PCI bridge to [bus 01-01]
    pci 0000:00:0e.0: PCI bridge to [bus 02-02]
    pci0000:00: Unable to request _OSC control (_OSC support mask: 0x18)
    ACPI: PCI Interrupt Link [LNKA] (IRQs 16 17 18 19) *10
    ACPI: PCI Interrupt Link [LNKB] (IRQs 16 17 18 19) *9
    ACPI: PCI Interrupt Link [LNKC] (IRQs 16 17 18 19) *7
    ACPI: PCI Interrupt Link [LNKD] (IRQs 16 17 18 19) *9
    ACPI: PCI Interrupt Link [LNKE] (IRQs 16 17 18 19) *11
    ACPI: PCI Interrupt Link [LUS0] (IRQs 20 21 22) *5
    ACPI: PCI Interrupt Link [LUS1] (IRQs 20 21 22) *9
    ACPI: PCI Interrupt Link [LUS2] (IRQs 20 21 22) *10
    ACPI: PCI Interrupt Link [LKLN] (IRQs 20 21 22) *3
    ACPI: PCI Interrupt Link [LAUI] (IRQs 20 21 22) *0, disabled.
    ACPI: PCI Interrupt Link [LKMO] (IRQs 20 21 22) *0, disabled.
    ACPI: PCI Interrupt Link [LKSM] (IRQs 20 21 22) *0, disabled.
    ACPI: PCI Interrupt Link [LTID] (IRQs 20 21 22) *0
    ACPI: PCI Interrupt Link [LTIE] (IRQs 20 21 22) *0, disabled.
    ACPI: PCI Interrupt Link [LATA] (IRQs 20 21 22) *14
    vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=io+mem,locks=none
    vgaarb: loaded
    vgaarb: bridge control possible 0000:01:00.0
    SCSI subsystem initialized
    usbcore: registered new interface driver usbfs
    usbcore: registered new interface driver hub
    usbcore: registered new device driver usb
    wmi: Mapper loaded
    PCI: Using ACPI for IRQ routing
    pci 0000:00:00.0: address space collision: [mem 0xf8000000-0xfbffffff pref] conflicts with GART [mem 0xf8000000-0xfbffffff]
    pnp: PnP ACPI init
    ACPI: bus type pnp registered
    system 00:06: [io 0x0190-0x0193] has been reserved
    system 00:06: [io 0x04d0-0x04d1] has been reserved
    system 00:06: [io 0x4000-0x40ff window] has been reserved
    system 00:06: [io 0x4400-0x44ff window] has been reserved
    system 00:06: [io 0x4800-0x48ff window] has been reserved
    system 00:07: [mem 0xfec00000-0xfec00fff] could not be reserved
    system 00:07: [mem 0xfee00000-0xfeefffff] could not be reserved
    system 00:07: [mem 0xff780000-0xff7bffff] has been reserved
    system 00:08: [io 0x0480-0x0487] has been reserved
    system 00:08: [io 0x0d00-0x0d07] has been reserved
    pnp 00:0a: disabling [mem 0x00000000-0x0009ffff] because it overlaps 0000:00:00.0 BAR 0 [mem 0x00000000-0x03ffffff pref]
    pnp 00:0a: disabling [mem 0x000c0000-0x000dffff] because it overlaps 0000:00:00.0 BAR 0 [mem 0x00000000-0x03ffffff pref]
    pnp 00:0a: disabling [mem 0x000e0000-0x000fffff] because it overlaps 0000:00:00.0 BAR 0 [mem 0x00000000-0x03ffffff pref]
    pnp 00:0a: disabling [mem 0x00100000-0x7fffffff] because it overlaps 0000:00:00.0 BAR 0 [mem 0x00000000-0x03ffffff pref]
    system 00:0a: [mem 0xff7c0000-0xffffffff] has been reserved
    pnp: PnP ACPI: found 11 devices
    ACPI: ACPI bus type pnp unregistered
    Switching to clocksource acpi_pm
    pci 0000:00:0b.0: PCI bridge to [bus 01-01]
    pci 0000:00:0b.0: bridge window [mem 0xfc800000-0xfe8fffff]
    pci 0000:00:0b.0: bridge window [mem 0xd4700000-0xf46fffff pref]
    pci 0000:00:0e.0: PCI bridge to [bus 02-02]
    pci 0000:00:0e.0: bridge window [io 0xa000-0xcfff]
    pci 0000:00:0e.0: bridge window [mem 0xfe900000-0xfeafffff]
    NET: Registered protocol family 2
    IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
    TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
    TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
    TCP: Hash tables configured (established 262144 bind 65536)
    TCP reno registered
    UDP hash table entries: 1024 (order: 3, 32768 bytes)
    UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
    NET: Registered protocol family 1
    Trying to unpack rootfs image as initramfs...
    Freeing initrd memory: 3408k freed
    agpgart-amd64 0000:00:00.0: AGP bridge [10de/00e1]
    agpgart-amd64 0000:00:00.0: aperture size 4096 MB is not right, using settings from NB
    agpgart-amd64 0000:00:00.0: setting up Nforce3 AGP
    agpgart-amd64 0000:00:00.0: AGP aperture is 64M @ 0xf8000000
    msgmni has been set to 4017
    io scheduler noop registered
    io scheduler deadline registered
    io scheduler cfq registered (default)
    input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0
    ACPI: Power Button [PWRB]
    input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
    ACPI: Power Button [PWRF]
    ACPI: processor limited to max C-state 1
    Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
    serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    Real Time Clock Driver v1.12b
    Linux agpgart interface v0.103
    [drm] Initialized drm 1.1.0 20060810
    ACPI: PCI Interrupt Link [LNKE] enabled at IRQ 19
    nouveau 0000:01:00.0: PCI INT A -> Link[LNKE] -> GSI 19 (level, low) -> IRQ 19
    [drm] nouveau 0000:01:00.0: Detected an NV30 generation card (0x436200a1)
    [drm] nouveau 0000:01:00.0: Attempting to load BIOS image from PRAMIN
    [drm] nouveau 0000:01:00.0: ... appears to be valid
    [drm] nouveau 0000:01:00.0: BMP BIOS found
    [drm] nouveau 0000:01:00.0: BMP version 5.40
    [drm] nouveau 0000:01:00.0: Bios version 04.36.20.21
    [drm] nouveau 0000:01:00.0: Found Display Configuration Block version 2.2
    [drm] nouveau 0000:01:00.0: Raw DCB entry 0: 01000300 00009c40
    [drm] nouveau 0000:01:00.0: Raw DCB entry 1: 02010310 00009c40
    [drm] nouveau 0000:01:00.0: Raw DCB entry 2: 04000302 00000000
    [drm] nouveau 0000:01:00.0: Raw DCB entry 3: 02020321 00000303
    [drm] nouveau 0000:01:00.0: Loading NV17 power sequencing microcode
    [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 0 at offset 0xF01D
    [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 1 at offset 0xF4E1
    [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 2 at offset 0xF723
    [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 3 at offset 0xF896
    [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 4 at offset 0xF8B3
    [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 5 at offset 0xF8D0
    [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 6 at offset 0xF959
    Apr 24 00:58:07 modprobe: FATAL: Could not open '/lib/modules/3.2.0-rc6-bisect-00190-g2a44e49-dirty/kernel/drivers/hwmon/lm90.ko': No such file or directory

    [drm] nouveau 0000:01:00.0: 0 available performance level(s)
    [drm] nouveau 0000:01:00.0: c: core 425MHz memory 501MHz voltage 1350mV
    [TTM] Zone kernel: Available graphics memory: 1028502 kiB.
    [TTM] Initializing pool allocator.
    [TTM] Initializing DMA pool allocator.
    [drm] nouveau 0000:01:00.0: Detected 256MiB VRAM
    agpgart-amd64 0000:00:00.0: AGP 3.0 bridge
    agpgart: swapper tried to set rate=x12. Setting to AGP3 x8 mode.
    agpgart-amd64 0000:00:00.0: putting AGP V3 device into 8x mode
    nouveau 0000:01:00.0: putting AGP V3 device into 8x mode
    [drm] nouveau 0000:01:00.0: 64 MiB GART (aperture)
    [drm] nouveau 0000:01:00.0: Saving VGA fonts
    [drm] nouveau 0000:01:00.0: 0xE51A: Parsing digital output script table
    BUG: unable to handle kernel NULL pointer dereference at (null)
    IP: [<ffffffff811b7978>] nouveau_hw_load_state+0x1ffb/0x25b7
    PGD 0
    Oops: 0000 [#1] PREEMPT
    CPU 0
    Modules linked in:

    Pid: 1, comm: swapper Not tainted 3.2.0-rc6-bisect-00190-g2a44e49-dirty #72 ASUSTek Computer Inc. K8N-E-Deluxe/'K8N-E-Deluxe'
    RIP: 0010:[<ffffffff811b7978>] [<ffffffff811b7978>] nouveau_hw_load_state+0x1ffb/0x25b7
    RSP: 0018:ffff88007d05daa0 EFLAGS: 00010246
    RAX: 0000000000000000 RBX: ffff88007d1a5000 RCX: 0000000000000086
    RDX: ffff88007c2129f8 RSI: ffffc90000680800 RDI: ffffc90000680800
    RBP: ffff88007d05db20 R08: 00000000000c03c5 R09: ffff88007d0c0500
    R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
    R13: ffff88007c2129f8 R14: 0000000000000000 R15: 0000000000600800
    FS: 0000000000000000(0000) GS:ffffffff8161c000(0000) knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    CR2: 0000000000000000 CR3: 000000007d34b000 CR4: 00000000000006f0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process swapper (pid: 1, threadinfo ffff88007d05c000, task ffff88007d050ac0)
    Stack:
    0000d52c0000d510 0000d56c0000d550 00000000006013d5 00000000006013d4
    000000007d34fb38 00000000006013da 00000000006013c0 0000000000000000
    ffff88007c212aa9 ffff88007c2129f8 ffff88007d05db20 ffff88007d35d000
    Call Trace:
    [<ffffffff8120a0d9>] nv_crtc_restore+0x7f/0x118
    [<ffffffff8120c9d4>] nv04_display_init+0x61/0x7c
    [<ffffffff811c4ce9>] nouveau_display_create+0x2ec/0x310
    [<ffffffff811a6677>] nouveau_card_init+0x1386/0x1537
    [<ffffffff811a6f17>] nouveau_load+0x60f/0x656
    [<ffffffff8118f7b7>] drm_get_pci_dev+0x158/0x25d
    [<ffffffff8130501e>] nouveau_pci_probe+0x10/0x12
    [<ffffffff8111854b>] local_pci_probe+0x12/0x16
    [<ffffffff811187b5>] pci_device_probe+0x65/0x96
    [<ffffffff810dedf1>] ? sysfs_create_link+0xe/0x10
    [<ffffffff81227bb9>] driver_probe_device+0xa3/0x131
    [<ffffffff81227c9f>] __driver_attach+0x58/0x7c
    [<ffffffff81227c47>] ? driver_probe_device+0x131/0x131
    [<ffffffff81226eac>] bus_for_each_dev+0x51/0x7d
    [<ffffffff812278bc>] driver_attach+0x19/0x1b
    [<ffffffff81227548>] bus_add_driver+0xb2/0x206
    [<ffffffff81227ff2>] driver_register+0x96/0x103
    [<ffffffff81118a24>] __pci_register_driver+0x47/0xb3
    [<ffffffff8118f941>] drm_pci_init+0x85/0xea
    [<ffffffff8167c30f>] ? ttm_init+0x62/0x62
    [<ffffffff8167c30f>] ? ttm_init+0x62/0x62
    [<ffffffff8167c35e>] nouveau_init+0x4f/0x51
    [<ffffffff810002e2>] do_one_initcall+0x78/0x126
    [<ffffffff8165ab3a>] kernel_init+0x8b/0x10b
    [<ffffffff81025bd9>] ? schedule_tail+0x16/0x3d
    [<ffffffff81309dc4>] kernel_thread_helper+0x4/0x10
    [<ffffffff8165aaaf>] ? start_kernel+0x31d/0x31d
    [<ffffffff81309dc0>] ? gs_change+0xb/0xb
    Code: 55 88 e8 b9 ef 14 00 44 8b 55 88 48 8b 83 f0 02 00 00 44 89 fe 44 89 d7 48 03 70 20 e8 e0 48 f5 ff 48 8b 83 10 02 00 00 45 31 d2
    83 3c b0 00 41 0f 95 c2 41 83 fc 01 45 19 ff 41 81 e7 00 e0
    RIP [<ffffffff811b7978>] nouveau_hw_load_state+0x1ffb/0x25b7
    RSP <ffff88007d05daa0>
    CR2: 0000000000000000
    ---[ end trace 6be61658f674fe9e ]---
    Kernel panic - not syncing: Attempted to kill init!
    Pid: 1, comm: swapper Tainted: G D 3.2.0-rc6-bisect-00190-g2a44e49-dirty #72
    Call Trace:
    [<ffffffff81306809>] panic+0x9a/0x19e
    [<ffffffff8102c76b>] do_exit+0x8e/0x68c
    [<ffffffff8102b0b7>] ? kmsg_dump+0xe5/0xf6
    [<ffffffff8100487c>] oops_end+0x9d/0xa5
    [<ffffffff8101c951>] no_context+0x1fd/0x20c
    [<ffffffff8101cb10>] __bad_area_nosemaphore+0x1b0/0x1d0
    [<ffffffff8101cb3e>] bad_area_nosemaphore+0xe/0x10
    [<ffffffff8101ced9>] do_page_fault+0x173/0x36e
    [<ffffffff811bc856>] ? init_idx_addr_latched+0x147/0x162
    [<ffffffff811b9482>] ? parse_init_table+0xf3/0x1e6
    [<ffffffff81308c5f>] page_fault+0x1f/0x30
    [<ffffffff811b7978>] ? nouveau_hw_load_state+0x1ffb/0x25b7
    [<ffffffff8120a0d9>] nv_crtc_restore+0x7f/0x118
    [<ffffffff8120c9d4>] nv04_display_init+0x61/0x7c
    [<ffffffff811c4ce9>] nouveau_display_create+0x2ec/0x310
    [<ffffffff811a6677>] nouveau_card_init+0x1386/0x1537
    [<ffffffff811a6f17>] nouveau_load+0x60f/0x656
    [<ffffffff8118f7b7>] drm_get_pci_dev+0x158/0x25d
    [<ffffffff8130501e>] nouveau_pci_probe+0x10/0x12
    [<ffffffff8111854b>] local_pci_probe+0x12/0x16
    [<ffffffff811187b5>] pci_device_probe+0x65/0x96
    [<ffffffff810dedf1>] ? sysfs_create_link+0xe/0x10
    [<ffffffff81227bb9>] driver_probe_device+0xa3/0x131
    [<ffffffff81227c9f>] __driver_attach+0x58/0x7c
    [<ffffffff81227c47>] ? driver_probe_device+0x131/0x131
    [<ffffffff81226eac>] bus_for_each_dev+0x51/0x7d
    [<ffffffff812278bc>] driver_attach+0x19/0x1b
    [<ffffffff81227548>] bus_add_driver+0xb2/0x206
    [<ffffffff81227ff2>] driver_register+0x96/0x103
    [<ffffffff81118a24>] __pci_register_driver+0x47/0xb3
    [<ffffffff8118f941>] drm_pci_init+0x85/0xea
    [<ffffffff8167c30f>] ? ttm_init+0x62/0x62
    [<ffffffff8167c30f>] ? ttm_init+0x62/0x62
    [<ffffffff8167c35e>] nouveau_init+0x4f/0x51
    [<ffffffff810002e2>] do_one_initcall+0x78/0x126
    [<ffffffff8165ab3a>] kernel_init+0x8b/0x10b
    [<ffffffff81025bd9>] ? schedule_tail+0x16/0x3d
    [<ffffffff81309dc4>] kernel_thread_helper+0x4/0x10
    [<ffffffff8165aaaf>] ? start_kernel+0x31d/0x31d
    [<ffffffff81309dc0>] ? gs_change+0xb/0xb

    Cheers,
    --
    Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)



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