Re: Regression: drm/nouveau/clk: implement power state and engineclock control in core (7c856522069755ab9d163a24ac332cd3cb35fe30) breaksGeForce 9400 on Intel Mac Mini Model November 2010 model

From: Ilia Mirkin
Date: Fri Dec 06 2013 - 06:45:29 EST

On Fri, Dec 6, 2013 at 2:44 AM, Thomas Glanzmann <thomas@xxxxxxxxxxxx> wrote:
> [ 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

http://lists.freedesktop.org/archives/nouveau/2013-December/015304.html

> [ 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]

http://lists.freedesktop.org/archives/dri-devel/2013-December/050098.html
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