Nouveau - Dec 2014 - [Bug 86935] New: unknown kepler chipset

https://bugs.freedesktop.org/show_bug.cgi?id=86935

            Bug ID: 86935
           Summary: unknown kepler chipset
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: sven.koehler at gmail.com
        QA Contact: xorg-team at lists.x.org

With Linux 3.17.4, I get the following errors in dmesg:

nouveau ![  DEVICE][0000:01:00.0] unknown Kepler chipset
nouveau E[  DEVICE][0000:01:00.0] unknown chipset, 0xb06070b1
nouveau E[     DRM] failed to create 0x00000080, -22
nouveau: probe of 0000:01:00.0 failed with error -22

Obviously, I don't have a framebuffer console during boot and of course
nouveau-based X also doesn't work. I'm currently using uvesafb as a
workaround.

lspci -v output:

01:00.0 VGA compatible controller: NVIDIA Corporation GK208 [GeForce GT 730]
(rev a1) (prog-if 00 [VGA controller])
    Subsystem: CardExpert Technology Device 1287
    Flags: bus master, fast devsel, latency 0, IRQ 11
    Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
    Memory at e8000000 (64-bit, prefetchable) [size=128M]
    Memory at f0000000 (64-bit, prefetchable) [size=32M]
    I/O ports at e000 [size=128]
    Expansion ROM at f7000000 [disabled] [size=512K]
    Capabilities: [60] Power Management version 3
    Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
    Capabilities: [78] Express Legacy Endpoint, MSI 00
    Capabilities: [100] Virtual Channel
    Capabilities: [128] Power Budgeting <?>
    Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024
<?>
    Kernel modules: nouveau

I have no additional details on the card. It came with an HP office PC.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|unknown kepler chipset      |[NV106] unknown kepler
                   |                            |chipset 0x106

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Yeah, these are the funky GK208B's (often marketed as GT 720?). You can try
adding 0x106 right above case 0x108 in
drivers/gpu/drm/nouveau/core/engine/device/nve0.c -- they should be identical
or at least similar.

If that doesn't work, please append a dmesg here (after the patch) and send
a
mmiotrace of the blob + vbios to mmio.dumps at gmail.com -- good guide available
at https://wiki.ubuntu.com/X/MMIOTracing

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--- Comment #2 from Sven <sven.koehler at gmail.com> ---
Created attachment 110361
  --> https://bugs.freedesktop.org/attachment.cgi?id=110361&action=edit
the patch proposed in the previous comment

Adding 0x106 seems to have worked. I can now boot with nouveau framebuffer and
nouveau Xorg driver also works.

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--- Comment #3 from Sven <sven.koehler at gmail.com> ---
Will this patch be included in 3.18 (a bit late I guess) or maybe 3.19?

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--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Sven from comment #2)
> Created attachment 110361 [details] [review]
> the patch proposed in the previous comment
> 
> Adding 0x106 seems to have worked. I can now boot with nouveau framebuffer
> and nouveau Xorg driver also works.
Awesome. Please confirm that you're using the nouveau 3d driver (you'll
need at
least mesa 10.2). Try running some semi-stressing 3d thing too? Not sure if you
use gnome-shell or something. [glxgears isn't really enough, although
it's a
start.]

Also, I think it'd still be nice if you could provide a mmiotrace of the
blob,
the chip could have different golden init values, and other small differences.

As for the patch, change it so that the 0x106 case gets a full copy of the
0x108 stuff, and call it GK208B in the name string, and send it as a proper
patch (with git format-patch) to nouveau at lists.freedesktop.org .

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--- Comment #5 from Sven <sven.koehler at gmail.com> ---
I will try to do the mmiotrace of the blob. Problem is, that the binary nvidia
drivers gives me a kernel OOPS. Yay!

Also, while I can make the changes to the kernel source, I'm not really sure
what you're asking from me regarding the git format-patch. I'm not
really an
experienced git user yet.

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--- Comment #6 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Sven from comment #5)
> I will try to do the mmiotrace of the blob. Problem is, that the binary
> nvidia drivers gives me a kernel OOPS. Yay!
D'oh! Maybe try a newer driver? If it oopses "later" rather than
on load/X
start, then that should be enough for a mmiotrace.
> 
> Also, while I can make the changes to the kernel source, I'm not really
sure
> what you're asking from me regarding the git format-patch. I'm not
really an
> experienced git user yet.
Step 1: get a git checkout
Step 2: Make changes
Step 3: git commit -a [pops up editor window, enter in a commit log, subject on
first line, blank line, then longer description as necessary, and your sign
off]
Step 4: git format-patch HEAD^..
Step 5: review the foo.patch file that's generated
Step 6: git send-email --to 'nouveau at lists.freedesktop.org' foo.patch
[or send
it as an email in some other way, just make sure that way preserves little
details like tabs]

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--- Comment #7 from Sven <sven.koehler at gmail.com> ---
(In reply to Ilia Mirkin from comment #6)
> (In reply to Sven from comment #5)
> > I will try to do the mmiotrace of the blob. Problem is, that the
binary
> > nvidia drivers gives me a kernel OOPS. Yay!
> 
> D'oh! Maybe try a newer driver? If it oopses "later" rather
than on load/X
> start, then that should be enough for a mmiotrace.
I'm on gentoo. I was using the newest nvidia driver. But I suspect the
kernel
was too new. Anyhow, on the 3rd try it didn't oops. Trace has been emailed.

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--- Comment #8 from Sven <sven.koehler at gmail.com> ---
(In reply to Ilia Mirkin from comment #4)
> (In reply to Sven from comment #2)
> > Adding 0x106 seems to have worked. I can now boot with nouveau
framebuffer
> > and nouveau Xorg driver also works.
> 
> Awesome. Please confirm that you're using the nouveau 3d driver
(you'll need
> at least mesa 10.2). Try running some semi-stressing 3d thing too? Not sure
> if you use gnome-shell or something. [glxgears isn't really enough,
although
> it's a start.]
I'm using mesa 10.3.4 and glxinfo confirms that I'm using "Gallium
0.4 on
NV106" and not software rendering or nvidia binary driver. I can confirm
that
glxgears, quake3-demo, and 0ad alpha 17 run fine. Everything looks like it
should.

Sorry, no gnome-shell here. I'm using the MATE Desktop Environment (good old
fast 2D stuff).

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Sven <sven.koehler at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #110361|0                           |1
        is obsolete|                            |

--- Comment #9 from Sven <sven.koehler at gmail.com> ---
Created attachment 110407
  --> https://bugs.freedesktop.org/attachment.cgi?id=110407&action=edit
proper patch

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--- Comment #10 from Sven <sven.koehler at gmail.com> ---
There is an error in dmesg with the patch applied:
nouveau E[    PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT at 0x500c30 [
IBUS ]

It doesn't seem to matter though. Is it something serious?

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--- Comment #11 from Sven <sven.koehler at gmail.com> ---
nouveau 0000:01:00.0: Direct firmware load for nouveau/nv106_fuc084 failed with
error -2
nouveau 0000:01:00.0: Direct firmware load for nouveau/nv106_fuc084d failed
with error -2
nouveau E[    PBSP][0000:01:00.0] unable to load firmware data
nouveau E[    PBSP][0000:01:00.0] init failed, -2

Does extract_firmware.py need updating?
(I have Gentoo's nvidia-firmware-340.32 installed)

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--- Comment #12 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Sven from comment #11)
> nouveau 0000:01:00.0: Direct firmware load for nouveau/nv106_fuc084 failed
> with error -2
> nouveau 0000:01:00.0: Direct firmware load for nouveau/nv106_fuc084d failed
> with error -2
> nouveau E[    PBSP][0000:01:00.0] unable to load firmware data
> nouveau E[    PBSP][0000:01:00.0] init failed, -2
> 
> Does extract_firmware.py need updating?
> (I have Gentoo's nvidia-firmware-340.32 installed)
Just add symlinks, same as for nv108, to the bsp/vp/ppp files. I'll update
extract_firmware.py shortly.

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--- Comment #13 from Bjørn Lie <bjorn.lie at gmail.com> ---
Any chance we can get this into 3.20?

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--- Comment #14 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Bjørn Lie from comment #13)
> Any chance we can get this into 3.20?
The current plan is for it to be added into 3.19 I believe.

http://cgit.freedesktop.org/~darktama/nouveau/log/?h=linux-3.19

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--- Comment #15 from Bjørn Lie <bjorn.lie at gmail.com> ---
Running kernel 3.19.0 now, and nouveau driver now recognizes my card :-)

I guess this bug can be closed, but leaving it up to the developer.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

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