[Bug 73791] New: [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

[Bug 73791] New: [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

          Priority: medium
            Bug ID: 73791
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: [NV96] [BISECTED] Regression: 9600M GT fails to boot
                    with 3.13-rc8
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: andreas.reis-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 92385
  --> https://bugs.freedesktop.org/attachment.cgi?id=92385&action=edit
dmesg (rc8 with commit reverted)

Commit "populate master subdev pointer only when fully constructed" breaks
support for my 9600M GT (G96 on an Acer Aspire 6935G, bios 1.21), identified by
bisection and reverting it from the current git head (7d0d46da).

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=61b365a505d625734be9ac54066fe4700672abc9

Instead of the framebuffer switching to the display's native resolution it just
stays at the one given by the bios and the boot comes to a halt after a few
seconds (with a few tasks, like wifi initialization, still being done
afterwards).

(I don't know the proper terminology; I hope that this description is clear
enough…)

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[Bug 73791] [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Did the kernel that you were testing contain
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdd239ac99a0cc298b382c5ab5e7bcd09e8933d7
?

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[Bug 73791] [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

--- Comment #2 from Andreas Reis <andreas.reis-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
It's at Torvalds's current HEAD ("Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net"), so yes.

I also double checked 'git diff'; the 'populate master' commit is the only one
reverted.

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[Bug 73791] [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

--- Comment #3 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
The only weird thing I see in your log is

[    0.766097] nouveau  [     MXM][0000:01:00.0] unmatched output device
0x96006403e8060100
[    0.766099] nouveau  [     MXM][0000:01:00.0] unmatched output device
0x0000004100009600

Can you get the dmesg from one of the failed boots with a HEAD kernel? It's
probably in your system logs. That should pinpoint exactly where the issue is.

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[Bug 73791] [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

--- Comment #4 from Andreas Reis <andreas.reis-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Created attachment 92395
  --> https://bugs.freedesktop.org/attachment.cgi?id=92395&action=edit
dmesg of bugged 3.13-rc8+ kernel

Sorry for the delay; took me a while to remember adding "emergency" to the
kernel line in order to be able to copy the faulty dmesg.

I recompiled the kernel (at said "Merge ... net", ie. with the commit you
mentioned included). Turns out there's still a NULL pointer deference
somewhere.

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[Bug 73791] [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

--- Comment #5 from Andreas Reis <andreas.reis-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Created attachment 92398
  --> https://bugs.freedesktop.org/attachment.cgi?id=92398&action=edit
dmesg of kernel 3.12.7

There's the dmesg of the (trouble-free) kernel 3.12.7 for good measure; the two
"unmatched output devices" are already there.

Speaking of which, maybe that's related to the HDMI issue: I can connect my old
ViewSonic VX924 via VGA just fine, but when I try to connect it via HDMI (via
DVI converter cable) it gets recognized as DVI-D-1 just fine (ie. with proper
resolutions, etc.), but doesn't receive any input upon activation. No such
issue with the proprietary nvidia driver, but that's obviously for another bug
report.

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[Bug 73791] [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

--- Comment #6 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Created attachment 92399
  --> https://bugs.freedesktop.org/attachment.cgi?id=92399&action=edit
pass mxm pointer separately

For your HDMI issue -- can you see if the patch at
https://bugs.freedesktop.org/attachment.cgi?id=92185 helps (and if so, mention
something to that effect in bug #60680).

For your MXM issue -- does this help?

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[Bug 73791] [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

--- Comment #7 from Andreas Reis <andreas.reis-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Both fixes work properly, thanks!

(The two "unmatched output device" lines are the same as before, though.)

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[Bug 73791] [NV96] [BISECTED] Regression: 9600M GT fails to boot with 3.13-rc8

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https://bugs.freedesktop.org/show_bug.cgi?id=73791

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

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

--- Comment #8 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Looks like my patch made it into 3.13 (commit 72de182362... last one!). Thanks
for the report.

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