Nouveau - Aug 2010 - [Bug 29403] New: [nvac] attempting to use displayport freezes machine

https://bugs.freedesktop.org/show_bug.cgi?id=29403

           Summary: [nvac] attempting to use displayport freezes machine
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: daniel at fooishbar.org
         QAContact: xorg-team at lists.x.org


Created an attachment (id=37579)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37579)
dmesg output from startup

I've got a MacBookAir2,1 with an NVAC/9400M.  LVDS works fine with the patch
from bug #29171, but whenever I plug my Dell 2407FPW in via a mini-DP -> DVI
adaptor, my log quickly fills up with:
Aug  5 16:21:09 tempa kernel: [drm] nouveau 0000:02:00.0: plugged DisplayPort-1
Aug  5 16:21:10 tempa kernel: [drm] nouveau 0000:02:00.0: 0xC542: parsing clock
script 0
Aug  5 16:21:10 tempa kernel: [drm] nouveau 0000:02:00.0: 0xBC68: parsing clock
script 1
Aug  5 16:21:10 tempa kernel: [drm] nouveau 0000:02:00.0: unplugged
DisplayPort-1
Aug  5 16:21:10 tempa kernel: [drm] nouveau 0000:02:00.0: plugged DisplayPort-1
Aug  5 16:21:10 tempa kernel: [drm] nouveau 0000:02:00.0: unplugged
DisplayPort-1
Aug  5 16:21:10 tempa kernel: [drm] nouveau 0000:02:00.0: DDC responded, but no
EDID for DisplayPort-1
Aug  5 16:21:10 tempa kernel: [drm] nouveau 0000:02:00.0: plugged DisplayPort-1
Aug  5 16:21:15 tempa kernel: [drm:drm_edid_block_valid] *ERROR* EDID checksum
is invalid, remainder is 84
Aug  5 16:21:15 tempa kernel: [drm:drm_edid_block_valid] *ERROR* Raw EDID:
Aug  5 16:21:15 tempa kernel: <3>00 ff ff ff ff ff ff 00 10 ac 2a a0 53 32
56
31  ..........*.S2V1
Aug  5 16:21:15 tempa kernel: <3>2b 12 01 03 80 34 20 78 ea b3 25 ac 51 30
b4
26  +....4 x..%.Q0.&
Aug  5 16:21:15 tempa kernel: <3>10 50 54 a5 4b 00 81 80 a9 40 71 4f 01 01
01
01  .PT.K.... at qO....
Aug  5 16:21:15 tempa kernel: <3>01 01 01 01 01 01 28 3c 80 a0 70 b0 23 40
30
20  ......(<..p.#@0 
Aug  5 16:21:15 tempa kernel: <3>36 00 07 44 21 00 00 1a 00 00 00 ff 00 47
32
39  6..D!........G29
Aug  5 16:21:15 tempa kernel: <3>31 48 38 41 4d 31 56 32 53 0a 00 00 00 fc
00
44  1H8AM1V2S......D
Aug  5 16:21:15 tempa kernel: <3>45 4c 4c 20 32 34 30 38 57 46 50 0a 00 00
10
ff  ELL 2408WFP.....
Aug  5 16:21:15 tempa kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff
ff  ................
Aug  5 16:21:15 tempa kernel:
Aug  5 16:21:46 tempa kernel: [drm] nouveau 0000:02:00.0: unplugged
DisplayPort-1
Aug  5 16:21:47 tempa kernel: [drm] nouveau 0000:02:00.0: plugged DisplayPort-1
Aug  5 16:21:47 tempa kernel: [drm] nouveau 0000:02:00.0: unplugged
DisplayPort-1
Aug  5 16:21:47 tempa kernel: [drm] nouveau 0000:02:00.0: unplugged
DisplayPort-1
Aug  5 16:21:47 tempa kernel: [drm] nouveau 0000:02:00.0: plugged DisplayPort-1
Aug  5 16:21:48 tempa kernel: [drm] nouveau 0000:02:00.0: unplugged
DisplayPort-1

Aug  5 16:21:49 tempa kernel: [drm] nouveau 0000:02:00.0: plugged DisplayPort-1
Aug  5 16:21:51 tempa kernel: [drm] nouveau 0000:02:00.0: DDC responded, but no
EDID for DisplayPort-1
Aug  5 16:22:04 tempa kernel: [drm] nouveau 0000:02:00.0: unplugged
DisplayPort-1
Aug  5 16:22:04 tempa kernel: [drm] nouveau 0000:02:00.0: plugged DisplayPort-1
Aug  5 16:22:04 tempa kernel: i2c i2c-3: sendbytes: NAK bailout.
Aug  5 16:22:04 tempa kernel: [drm] nouveau 0000:02:00.0: unplugged
DisplayPort-1

LVDS flickers a bit while this happens, and eventually the machine deadlocks. 
Let me know if you'd like any more logs, etc; I've attached the relevant
parts
of dmesg from startup, but I'm not particularly sure it's useful.

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https://bugs.freedesktop.org/show_bug.cgi?id=29403

--- Comment #1 from Daniel Stone <daniel at fooishbar.org> 2010-08-15
20:55:55 PDT ---
This is booting with pure EFI, if that helps.

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https://bugs.freedesktop.org/show_bug.cgi?id=29403

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

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

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty
good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your
distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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