[Bug 25982] New: Update 7.4 -> 7.6.1 disables DRI

[Bug 25982] New: Update 7.4 -> 7.6.1 disables DRI

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=25982

           Summary: Update 7.4 -> 7.6.1 disables DRI
           Product: Mesa
           Version: 7.6
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/r300
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: curaga@operamail.com


Created an attachment (id=32563)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=32563)
dmesg

Updating only Mesa from 7.4.4 to 7.6.1 disables DRI for me.

Radeon X1300 Pro, pci-e

Initial specs: linux 2.6.30.10, Xorg 7.4, ati 6.12.4

Just to be sure, I also updated the kernel to 2.6.32.3 and Xorg to 7.5, but
still no direct rendering.

Current specs: linux 2.6.32.3, Xorg 7.5, ati 6.12.99 (today's git master).

Also tried Mesa 7.7, bug is still present.


dmesg | grep drm:
[drm] Initialized drm 1.1.0 20060810
[drm] radeon defaulting to userspace modesetting.
[drm] Initialized radeon 1.31.0 20080528 for 0000:01:00.0 on minor 0

grep drm Xorg.0.log
(II) [KMS] drm report modesetting isn't supported.
drmOpenDevice: node name is /dev/dri/card0
drmOpenByBusid: Searching for BusID pci:0000:01:00.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenByBusid: drmOpenMinor returns -1
drmOpenDevice: node name is /dev/dri/card1
drmOpenByBusid: drmOpenMinor returns -1
... etc until card15


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[Bug 25982] Update 7.4 -> 7.6.1 disables DRI

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=25982





--- Comment #1 from Lauri Kasanen <curaga@operamail.com>  2010-01-10 11:58:57 PST ---
Created an attachment (id=32564)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=32564)
lspci -vvnn


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[Bug 25982] Update 7.4 -> 7.6.1 disables DRI

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=25982





--- Comment #2 from Lauri Kasanen <curaga@operamail.com>  2010-01-10 11:59:11 PST ---
Created an attachment (id=32565)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=32565)
Xorg.0.log


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[Bug 25982] Update 7.4 -> 7.6.1 disables DRI

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=25982


Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #32563|application/octet-stream    |text/plain
          mime type|                            |
  Attachment #32563|0                           |1
           is patch|                            |




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[Bug 25982] Update 7.4 -> 7.6.1 disables DRI

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=25982


Lauri Kasanen <curaga@operamail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #32564|application/octet-stream    |text/plain
          mime type|                            |




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[Bug 25982] Update 7.4 -> 7.6.1 disables DRI

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=25982





--- Comment #3 from Lauri Kasanen <curaga@operamail.com>  2010-01-11 08:26:13 PST ---
Forgot to mention the newer Mesa also brought an update to libdrm (2.4.11 with
7.4.4, 2.4.17 with 7.6.1).
Apologies if this is a libdrm bug instead. How can I find that out?


Found a strange symptom: if X has been run with a working combo, the new combo
works as well. The new combo fails straight from a reboot.


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[Bug 25982] Update 7.4 -> 7.6.1 disables DRI

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=25982





--- Comment #4 from Michel Dänzer <michel@daenzer.net>  2010-01-11 15:48:27 PST ---
(In reply to comment #3)
> Forgot to mention the newer Mesa also brought an update to libdrm (2.4.11 with
> 7.4.4, 2.4.17 with 7.6.1).
> Apologies if this is a libdrm bug instead. How can I find that out?

E.g. by downgrading Mesa but keeping the new libdrm.

It's certainly not really possible for Mesa to prevent the X server from
enabling the DRI...

> Found a strange symptom: if X has been run with a working combo, the new combo
> works as well. The new combo fails straight from a reboot.

Sounds like maybe it's a /dev/dri/card* ownership / permissions issue. These
were traditionally determined by X but more recently udev may also play a role,
depending on how libdrm is built.


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[Bug 25982] Update 7.4 -> 7.6.1 disables DRI

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=25982


Lauri Kasanen <curaga@operamail.com> changed:

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




--- Comment #5 from Lauri Kasanen <curaga@operamail.com>  2010-01-12 01:41:23 PST ---
The git master of libdrm works. Something between 2.4.17 and master fixes this.

Thanks for your time.


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