[Bug 36812] New: Radeon fails to load firmware

[Bug 36812] New: Radeon fails to load firmware

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36812

           Summary: Radeon fails to load firmware
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.0-rc2
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: cloos@jhcloos.com
        Regression: Yes


This used to work, but I had been booting with radeon.modset=0 for a few weeks,
so I do not know when it broke.

With 3.0-rc2 (compiled from git master) I get (note this first two lines):

[   61.920296] r600_cp: Failed to load firmware "radeon/R600_rlc.bin"
[   61.920370] [drm:r600_startup] *ERROR* Failed to load firmware!
[   61.920442] radeon 0000:01:05.0: disabling GPU acceleration
[   61.921543] radeon 0000:01:05.0: ffff8802fc74c400 unpin not necessary
[   61.921615] radeon 0000:01:05.0: ffff8802fc74c400 unpin not necessary
[   61.921697] [drm] Enabling audio support
[   61.921949] [drm] Radeon Display Connectors
[   61.922030] [drm] Connector 0:
[   61.922100] [drm]   VGA
[   61.922170] [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c
0x7e4c
[   61.922287] [drm]   Encoders:
[   61.922357] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[   61.922427] [drm] Connector 1:
[   61.922496] [drm]   HDMI-A
[   61.922565] [drm]   HPD1
[   61.922634] [drm]   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c
0x7e5c
[   61.922751] [drm]   Encoders:
[   61.922820] [drm]     DFP1: INTERNAL_KLDSCP_LVTMA
[   61.942202] [drm] radeon: power management initialized
[   61.958278] No connectors reported connected with modes
[   61.958351] [drm] Cannot find any crtc or sizes - going 1024x768
[   61.965068] [drm] fb mappable at 0xD0040000
[   61.965137] [drm] vram apper at 0xD0000000
[   61.965206] [drm] size 3145728
[   61.965274] [drm] fb depth is 24
[   61.965342] [drm]    pitch is 4096
[   61.965460] fbcon: radeondrmfb (fb0) is primary device
[   61.979478] Console: switching to colour frame buffer device 128x48
[   61.985634] fb0: radeondrmfb frame buffer device
[   61.985696] drm: registered panic notifier
[   61.985755] [drm] Initialized radeon 2.10.0 20080528 for 0000:01:05.0 on
minor 0

and yet:

:; ls -sl /lib/firmware/radeon/R600_rlc.bin
4 -rw-r--r-- 1 root root 3072 Jun  6 12:15 /lib/firmware/radeon/R600_rlc.bin

(from a fresh update from 
http://people.freedesktop.org/~agd5f/radeon_ucode/ .)

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[Bug 36812] Radeon fails to load firmware

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36812


Andrew Morton <akpm@linux-foundation.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |akpm@linux-foundation.org




--- Comment #1 from Andrew Morton <akpm@linux-foundation.org>  2011-06-06 23:59:54 ---
If it was Ok a couple of weeks ago then I assume that this is a psot-2.6.39
regression?

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[Bug 36812] Radeon fails to load firmware

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36812





--- Comment #2 from James Cloos <cloos@jhcloos.com>  2011-06-07 00:47:29 ---
Longer than that.

The box is usually headless; when I first got it the missing firmware prevented
booting, so I added radeon.modeset=0 to the grub config and manually changed
that for those occasions when I moved the box to the TV.  Today I changed the
grub config in honour of the upcoming 3.0. ☺

(That it boots now even though it fails to load that firmware is a nice
progression.)

My best guess, based on the timestamps of my .config archive, is that I last
connected it to the TV during the 38-rc1 timeframe.

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[Bug 36812] Radeon fails to load firmware

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36812





--- Comment #3 from James Cloos <cloos@jhcloos.com>  2011-06-07 00:53:41 ---
I forgot to add:

I don’t see from git-grep(1)ing the tree where or how the kernel knows to find
firmware in /lib/firmware.

All I can see is /lib/firmware as the target to make firmware_install and
several comments specifying /lib/firmware as the typical location.

What am I missing?

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[Bug 36812] Radeon fails to load firmware

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36812


Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com




--- Comment #4 from Alex Deucher <alexdeucher@gmail.com>  2011-06-07 02:17:36 ---
Most likely you did not include the firmware in your initrd.

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[Bug 36812] Radeon fails to load firmware

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36812


James Cloos <cloos@jhcloos.com> changed:

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




--- Comment #5 from James Cloos <cloos@jhcloos.com>  2011-06-07 04:01:31 ---
Ah.  OK.  The driver tries to load the firmware before / is mounted, then?

As I do not use initrd there the answer seems to be:

-CONFIG_EXTRA_FIRMWARE=""
+CONFIG_EXTRA_FIRMWARE="radeon/R600_rlc.bin"
+CONFIG_EXTRA_FIRMWARE_DIR="/lib/firmware"

to the .config.

Closing as invalid.  Will reopen if the above .config change doesn’t fix it.

(Last time I must have manually done what EXTRA_FIRMWARE does.  I lost that
clone in the meantime, though, so that is only a guess.  (It was a clone of
my local, pristine clone.  And the .configs were backed up in their own git
repo.  So that loss didn’t seem like much of a nuisance.  But I obviously
forgot about this issue in the meantime. ☹)

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