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From: "Michel Dänzer" <michel@daenzer.net>
To: Pavel Ivanov <paivanof@gmail.com>
Cc: dri-devel@lists.freedesktop.org,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Kernel almost hangs when CONFIG_DRM_RADEON=y
Date: Sat, 27 Aug 2011 11:00:38 +0200	[thread overview]
Message-ID: <1314435638.2321.12.camel@thor.local> (raw)
In-Reply-To: <CAG1a4rs53RwkSxBvRQ5MrUbm7KEnpuEjw2fhSnT_1vqVPQrqgA@mail.gmail.com>

On Sam, 2011-08-27 at 00:20 -0400, Pavel Ivanov wrote: 
> 
> I observe very strange behavior dependent on value of
> CONFIG_DRM_RADEON parameter. When it's set to m everything works very
> good, no problem. When I set it to y I see kernel hang during boot. Or
> I should better say it "almost hangs" because during last boot attempt
> I accidentally waited a little bit longer and saw that after more than
> a minute waiting system continued to boot. Dmesg after "hang" shows
> these messages:
> 
> [    8.542639] [drm] Loading CEDAR Microcode
> [   69.161605] r600_cp: Failed to load firmware "radeon/CEDAR_pfp.bin"
> [   69.161670] [drm:evergreen_startup] *ERROR* Failed to load firmware!
> 
> While during normal boot
> 
> [    9.898870] [drm] Loading CEDAR Microcode
> [    9.908425] radeon 0000:05:00.0: WB enabled

With CONFIG_DRM_RADEON=y, the microcode is needed before it can be
loaded from userspace, so it needs to be built into the kernel as well.


-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer

  reply	other threads:[~2011-08-27  9:00 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-27  4:20 Kernel almost hangs when CONFIG_DRM_RADEON=y Pavel Ivanov
2011-08-27  9:00 ` Michel Dänzer [this message]
2011-08-27 22:50   ` Pavel Ivanov
2011-08-28  5:36     ` Borislav Petkov
2011-08-28 21:47       ` Pavel Ivanov
2011-08-29  5:49         ` Borislav Petkov
2011-08-29  6:04           ` Michel Dänzer
2011-08-29 13:20       ` Peter Zijlstra
2011-08-29 13:38         ` Borislav Petkov
2011-08-29 13:43           ` Dave Airlie
2011-08-29 13:48           ` Alex Deucher
2011-08-29 14:16             ` Borislav Petkov
2011-08-29 15:47               ` David Airlie
2011-08-29 15:55                 ` Borislav Petkov
2011-08-29 16:10                   ` Arnaud Lacombe
2011-08-29 17:17                     ` Borislav Petkov
2011-08-29 17:38                       ` Michel Dänzer
2011-08-29 17:50                       ` Peter Zijlstra
2011-08-29 18:09                       ` Peter Zijlstra
2011-08-29 18:16                       ` Peter Zijlstra
2011-08-29 21:14                         ` Borislav Petkov
2011-08-30  2:08                           ` Henrique de Moraes Holschuh
2011-08-30  7:17                             ` Borislav Petkov
2011-08-30 14:44                               ` Henrique de Moraes Holschuh
2011-08-30  8:37                             ` Peter Zijlstra
2011-08-30 14:55                               ` Henrique de Moraes Holschuh
2011-08-29 16:28             ` Kyle Moffett
2011-08-29 17:21               ` Borislav Petkov
2011-08-29 17:51                 ` Peter Zijlstra
2011-08-27 23:03   ` Kyle Moffett

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