linux-kernel - Regression: 3.9.0+ .. 3.10-rc5 freezes during boot, Radeon update ??

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Date:	Sun, 16 Jun 2013 12:58:45 +0200
From:	Jim Bos <jim876@...all.nl>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
CC:	Christian König <christian.koenig@....com>,
	Jerome Glisse <jglisse@...hat.com>,
	Alex Deucher <alexander.deucher@....com>
Subject: Regression: 3.9.0+ .. 3.10-rc5 freezes during boot, Radeon update
 ??


Was about to test 3.10-rc5 but kernel freezes during boot.

With freeze, I mean I've to hit reset button to recover, system is
basically dead, last line on the screen is:

--
fb: conflicting fb hw usage radeondrmfb vs EFI VGA - removing generic driver
--

With a *working* boot on plain 3.9.0 I get this:

[    0.390471] efifb: probing for efifb
[    0.390835] efifb: framebuffer at 0xc0000000, mapped to
0xffffc90011180000, using 6144k, total 16384k
[    0.390837] efifb: mode is 1024x768x32, linelength=4096, pages=1
[    0.390839] efifb: scrolling: redraw
[    0.390840] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0
[    0.392203] Console: switching to colour frame buffer device 128x48
[    0.393461] fb0: EFI VGA frame buffer device
[    0.393476] intel_idle: MWAIT substates: 0x1120
[    0.393477] intel_idle: v0.4 model 0x2A
[    0.393478] intel_idle: lapic_timer_reliable_states 0xffffffff
[    0.393524] input: Power Button as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
[    0.393549] ACPI: Power Button [PWRB]
[    0.393578] input: Power Button as
/devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
[    0.393599] ACPI: Power Button [PWRF]
[    0.393645] ACPI: Requesting acpi_cpufreq
[    0.394908] GHES: HEST is not enabled!
[    0.401581] Serial: 8250/16550 driver, 8 ports, IRQ sharing enabled
[    0.422148] 00:02: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[    0.422488] [drm] Initialized drm 1.1.0 20060810
[    0.422508] [drm] radeon kernel modesetting enabled.
[    0.422538] checking generic (c0000000 600000) vs hw (c0000000 10000000)
[    0.422539] fb: conflicting fb hw usage radeondrmfb vs EFI VGA -
removing generic driver

>>>>>>> here it stops for the failing boot <<<<<<<<<<<<<<<<<<<

[    0.422566] Console: switching to colour dummy device 80x25
[    0.422680] [drm] initializing kernel modesetting (REDWOOD
0x1002:0x68D8 0x1682:0x3065).
[    0.422693] [drm] register mmio base: 0xFE620000
[    0.422695] [drm] register mmio size: 131072
[    0.422735] ATOM BIOS: REDWOOD
[    0.422764] radeon 0000:01:00.0: VRAM: 1024M 0x0000000000000000 -
0x000000003FFFFFFF (1024M used)
[    0.422766] radeon 0000:01:00.0: GTT: 512M 0x0000000040000000 -
0x000000005FFFFFFF

This is the last step in git-bisect:

# git bisect good
f2ba57b5eab8817d86d0f108fdf1878e51dc0a37 is the first bad commit
commit f2ba57b5eab8817d86d0f108fdf1878e51dc0a37
Author: Christian König <deathsimple@...afone.de>
Date:   Mon Apr 8 12:41:29 2013 +0200

    drm/radeon: UVD bringup v8

    Just everything needed to decode videos using UVD.

    v6: just all the bugfixes and support for R7xx-SI merged in one patch
    v7: UVD_CGC_GATE is a write only register, lockup detection fix
    v8: split out VRAM fallback changes, remove support for RV770,
        add support for HEMLOCK, add buffer sizes checks

    Signed-off-by: Christian König <christian.koenig@....com>
    Reviewed-by: Jerome Glisse <jglisse@...hat.com>
    Signed-off-by: Alex Deucher <alexander.deucher@....com>

:040000 040000 1bfd368f291a2cfd7d0ebeb70c9109dfd6ebb97d
e4307ff6aa51cf9831815528b7dcf802dd045022 M      drivers
:040000 040000 1e16513d7c6ac3bde842a2ef9e9993ddfeb3faab
8a79c88d63cce4341a3885effcb69024d6d36917 M      include

I have these firmware files:

# ls -l firmware/radeon/REDWOOD_*bin
-rw-r--r-- 1 root root 5504 Jul 22  2012 firmware/radeon/REDWOOD_me.bin
-rw-r--r-- 1 root root 4480 Jul 22  2012 firmware/radeon/REDWOOD_pfp.bin
-rw-r--r-- 1 root root 3072 Apr  6 11:58 firmware/radeon/REDWOOD_rlc.bin

and they are builtin into the kernel:
# egrep "RADEON|EXTRA_FIRMWARE|KMS|^CONFIG_FB_" .config
CONFIG_EXTRA_FIRMWARE="radeon/REDWOOD_me.bin radeon/REDWOOD_pfp.bin
radeon/REDWOOD_rlc.bin"
CONFIG_EXTRA_FIRMWARE_DIR="firmware"
CONFIG_DRM_KMS_HELPER=y
CONFIG_DRM_RADEON=y
# CONFIG_DRM_RADEON_UMS is not set
CONFIG_FB_BOOT_VESA_SUPPORT=y
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
CONFIG_FB_VESA=y
CONFIG_FB_EFI=y
# CONFIG_FB_RADEON is not set


Anything else I can provide ?
_
Jim
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