Bug 2548 - ERROR drm/i915 can't work without intel_agp module
Summary: ERROR drm/i915 can't work without intel_agp module
Status: VERIFIED INVALID
Alias: None
Product: Kernel
Classification: Yocto Project Subprojects
Component: kernel-configuration (show other bugs)
Version: 1.2
Hardware: E-Menlow x86
: Medium normal
Target Milestone: 1.3 M2
Assignee: Tom Zanussi
QA Contact:
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Depends on:
Blocks:
 
Reported: 2012-06-06 10:58 UTC by Mihai Lindner
Modified: 2012-07-11 11:04 UTC (History)
4 users (show)

See Also:
OS type for building Yocto: ---
Type of Regression: ---
Verified:
Documentation change: ---

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Description Mihai Lindner 2012-06-06 10:58:53 UTC 
Hardware: e-menlow

Image from: http://autobuilder.yoctoproject.org/pub/nightly/20120530-2/machines/atom-pc/core-image-sato-sdk-atom-pc.hddimg

Error line in `dmesg`, plus 2 lines above showing that agp and drm are initialized:
"""
Linux agpgart interface v0.103
[drm] Initialized drm 1.1.0 20060810
[drm:i915_init] *ERROR* drm/i915 can't work without intel_agp module!
"""

Kernel configuration has AGP and AGP_INTEL built-in:
"""
CONFIG_AGP=y
# CONFIG_AGP_ALI is not set
# CONFIG_AGP_ATI is not set
# CONFIG_AGP_AMD is not set
# CONFIG_AGP_AMD64 is not set
CONFIG_AGP_INTEL=y
# CONFIG_AGP_NVIDIA is not set
# CONFIG_AGP_SIS is not set
# CONFIG_AGP_SWORKS is not set
# CONFIG_AGP_VIA is not set
# CONFIG_AGP_EFFICEON is not set
"""

Kernel DRM configuration:
"""
CONFIG_DRM=y
CONFIG_DRM_KMS_HELPER=y
# CONFIG_DRM_TDFX is not set
# CONFIG_DRM_R128 is not set
# CONFIG_DRM_RADEON is not set
CONFIG_DRM_I915=y
CONFIG_DRM_I915_KMS=y
# CONFIG_DRM_MGA is not set
# CONFIG_DRM_SIS is not set
# CONFIG_DRM_VIA is not set
# CONFIG_DRM_SAVAGE is not set
# CONFIG_DRM_VMWGFX is not set
# CONFIG_DRM_NOUVEAU is not set
# CONFIG_DRM_I2C_CH7006 is not set
# CONFIG_DRM_I2C_SIL164 is not set
# CONFIG_DRM_PSB is not set
"""


Collateral damage: Xorg server fails to start.
Comment 1 Mihai Lindner 2012-06-06 11:01:19 UTC 
# grep '(EE)' /var/log/Xorg.0.log 
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[3254923.284] (EE) Failed to load module "dri" (module does not exist, 0)
[3254923.436] (EE) No devices detected.
Comment 2 Tom Zanussi 2012-06-14 00:27:38 UTC 
Shouldn't you be using the emenlow bsp for emenlow hardware?
Comment 3 Mihai Lindner 2012-06-14 05:40:55 UTC 
@Tom, yes, my bad, I was trying to use the wrong image.
Marked the bug as invalid.
Thanks.
Comment 4 Laurentiu Serban 2012-07-11 11:04:42 UTC 
setting this to verified