Bug 15340 - CONFIG_AGP help text should tell about modules order issue
Summary: CONFIG_AGP help text should tell about modules order issue
Status: RESOLVED OBSOLETE
Alias: None
Product: Other
Classification: Unclassified
Component: Modules (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: other_modules
URL: http://bugzilla.kernel.org/show_bug.c...
Keywords:
Depends on:
Blocks:
 
Reported: 2010-02-17 11:30 UTC by Daniele C.
Modified: 2012-06-27 13:36 UTC (History)
2 users (show)

See Also:
Kernel Version: 2.6.33-rc8
Tree: Mainline
Regression: No


Attachments

Description Daniele C. 2010-02-17 11:30:24 UTC
If agp module is not loaded before drm/i915 driver modules, serious kernel issues will happen, most notably:

1) display turned OFF
2) frantic kernel crash with no keyboard/network/sysrq availability when starting Xorg (buffers are neither flushed to disk)

I think a notice should be added to the help text shown in menuconfig regarding the AGP drivers

See also J.Barnes' comment (URL)
Comment 1 Daniele C. 2010-03-15 12:56:20 UTC
Downstream issue at Arch Linux: http://bugs.archlinux.org/task/18690

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