http://bugs.freedesktop.org/show_bug.cgi?id=25506
Summary: radeon kms causes 33 second boot delay on kernel v2.6.32
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: major
Priority: medium
Component: Drivers/DRI/Radeon
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: ste...@uplinklabs.net
Attached is a dmesg from a system running Linux 2.6.32. The system experiences
a horrifying 33 second boot delay, during which the screen is apparently off,
not just blanked. Using 'radeon.modeset=0' eliminates the delay.
I figured a 'git bisect v2.6.32 v2.6.31 -- drivers/gpu/drm' would
catch it. Hopefully this bisection helps pin down the underlying
problem:
# bad: [22763c5c] Linux 2.6.32
# good: [74fca6a4] Linux 2.6.31
# bad: [df748b02] drm/ttm: fix refcounting in ttm global code.
# good: [a513c184] drm/radeon/kms: Don't try to process irq when we a
# good: [aadd4e17] drm/radeon: some r420s have a CP race with the DMA
# good: [74bf2ad5] drm/kms: make fb helper work for all drivers.
# bad: [62a8ea3f] drm/radeon/kms: Remove old init path as no hw use
# good: [f0ed1f65] drm/radeon/kms: Convert R520 to new init path and
# skip: [d4550907] drm/radeon/kms: Convert R100 to new init path (V2)
# good: [3bc68535] drm/radeon/kms: Convert RS690/RS740 to new init pa
# bad: [c010f800] drm/radeon/kms: Convert RS600 to new init path
Any ideas?
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