Bug 25758

Summary: KMS enabled hangs on boot on ATI RV730XT [Radeon HD 4670]
Product: xorg Reporter: Aljaž Prusnik <prusnik>
Component: Driver/RadeonAssignee: xf86-video-ati maintainers <xorg-driver-ati>
Status: VERIFIED FIXED QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: 7.4 (2008.09)   
Hardware: Other   
OS: All   
i915 platform: i915 features:

Description Aljaž Prusnik 2009-12-22 04:10:21 UTC
same setup as in bug #25460

After compiling the new stable kernel, if radeon.modesetting is enabled the sytem hangs at boot. Some lines are printed (indicating the beginning of the boot process) then the screen gets blanked and stays turned on, while everything else doesn't respond (keyboard, disk).

This doesn't happend if I disable radeon modesetting and it doesn't happen with the kernel and modesetting enabled. Under the latter I still experience bug #25460.

Sadly I cannot offer any logs because they don't get written yet.

Any ideas before figuring out problematic commit out of the ones in the package, or should I go and bisect which could take a while...
Comment 1 Aljaž Prusnik 2009-12-22 05:28:30 UTC
It happens the same on another machine with a RV710 [Radeon HD 4350] but does not happen on a laptop with ATI Radeon IGP330M/340M/350M (U2) 4337 chipset.
Comment 2 Alex Deucher 2009-12-22 06:02:33 UTC
Fix is here:
Comment 3 Aljaž Prusnik 2009-12-22 11:29:24 UTC
Indeed it works.

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