[Bug 35192] BUG() in radeon driver with ATI Technologies Inc RV515 [Radeon X1300]

2011-05-19 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=35192


Jérôme Glisse gli...@freedesktop.org changed:

   What|Removed |Added

 CC||gli...@freedesktop.org




--- Comment #5 from Jérôme Glisse gli...@freedesktop.org  2011-05-19 14:05:02 
---
So is the bug still revealent ? If so what is the bt now ?

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[Bug 35192] BUG() in radeon driver with ATI Technologies Inc RV515 [Radeon X1300]

2011-05-19 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=35192





--- Comment #6 from Stratos Psomadakis pso...@ece.ntua.gr  2011-05-19 
18:15:57 ---
The only problem now seems to be with commit 737a3b, which should be reverted,
as it breaks radeon with a non-modular kernel (because of __init_or_module).

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[Bug 35192] BUG() in radeon driver with ATI Technologies Inc RV515 [Radeon X1300]

2011-05-18 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=35192


Andrew Morton a...@linux-foundation.org changed:

   What|Removed |Added

 CC||a...@linux-foundation.org,
   ||g...@kroah.com




--- Comment #2 from Andrew Morton a...@linux-foundation.org  2011-05-18 
21:52:58 ---
OK, this is a bit strange.

I can see that Greg's 737a3bb9416ce2a7c7a4170852473a4fcc9 would cause
radeon_cp_init() to crash when it is called via ioctl.  It calls
platform_device_register_resndata(), but platform_device_register_resndata()
got unloaded from kernel memory.

But that will only happen if CONFIG_MODULES=n, and in the config attached to
the gentto report, CONFIG_MODULES=y.  So platform_device_register_resndata()
won't have been unloaded!

Still, we should revert 737a3bb9416ce2a7c7a4170852473a4fcc9, as its assumptions
are wrong in this case.

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[Bug 35192] BUG() in radeon driver with ATI Technologies Inc RV515 [Radeon X1300]

2011-05-18 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=35192


Stratos Psomadakis pso...@ece.ntua.gr changed:

   What|Removed |Added

 CC||pso...@ece.ntua.gr




--- Comment #3 from Stratos Psomadakis pso...@ece.ntua.gr  2011-05-18 
22:55:59 ---
Actually, radeon_cp_init() crashed only with later kernel configurations which
had CONFIG_MODULES=n. And that's because of the commit 737a3b.

Previous configuration had CONFIG_MODULES=y, but with 2.6.36 kernels, and the
bug/dmesg output was different I think. Probably it was a different,
2.6.36-related bug, which was fixed in later kernel releases.

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[Bug 35192] BUG() in radeon driver with ATI Technologies Inc RV515 [Radeon X1300]

2011-05-18 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=35192





--- Comment #4 from Andrew Morton a...@linux-foundation.org  2011-05-18 
22:58:47 ---
OK, thanks.  Mystery solved.

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[Bug 35192] BUG() in radeon driver with ATI Technologies Inc RV515 [Radeon X1300]

2011-05-16 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=35192





--- Comment #1 from Anthony Basile bluen...@gentoo.org  2011-05-16 23:38:38 
---
Bisecting shows that reverting 737a3bb9416ce2a7c7a4170852473a4fcc9c67e8 fixed
the problem.  The patch is in comment 28 of the Gentoo bug report.

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