linux-kernel - Re: Bug in drm modules of kernel 2.6.23-rc9-git2

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Date:	Fri, 5 Oct 2007 15:06:12 -0400
From:	Dave Jones <davej@...hat.com>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	werner <werner@...aya.yi.org>, linux-kernel@...r.kernel.org
Subject: Re: Bug in drm  modules of kernel 2.6.23-rc9-git2

On Fri, Oct 05, 2007 at 10:31:22AM +0200, Adrian Bunk wrote:
 > On Fri, Oct 05, 2007 at 03:27:55AM -0300, werner wrote:
 > > attn:  linux-kernel@...r.kernel.org
 > > 
 > > 
 > > There is a bug in the drm modules,  w.r.t. radeon and savage grafic cards (at least)
 > > This bug is present on kernel 2.6.23-rc9-git2 ,  it was NOT present on 2.6.23-rc8-git4
 > > nor in the previous kernels.   Without drm, also compiz snapshot don't work longer
 > > 
 > > I hope you can find and repair this before the 2.6.23 release
 > > 
 > > Below is the beginning of dmesg  for the two kernels what I quoted above.
 > > 
 > > Werner Landgraf
 > > www.copaya.yi.org
 > > 
 > > 
 > > ==============  dmesg 2.6.23-rc9-git2 (drm no working longer ...) ===================================
 > > Linux version 2.6.23-rc9-git2-i486-1mn (root@...ner) (gcc version 4.2.0 20061031 (prerelease)) #1 SMP Thu Oct 4 15:32:50 GFT 2007
 > >...
 > > via_agp: Unknown symbol agp_bridge
 > > via_agp: Unknown symbol agp3_generic_sizes
 > > via_agp: Unknown symbol global_cache_flush
 > > via_agp: Unknown symbol agp_generic_enable
 > > via_agp: Unknown symbol agp_generic_insert_memory
 > > via_agp: Unknown symbol agp_generic_destroy_page
 > > via_agp: Unknown symbol agp_off
 > > via_agp: Unknown symbol agp_remove_bridge
 > > via_agp: Unknown symbol agp_generic_mask_memory
 > > via_agp: Unknown symbol agp_generic_alloc_by_type
 > > via_agp: Unknown symbol agp_generic_free_by_type
 > > via_agp: Unknown symbol agp_alloc_bridge
 > > via_agp: Unknown symbol agp_add_bridge
 > > via_agp: Unknown symbol get_agp_version
 > > via_agp: Unknown symbol agp_generic_remove_memory
 > > via_agp: Unknown symbol agp_generic_create_gatt_table
 > > via_agp: Unknown symbol agp_generic_type_to_mask_type
 > > via_agp: Unknown symbol agp_generic_free_gatt_table
 > > via_agp: Unknown symbol agp_generic_alloc_page
 > > via_agp: Unknown symbol agp_put_bridge
 > >...
 > 
 > The agpgart module is not present.

Given that CONFIG_VIA_AGP depends on CONFIG_AGP, I'm not sure how it's
possible to even get into the above state.
I'd love to see the output of grep AGP .config for this kernel.

The only thing I can think of to reproduce this would be to
build both as modules, and insmod via-agp.ko instead of modprobe,
which is not something that really makes any sense.

	Dave

-- 
http://www.codemonkey.org.uk
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