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Date:      Tue, 27 Apr 2010 08:55:06 -0500
From:      Robert Noland <rnoland@FreeBSD.org>
To:        Alex Keda <admin@lissyara.su>
Cc:        current@freebsd.org
Subject:   Re: xorg hangs after last commits
Message-ID:  <4BD6ECBA.6010408@FreeBSD.org>
In-Reply-To: <4BD6CBE6.9030303@lissyara.su>
References:  <4BD6CBE6.9030303@lissyara.su>

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Alex Keda wrote:
> Following recent changes in dri, xorg server freezes after 20-30 seconds 
> of work. mouse works, but the image does not change.
> process xorg get 100% cpu
> if I delete/rename drm.ko - all OK (but, very slow)
> 
> 
> vgapci0@pci0:1:5:0:     class=0x030000 card=0x12ff103c chip=0x791e1002 
> rev=0x00 hdr=0x00
>     vendor     = 'ATI Technologies Inc. / Advanced Micro Devices, Inc.'
>     device     = 'ATI RADEON X1200 Series (RS690)'
>     class      = display
>     subclass   = VGA
>     bar   [10] = type Prefetchable Memory, range 64, base 0xd0000000, 
> size 134217728, enabled
>     bar   [18] = type Memory, range 64, base 0xd8500000, size 65536, 
> enabled
>     bar   [20] = type I/O Port, range 32, base 0x1100, size 256, enabled
>     bar   [24] = type Memory, range 32, base 0xd8400000, size 1048576, 
> enabled
>     cap 01[50] = powerspec 2  supports D0 D1 D2 D3  current D0
>     cap 05[80] = MSI supports 1 message, 64 bit

Ok, does this patch help?

robert.

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Index: ati_pcigart.c
===================================================================
--- ati_pcigart.c	(revision 207069)
+++ ati_pcigart.c	(working copy)
@@ -198,7 +198,7 @@
 				page_base |=
 				    (upper_32_bits(entry_addr) & 0xff) << 4;
 				page_base |= ATI_GART_READ | ATI_GART_WRITE;
-				page_base |= ATI_GART_NOSNOOP;
+				//page_base |= ATI_GART_NOSNOOP;
 				break;
 			case DRM_ATI_GART_PCIE:
 				page_base >>= 8;

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