Re: [Intel-gfx] regression after: drm/i915: Warn if we run out of FIFO space for a mode

2010-08-04 Thread Alexey Fisher
On Di, 2010-08-03 at 17:15 +0200, Alexey Fisher wrote:
 On Mo, 2010-08-02 at 20:42 +0100, Chris Wilson wrote:
  On Mon, 02 Aug 2010 12:16:16 +0200, Alexey Fisher 
  bug-tr...@fisher-privat.net wrote:
   Hallo all,
   i have regression coused by this patch:
   
   commit b9421ae8f30958deea98d71477b4a77a066856b4
   Author: Chris Wilson ch...@chris-wilson.co.uk
   Date: Mon Jul 19 21:46:08 2010 +0100
   
   drm/i915: Warn if we run out of FIFO space for a mode
  
  Weird as all that patch should do is add a DRM_ERROR() with no other
  side-effect. How confident are you in your analysis? Did you at least see
  the error in dmesg?
 
 No error in dmesg, i doing recheck now. It seems to have some false
 negative. To be sure i run noncrash kernel extra long.

I still can't get good results. Too many false negatives. If you have
some tips, bench tools or test where i can reproduce this bug, it will
be great.

Regards,
Alexey

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Re: [Intel-gfx] regression after: drm/i915: Warn if we run out of FIFO space for a mode

2010-08-03 Thread Alexey Fisher
On Mo, 2010-08-02 at 20:42 +0100, Chris Wilson wrote:
 On Mon, 02 Aug 2010 12:16:16 +0200, Alexey Fisher 
 bug-tr...@fisher-privat.net wrote:
  Hallo all,
  i have regression coused by this patch:
  
  commit b9421ae8f30958deea98d71477b4a77a066856b4
  Author: Chris Wilson ch...@chris-wilson.co.uk
  Date: Mon Jul 19 21:46:08 2010 +0100
  
  drm/i915: Warn if we run out of FIFO space for a mode
 
 Weird as all that patch should do is add a DRM_ERROR() with no other
 side-effect. How confident are you in your analysis? Did you at least see
 the error in dmesg?

No error in dmesg, i doing recheck now. It seems to have some false
negative. To be sure i run noncrash kernel extra long.

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[Intel-gfx] regression after: drm/i915: Warn if we run out of FIFO space for a mode

2010-08-02 Thread Alexey Fisher
Hallo all,
i have regression coused by this patch:

commit b9421ae8f30958deea98d71477b4a77a066856b4
Author: Chris Wilson ch...@chris-wilson.co.uk
Date: Mon Jul 19 21:46:08 2010 +0100

drm/i915: Warn if we run out of FIFO space for a mode

Signed-off-by: Chris Wilson ch...@chris-wilson.co.uk
Cc: Jesse Barnes jbar...@virtuousgeek.org
Signed-off-by: Eric Anholt e...@anholt.net


If i start openarena, i'll get black background with big mousepointer
(it can be moved). Nothing else happening, i can't kill openarena or
reboot xserver.

reverting this patch, solve the problem.

My hardware Intel DG45ID board, Core 2 Duo CPU E8400, 4 GB RAM.
Ubuntu 10.10 64bit. 

 apt-cache policy  xserver-xorg-video-intel
xserver-xorg-video-intel:
  Installiert: 2:2.12.0+git20100730.0be3e95c-0ubuntu0sarvatt
  Kandidat:2:2.12.0+git20100801.fe7dee7f-0ubuntu0sarvatt
  Versionstabelle:
 2:2.12.0+git20100801.fe7dee7f-0ubuntu0sarvatt 0
500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/
maverick/main amd64 Packages
 *** 2:2.12.0+git20100730.0be3e95c-0ubuntu0sarvatt 0
100 /var/lib/dpkg/status
 2:2.12.0-1ubuntu2 0


Xorg crashes with this message:
[   233.461] [mi] EQ overflowing. The server is probably stuck in an
infinite loop.


Regards,
Alexey
[33.928] 
X.Org X Server 1.8.99.905 (1.9.0 RC 5)
Release Date: 2010-07-14
[33.928] X Protocol Version 11, Revision 0
[33.928] Build Operating System: Linux 2.6.24-28-xen x86_64 Ubuntu
[33.928] Current Operating System: Linux zwerg 2.6.35-00187-gb9421ae #31 SMP PREEMPT Mon Aug 2 10:57:09 CEST 2010 x86_64
[33.928] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/mapper/zwerg_buntu-root_one ro quiet splash
[33.928] Build Date: 21 July 2010  07:51:48PM
[33.928] xorg-server 2:1.8.99.905+git20100714.a2c13f0d-0ubuntu0sarvatt2 (For technical support please see http://www.ubuntu.com/support) 
[33.928] Current version of pixman: 0.19.1
[33.928] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[33.928] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[33.929] (==) Log file: /var/log/Xorg.0.log, Time: Mon Aug  2 11:00:07 2010
[33.944] (==) Using system config directory /usr/share/X11/xorg.conf.d
[33.945] (==) No Layout section.  Using the first Screen section.
[33.945] (==) No screen section available. Using defaults.
[33.945] (**) |--Screen Default Screen Section (0)
[33.945] (**) |   |--Monitor default monitor
[33.945] (==) No monitor specified for screen Default Screen Section.
	Using a default monitor configuration.
[33.945] (==) Automatically adding devices
[33.945] (==) Automatically enabling devices
[33.945] (WW) The directory /usr/share/fonts/X11/cyrillic does not exist.
[33.945] 	Entry deleted from font path.
[33.945] (==) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/100dpi/:unscaled,
	/usr/share/fonts/X11/75dpi/:unscaled,
	/usr/share/fonts/X11/Type1,
	/usr/share/fonts/X11/100dpi,
	/usr/share/fonts/X11/75dpi,
	/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,
	built-ins
[33.945] (==) ModulePath set to /usr/lib/xorg/extra-modules,/usr/lib/xorg/modules
[33.945] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[33.945] (II) Loader magic: 0x7cf7e0
[33.945] (II) Module ABI versions:
[33.945] 	X.Org ANSI C Emulation: 0.4
[33.945] 	X.Org Video Driver: 8.0
[33.945] 	X.Org XInput driver : 11.0
[33.945] 	X.Org Server Extension : 4.0
[33.946] (--) PCI:*(0:0:2:0) 8086:2e22:8086:5002 rev 3, Mem @ 0xe000/4194304, 0xd000/268435456, I/O @ 0xf1c0/8
[33.946] (--) PCI: (0:0:2:1) 8086:2e23:8086:5002 rev 3, Mem @ 0xe040/1048576
[33.946] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[33.946] (II) LoadModule: extmod
[34.017] (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
[34.017] (II) Module extmod: vendor=X.Org Foundation
[34.017] 	compiled for 1.8.99.905, module version = 1.0.0
[34.017] 	Module class: X.Org Server Extension
[34.017] 	ABI class: X.Org Server Extension, version 4.0
[34.017] (II) Loading extension MIT-SCREEN-SAVER
[34.017] (II) Loading extension XFree86-VidModeExtension
[34.017] (II) Loading extension XFree86-DGA
[34.017] (II) Loading extension DPMS
[34.017] (II) Loading extension XVideo
[34.017] (II) Loading extension XVideo-MotionCompensation
[34.017] (II) Loading extension X-Resource
[34.017] (II) LoadModule: dbe
[34.017] (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
[34.017] (II) Module dbe: vendor=X.Org Foundation
[34.017] 	compiled for 1.8.99.905, module version = 1.0.0
[34.017] 	Module 

Re: [Intel-gfx] regression after: drm/i915: Warn if we run out of FIFO space for a mode

2010-08-02 Thread Chris Wilson
On Mon, 02 Aug 2010 12:16:16 +0200, Alexey Fisher bug-tr...@fisher-privat.net 
wrote:
 Hallo all,
 i have regression coused by this patch:
 
 commit b9421ae8f30958deea98d71477b4a77a066856b4
 Author: Chris Wilson ch...@chris-wilson.co.uk
 Date: Mon Jul 19 21:46:08 2010 +0100
 
 drm/i915: Warn if we run out of FIFO space for a mode

Weird as all that patch should do is add a DRM_ERROR() with no other
side-effect. How confident are you in your analysis? Did you at least see
the error in dmesg?
-- 
Chris Wilson, Intel Open Source Technology Centre
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