[Bug 39672] [r280] Black screen on PPC with digital monitor on radeon / Cannot find any crtc or sizes

[bugzilla-dae...@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=39672


Andrew Morton  changed:

   What|Removed |Added

 CC||akpm at linux-foundation.org
 Regression|No  |Yes




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[Bug 39672] New: [r280] Black screen on PPC with digital monitor on radeon / Cannot find any crtc or sizes

[bugzilla-dae...@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=39672

   Summary: [r280] Black screen on PPC with digital monitor on
radeon / Cannot find any crtc or sizes
   Product: Drivers
   Version: 2.5
Kernel Version: 3.0.0-rc6
  Platform: All
OS/Version: Linux
  Tree: Mainline
Status: NEW
  Severity: high
  Priority: P1
 Component: Video(DRI - non Intel)
AssignedTo: drivers_video-dri at kernel-bugs.osdl.org
ReportedBy: rechner at vlado-do.de
Regression: No


Created an attachment (id=66132)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=66132)
syslog from system without video output

Testing Kernel 3.0.0 (rc6 from Debian experimental) I encountered a problem
with (DVI) display detection - the screen goes blank when trying to activate
KMS. From syslog:

[drm:radeon_add_legacy_connector] *ERROR* DVI: Failed to assign ddc bus! Check
dmesg for i2c errors.

[drm]   DDC: no ddc bus - possible BIOS bug - please report to
xorg-driver-ati at lists.x.org

No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768

To me this looks quite similar to #23222.

With a VGA monitor the screen does not go blank, but I still don't get the
login window in KDM (?).

I'm using Ubuntu 11.04 and with a self-compiled 2.6.39-rc7 kernel I have
working KMS (even though direct rendering does not work, as reported on
https://bugs.freedesktop.org/show_bug.cgi?id=37169 ).

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[PATCH] drm/radeon: Fix ECS A740GM-M DVI-D EDID error flooding problem

[rei...@googlemail.com]

From: Thomas Reim 

   ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
   for a DVI connector that is not implemented/existent on the board.

   Fix by applying extented DDC probing for this connector.

   Requires [PATCH] drm/radeon: Fix Asus M2A-VM HDMI EDID error flooding problem

   BugLink: http://bugs.launchpad.net/bugs/810926

Signed-off-by: Thomas Reim 
---
 drivers/gpu/drm/radeon/radeon_connectors.c |9 +
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c 
b/drivers/gpu/drm/radeon/radeon_connectors.c
index 2e70be2..82dacc6 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -449,6 +449,15 @@ static bool radeon_connector_needs_extended_probe(struct 
radeon_device *dev,
(supported_device == ATOM_DEVICE_DFP2_SUPPORT))
return true;
}
+   /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
+* for a DVI connector that is not implemented */
+   if ((dev->pdev->device == 0x796e) &&
+   (dev->pdev->subsystem_vendor == 0x1019) &&
+   (dev->pdev->subsystem_device == 0x2615)) {
+   if ((connector_type == DRM_MODE_CONNECTOR_DVID) &&
+   (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
+   return true;
+   }

/* Default: no EDID header probe required for DDC probing */
return false;
-- 
1.7.1

[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #12 from Andrew Randrianasulu  2011-07-20 
04:41:04 PDT ---
Ops, i mean ./dedma . I was unable to find anything useful

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #11 from Andrew Randrianasulu  2011-07-20 
04:39:31 PDT ---
(In reply to comment #8)
> Created an attachment (id=49332)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49332
 Review: https://bugs.freedesktop.org/review?bug=34969=49332

> patch for libdrm command buffer tracing

And how to parse this trace into more human-readable format? demmio from
envytools?

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[Bug 39612] radeon blocks with new style fencing

[bugzilla-dae...@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=39612





--- Comment #1 from Alex Deucher   2011-07-20 
04:19:06 ---
Please attach your xorg log and dmesg output.  Does booting with radeon.no_wb=1
on the kernel command line in grub help?

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #10 from Andrew Randrianasulu  2011-07-20 
03:24:34 PDT ---
Created an attachment (id=49334)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49334)
NOUVEAU_TRACE.log

for channel 3

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #9 from Andrew Randrianasulu  2011-07-20 
03:23:05 PDT ---
Created an attachment (id=49333)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49333)
Minimal vertexrate.c

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #8 from Christoph Bumiller  
2011-07-20 03:00:34 PDT ---
Created an attachment (id=49332)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49332
 Review: https://bugs.freedesktop.org/review?bug=34969=49332

patch for libdrm command buffer tracing

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #7 from Christoph Bumiller  
2011-07-20 02:58:54 PDT ---
Try cutting the vertexrate demo down to a minimal subset that causes the lockup
and trace the command buffer.
You're getting DMA_VTX_PROTECTION so you're likely accessing out of bounds
vertex data somehow.
If you can find the commands that cause it and compare with the gallium code
you might be able to find the error.

Attached patch for tracing command buffer (apply to libdrm).

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[Intel-gfx] [PATCH 01/10] intel: shared header for shader debugging

[Julien Cristau]

On Wed, Jul 13, 2011 at 13:51:43 -0700, Ben Widawsky wrote:

> +#define SHADER_DEBUG_SOCKET "/tmp/gen_debug"

Not sure what this is used for, but does it really need to be in /tmp?

Cheers,
Julien

[PATCH] drm/radeon: Fix ECS A740GM-M DVI-D EDID error flooding problem

[reimth]

From: Thomas Reim rei...@gmail.com

   ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
   for a DVI connector that is not implemented/existent on the board.

   Fix by applying extented DDC probing for this connector.

   Requires [PATCH] drm/radeon: Fix Asus M2A-VM HDMI EDID error flooding problem

   BugLink: http://bugs.launchpad.net/bugs/810926

Signed-off-by: Thomas Reim rei...@gmail.com
---
 drivers/gpu/drm/radeon/radeon_connectors.c |9 +
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c 
b/drivers/gpu/drm/radeon/radeon_connectors.c
index 2e70be2..82dacc6 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -449,6 +449,15 @@ static bool radeon_connector_needs_extended_probe(struct 
radeon_device *dev,
(supported_device == ATOM_DEVICE_DFP2_SUPPORT))
return true;
}
+   /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
+* for a DVI connector that is not implemented */
+   if ((dev-pdev-device == 0x796e) 
+   (dev-pdev-subsystem_vendor == 0x1019) 
+   (dev-pdev-subsystem_device == 0x2615)) {
+   if ((connector_type == DRM_MODE_CONNECTOR_DVID) 
+   (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
+   return true;
+   }
 
/* Default: no EDID header probe required for DDC probing */
return false;
-- 
1.7.1

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #7 from Christoph Bumiller e0425...@student.tuwien.ac.at 
2011-07-20 02:58:54 PDT ---
Try cutting the vertexrate demo down to a minimal subset that causes the lockup
and trace the command buffer.
You're getting DMA_VTX_PROTECTION so you're likely accessing out of bounds
vertex data somehow.
If you can find the commands that cause it and compare with the gallium code
you might be able to find the error.

Attached patch for tracing command buffer (apply to libdrm).

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #8 from Christoph Bumiller e0425...@student.tuwien.ac.at 
2011-07-20 03:00:34 PDT ---
Created an attachment (id=49332)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49332
 Review: https://bugs.freedesktop.org/review?bug=34969attachment=49332

patch for libdrm command buffer tracing

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #9 from Andrew Randrianasulu rand...@mail.ru 2011-07-20 03:23:05 
PDT ---
Created an attachment (id=49333)
 -- (https://bugs.freedesktop.org/attachment.cgi?id=49333)
Minimal vertexrate.c

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #10 from Andrew Randrianasulu rand...@mail.ru 2011-07-20 03:24:34 
PDT ---
Created an attachment (id=49334)
 -- (https://bugs.freedesktop.org/attachment.cgi?id=49334)
NOUVEAU_TRACE.log

for channel 3

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #11 from Andrew Randrianasulu rand...@mail.ru 2011-07-20 04:39:31 
PDT ---
(In reply to comment #8)
 Created an attachment (id=49332)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49332
 Review: https://bugs.freedesktop.org/review?bug=34969attachment=49332

 patch for libdrm command buffer tracing

And how to parse this trace into more human-readable format? demmio from
envytools?

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[Bug 34969] [nouveau] Card lockup on openarena

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=34969

--- Comment #12 from Andrew Randrianasulu rand...@mail.ru 2011-07-20 04:41:04 
PDT ---
Ops, i mean ./dedma . I was unable to find anything useful

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[Bug 39672] New: [r280] Black screen on PPC with digital monitor on radeon / Cannot find any crtc or sizes

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=39672

   Summary: [r280] Black screen on PPC with digital monitor on
radeon / Cannot find any crtc or sizes
   Product: Drivers
   Version: 2.5
Kernel Version: 3.0.0-rc6
  Platform: All
OS/Version: Linux
  Tree: Mainline
Status: NEW
  Severity: high
  Priority: P1
 Component: Video(DRI - non Intel)
AssignedTo: drivers_video-...@kernel-bugs.osdl.org
ReportedBy: rech...@vlado-do.de
Regression: No


Created an attachment (id=66132)
 -- (https://bugzilla.kernel.org/attachment.cgi?id=66132)
syslog from system without video output

Testing Kernel 3.0.0 (rc6 from Debian experimental) I encountered a problem
with (DVI) display detection - the screen goes blank when trying to activate
KMS. From syslog:

[drm:radeon_add_legacy_connector] *ERROR* DVI: Failed to assign ddc bus! Check
dmesg for i2c errors.

[drm]   DDC: no ddc bus - possible BIOS bug - please report to
xorg-driver-...@lists.x.org

No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768

To me this looks quite similar to #23222.

With a VGA monitor the screen does not go blank, but I still don't get the
login window in KDM (?).

I'm using Ubuntu 11.04 and with a self-compiled 2.6.39-rc7 kernel I have
working KMS (even though direct rendering does not work, as reported on
https://bugs.freedesktop.org/show_bug.cgi?id=37169 ).

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[Bug 39672] [r280] Black screen on PPC with digital monitor on radeon / Cannot find any crtc or sizes

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=39672


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

   What|Removed |Added

 CC||a...@linux-foundation.org
 Regression|No  |Yes




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Re: [PATCH] drm/radeon: Fix ECS A740GM-M DVI-D EDID error flooding problem

[Thomas Reim]

Von: Stephen Micheals stephen.miche...@gmail.com
An: thomas.r...@nepomuc.de
Betreff: Re: [PATCH] drm/radeon: Fix ECS A740GM-M DVI-D EDID error
flooding problem
Datum: Wed, 20 Jul 2011 13:12:26 -0700

Acked-by: Stephen Michaels stephen.miche...@gmail.com

On Wed, Jul 20, 2011 at 1:34 AM,  rei...@googlemail.com wrote:
 From: Thomas Reim rei...@gmail.com

   ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
   for a DVI connector that is not implemented/existent on the board.

   Fix by applying extented DDC probing for this connector.

   Requires [PATCH] drm/radeon: Fix Asus M2A-VM HDMI EDID error flooding 
 problem

   BugLink: http://bugs.launchpad.net/bugs/810926

 Signed-off-by: Thomas Reim rei...@gmail.com
 ---
  drivers/gpu/drm/radeon/radeon_connectors.c |9 +
  1 files changed, 9 insertions(+), 0 deletions(-)

 diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c 
 b/drivers/gpu/drm/radeon/radeon_connectors.c
 index 2e70be2..82dacc6 100644
 --- a/drivers/gpu/drm/radeon/radeon_connectors.c
 +++ b/drivers/gpu/drm/radeon/radeon_connectors.c
 @@ -449,6 +449,15 @@ static bool radeon_connector_needs_extended_probe(struct 
 radeon_device *dev,
(supported_device == ATOM_DEVICE_DFP2_SUPPORT))
return true;
}
 +   /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
 +* for a DVI connector that is not implemented */
 +   if ((dev-pdev-device == 0x796e) 
 +   (dev-pdev-subsystem_vendor == 0x1019) 
 +   (dev-pdev-subsystem_device == 0x2615)) {
 +   if ((connector_type == DRM_MODE_CONNECTOR_DVID) 
 +   (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 +   return true;
 +   }

/* Default: no EDID header probe required for DDC probing */
return false;
 --
 1.7.1





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