[Ubuntu-x-swat] [Bug 2023623] Re: Disable pressure for Precision5680 2nd source touchpad

2023-06-13 Thread Kent Lin
@KC,

Touchpad has following test cases:
Manual:
 touchpad/basic certification-status=blocker
 touchpad/palm-rejectioncertification-status=non-blocker
 touchpad/continuous-move   certification-status=blocker
 touchpad/singletouch-selection certification-status=blocker
 touchpad/drag-and-drop certification-status=blocker
 touchpad/multitouch-rightclick certification-status=blocker
 touchpad/multitouchcertification-status=blocker

Automated:
 touchpad/detected-as-mouse certification-status=blocker
 touchpad/palm-rejection-firmware-labeling_.*   certification-status=non-blocker

Detail of each test case could be found in
https://github.com/canonical/checkbox/blob/main/providers/base/units/touchpad/jobs.pxu

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Title:
  Disable pressure for Precision5680 2nd source touchpad

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[Ubuntu-x-swat] [Bug 1897530] Re: [modeset][nvidia] X Server session crash with "No space left on device" and then "EnterVT failed for gpu screen 0"

2020-11-19 Thread Kent Lin
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal

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Title:
  [modeset][nvidia] X Server session crash with "No space left on
  device" and then "EnterVT failed for gpu screen 0"

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[Ubuntu-x-swat] [Bug 1897530] Re: [modeset][nvidia] X Server session crash with "No space left on device" and then "EnterVT failed for gpu screen 0"

2020-11-19 Thread Kent Lin
The comment#12 is tested on Focal.

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Title:
  [modeset][nvidia] X Server session crash with "No space left on
  device" and then "EnterVT failed for gpu screen 0"

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[Ubuntu-x-swat] [Bug 1897530] Re: [modeset][nvidia] X Server session crash with "No space left on device" and then "EnterVT failed for gpu screen 0"

2020-11-19 Thread Kent Lin
Test WD19TB with Dell Precision 7750
Kernel: 5.6.0-1035-OEM#37
xorg-server (2:1.20.8-2ubuntu2.5)
NV driver:450.80.02

The issue is fixed.

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Title:
  [modeset][nvidia] X Server session crash with "No space left on
  device" and then "EnterVT failed for gpu screen 0"

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[Ubuntu-x-swat] [Bug 1897530] Re: The modesetting driver does not gracefully handle missing connectors on EnterVT

2020-11-05 Thread Kent Lin
Original bug: https://bugs.launchpad.net/somerville/+bug/1857443

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Title:
  The modesetting driver does not gracefully handle missing connectors
  on EnterVT

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[Ubuntu-x-swat] [Bug 1897530] [NEW] The modesetting driver does not gracefully handle missing connectors on EnterVT

2020-09-28 Thread Kent Lin
Public bug reported:

Expectation: on removal of external display during S3, after resume eDP 
rendering should still continue by Nvidia.
Symptom description: Plug out DP cable when suspension, when resume, X will 
crash.

1. Before S3 entry, eDP and external panel(via dock) were driven by Intel but 
NV was rendering for eDP.
2. After S3 entry dock was removed.
3. On resume, Linux kernel tried to find dock but couldn’t find it, so fails 
resume of TB3 devices and logs confirm that.
4. X fails to enter VT due to Null meta mode.


To address the explanation, X is not failing to enter the VT due to NVIDIA’s 
NULL MetaMode. It’s the Intel (modesetting) driver that is failing to enter the 
VT. It’s expected that NVIDIA would have a NULL MetaMode, since there are no 
displays connected to it. Our driver is pretty robust to head state changes – 
even if we have to fall back to a NULL MetaMode, we will still enter the VT 
successfully.

The logs clearly show that the failure is originating from the Intel
(modesetting) driver, not the NVIDIA driver. The relevant path in X is
driver.c:EnterVT() => drmmode_display.c:drmmode_set_desired_modes(). In
this function, the Intel driver tries to set a mode on each of the
previously connected/enabled displays, and it tries to find the closest
possible mode using xf86OutputFindClosestMode(). This is similar to our
driver’s functionality, but unlike us, they don’t support a NULL
fallback. If there are no modes supported on one of the displays, it
simply fails, which causes X to terminate:

DisplayModePtr mode = xf86OutputFindClosestMode(output,
pScrn->currentMode);

if (!mode)
return FALSE;

Since we removed one of the displays via the dock, it fails. It doesn’t
matter if the internal panel is still available, Intel will fail if it
can’t re-enable ANY of the previously connected displays.

Technically the modesetting driver isn’t specifically an Intel driver,
it’s a generic driver that can be used by any DRM device – it’s just
that Intel has chosen to use the modesetting driver as their standard
Linux X driver going forward.

** Affects: xorg-server (Ubuntu)
 Importance: Undecided
 Status: New

** Affects: xorg-server (Ubuntu Focal)
 Importance: Undecided
 Status: New

** Bug watch added: gitlab.freedesktop.org/xorg/xserver/-/issues #1010
   https://gitlab.freedesktop.org/xorg/xserver/-/issues/1010

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Title:
  The modesetting driver does not gracefully handle missing connectors
  on EnterVT

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[Ubuntu-x-swat] [Bug 1897530] Re: The modesetting driver does not gracefully handle missing connectors on EnterVT

2020-09-28 Thread Kent Lin
The “real” fix has been released by Intel and has also been merged.
https://gitlab.freedesktop.org/xorg/xserver/-/issues/1010

Could Canonical consider to revert follow temporary patch.

0001-WIP-modesetting-check-the-kms-state-on-EnterVT.patch

0002-WIP-modesetting-do-not-reset-the-mode-on-disconnecte.patch

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Title:
  The modesetting driver does not gracefully handle missing connectors
  on EnterVT

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[Ubuntu-x-swat] [Bug 1847219] Re: HDMI audio lost function after the dGPU did runtime suspend. (AMD RX 580)

2019-10-09 Thread Kent Lin
5.0 Kernel + following patched [1] + AMD 19.30 driver [2], the issue is
fixed.

[1] Takashi Iwai's sound component support patch for AMDGPU
- https://patchwork.kernel.org/patch/10540417/

[2] AMD 19.30 driver: https://www.amd.com/en/support/kb/release-notes
/rn-amdgpu-unified-linux

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Title:
  HDMI audio lost function after the dGPU did runtime suspend. (AMD RX
  580)

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[Ubuntu-x-swat] [Bug 1579596] Re: [amdgpu] System failed to resume from suspend with amdgpu loaded.

2016-05-08 Thread Kent Lin
This issue can be reproduced on Linux mainline/drm-next/2016-05-05-wily.

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Title:
  [amdgpu] System failed to resume from suspend with amdgpu loaded.

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[Ubuntu-x-swat] [Bug 1579596] Re: [amdgpu] System failed to resume from suspend with amdgpu loaded.

2016-05-08 Thread Kent Lin
Log file at normal case, which failed to resume from suspend.

** Attachment added: "syslog.txt"
   
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/1579596/+attachment/4658907/+files/syslog.txt

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  [amdgpu] System failed to resume from suspend with amdgpu loaded.

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[Ubuntu-x-swat] [Bug 1322212] Re: Switching to the Guest session results in a black screen

2014-05-26 Thread Kent Lin
** Also affects: oem-priority
   Importance: Undecided
   Status: New

** Changed in: oem-priority
   Importance: Undecided = High

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Title:
  Switching to the Guest session results in a black screen

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[Ubuntu-x-swat] [Bug 1308515] Re: black screen when enabling rotation on a gpu screen

2014-05-26 Thread Kent Lin
** Also affects: xorg-server
   Importance: Undecided
   Status: New

** Also affects: oem-priority
   Importance: Undecided
   Status: New

** Changed in: oem-priority
   Importance: Undecided = Critical

** Changed in: oem-priority
   Importance: Critical = High

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Title:
  black screen when enabling rotation on a gpu screen

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[Ubuntu-x-swat] [Bug 1158296] Re: Systems with AMD 6660 discrete will hang up while doing poweroff and reboot tests by pm_test tool.

2013-03-21 Thread Kent Lin
@ Jammy,

HP Pavilion 15 Notebook PC.


** Attachment added: pm_test
   
https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1158296/+attachment/3589613/+files/pm_test

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Title:
  Systems with AMD 6660 discrete will hang up while doing poweroff and
  reboot tests by pm_test tool.

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[Ubuntu-x-swat] [Bug 1158296] Re: Systems with AMD 6660 discrete will hang up while doing poweroff and reboot tests by pm_test tool.

2013-03-21 Thread Kent Lin
@ Jimmy,

The tool is attached in last command.

** Attachment added: stress_test_guide.pdf
   
https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1158296/+attachment/3589614/+files/stress_test_guide.pdf

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Title:
  Systems with AMD 6660 discrete will hang up while doing poweroff and
  reboot tests by pm_test tool.

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[Ubuntu-x-swat] [Bug 1158296] Re: Systems with AMD 6660 discrete will hang up while doing poweroff and reboot tests by pm_test tool.

2013-03-21 Thread Kent Lin
@ Jammy,

Test steps:
1. Copy pm_test file to Home Folder, open terminal to run  sudo python 
pm_test -r 30 poweroff command.
2. After 20 minutes, find system hang up with backlight off.

OS: Ubuntu 12.04.02
Kernel: 3.5.0-23-generic #35
AMD Driver: 12.102RC1.

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Title:
  Systems with AMD 6660 discrete will hang up while doing poweroff and
  reboot tests by pm_test tool.

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[Ubuntu-x-swat] [Bug 92482] Re: NumLock gets enabled unexpectedly on my laptop

2012-01-31 Thread Kent Lin
Test with Oneiric, the issue still can be seen in Oneiric.

** Changed in: xorg-server (Ubuntu)
   Status: Expired = New

** Also affects: oem-priority
   Importance: Undecided
   Status: New

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Title:
  NumLock gets enabled unexpectedly on my laptop

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[Ubuntu-x-swat] [Bug 881526] Re: System freezes, kernel crashes, [fglrx] ASIC hang happened

2012-01-13 Thread Kent Lin
** Also affects: oem-priority
   Importance: Undecided
   Status: New

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Title:
  System freezes, kernel crashes, [fglrx] ASIC hang happened

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