For Dell XPS, try remove pinctrl_sunrisepoint driver, it should work.
sudo rmmod pinctrl_sunrisepoint
There is a discussion and a patch for this issue here
https://bugzilla.kernel.org/show_bug.cgi?id=176361
** Bug watch added: Linux Kernel Bug Tracker #176361
http://bugzilla.kernel.org/show
The 2 i915 patches can't be backported to 3.19 kernel, so I use another way to
archive the same function.
The test kernel could be found here, I'll try to see if we could find a machine
here to verify it.
http://people.canonical.com/~acelan/bugs/lp1646537/
** Changed in: linux (Ubuntu Vivid)
I got the same machine and restored the system to factory image.
After doing some check and write some intel reg value for testing, then I can't
reproduce this issue any more, even do a cold boot or restore the image again.
BTW, the patched kernel on #4 seems doesn't help.
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Found another machine and restored the factory image, but still can't
reproduce this issue.
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https://bugs.launchpad.net/bugs/1646537
Title:
Backlight sometimes fails to resume from
** Changed in: linux (Ubuntu Vivid)
Status: In Progress => Won't Fix
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https://bugs.launchpad.net/bugs/1646537
Title:
Backlight sometimes fails to resume from suspend & scree
Seth,
I can confirm the commit
3448a19 vgaarb: use bridges to control VGA routing where possible.
fixed this issue.
And this issue is a hwcert block issue, so is there anything that I can help to
make the SRU process faster?
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Seth,
To exam your assumption, I reverted that commit and replaced the
vga_arbiter_check_bridge_sharing() function call by some delays, but I still
encountered the issue.
The error message is the same.
Do you have any suggestion to do the test?
==
diff --git a/drivers/gpu/vga/vg
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: xorg-server (Ubuntu Jammy)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: xorg-server (Ubuntu Kinetic
ulate-the-clock-and-refresh-rate.patch"
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1996490/+attachment/5630714/+files/0001-hw-xfree86-re-calculate-the-clock-and-refresh-rate.patch
** Changed in: xorg-server (Ubuntu Jammy)
Assignee: (unassigned) => AceLan K
Upgraded Jammy to xserver-xorg-core 2:21.1.3-2ubuntu2.4, switching to
different resolutions work well.
Upgrade Kinetic to xserver-xorg-core 2:21.1.4-2ubuntu1.2, switching to
different resolutions also work well.
** Tags removed: verification-needed-jammy verification-needed-kinetic
** Tags added:
*** This bug is a duplicate of bug 1999008 ***
https://bugs.launchpad.net/bugs/1999008
Hi Markus,
Thanks for reporting the preferred issue, I'll submit new MR soon.
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http
Adopt the fix by Markus on bug 1999852
Verified it on my laptop, it works, and will verify more sku and the target
2.5k panel with 90Hz machines later.
** Patch added: "0001-hw-xfree86-re-calculate-the-clock-and-refresh-rate.patch"
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/19
*** This bug is a duplicate of bug 1999008 ***
https://bugs.launchpad.net/bugs/1999008
Right, I updated the check, will verify it again, thanks.
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Add back the check for xf86ModeVRefresh() returns 0, the patch works on my
laptop and the target 2.5k 90Hz panel.
Will submit another MR soon.
** Patch added: "0001-hw-xfree86-re-calculate-the-clock-and-refresh-rate.patch"
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1999008/+at
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/993
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Title:
Xorg crashed with SIGABRT in xf86ModeVRefresh() from
drmmo
xserver-xorg-core 21.1.3-2ubuntu2.5
1. power off the machine
2. connect DP monitor on the dock
3. plug the dock type-c cable to the machine
4. waiting the machine auto bootup, and no output on the DP monitor
5. no external monitor found in display menu
updated xserver-xorg-core to 21.1.3-2ubuntu2.
Updated xserver-xorg-core to 21.1.4-2ubuntu1.4(kinetic) with the same
test on comment #14, toggle display works
ii xserver-xorg-core 2:21.1.4-2ubuntu1.4
amd64Xorg X server - core server
** Tags removed: verification-needed verification-needed-kinetic
** Tags add
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verifica
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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https://bugs.launchpad.net/bugs/1821863
Title:
Need to add Intel CML related pci-id's
To manag
** Tags removed: verification-needed-saucy
** Tags added: verification-done-saucy
** Changed in: hwe-next/saucy
Status: Confirmed => Fix Committed
** Changed in: hwe-next/trusty
Status: Confirmed => Fix Released
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After installed those package from proposed repository, it can enable
the chip and run on unity 3D.
linux-image-3.5.0-36-generic libgl1-mesa-glx-lts-quantal libglapi-mesa-
lts-quantal libgl1-mesa-dri-lts-quantal libdrm2 xserver-xorg-video-
intel-lts-quantal
** Tags removed: verification-needed
**
After installed those package from proposed repository, it can enable
the chip and run on unity 3D.
linux-image-3.5.0-36-generic libgl1-mesa-glx-lts-quantal libglapi-mesa-
lts-quantal libgl1-mesa-dri-lts-quantal libdrm2 xserver-xorg-video-
intel-lts-quantal
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click top-right systray to open any app's indicator, close lid to enter
suspend, re-open it, then the touch screen works.
I use this way to enable the touch screen, but have no clue why it behave like
that.
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** Tags added: blocks-hwcert-enablement
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https://bugs.launchpad.net/bugs/1180881
Title:
Touchscreen only works after suspend/resume on Lenovo ideapad P400
Tou
More finding, if suspend/resume doesn't work for you, try the following steps
cd /sys/devices/pci:00
find -name control | xargs -I '{}' sudo sh -c "echo on > '{}'"
sudo pm-suspend
It will turn on the power for all devices, more precisely you can just turn on
the usb host chip's power
It's confirmed that it's a Synaptics firmware bug, and the new firmware can fix
it.
It works for my device, the usb id is 06CB:0AF8
I'm not sure if it'll work or damage other devices, so use it at your own risk.
** Attachment added: "PR1507220.zip"
https://bugs.launchpad.net/ubuntu/+source/xs
The above test result is wrong, the touchscreen function is not always
working.
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https://bugs.launchpad.net/bugs/1180881
Title:
Touchscreen only works after sus
add the following lines in /etc/rc.local could wake up the touch screen, it
works every time after booting up.
Or, you can run it manually to check if the commands work.
sudo rmmod hid_multitouch ; sudo modprobe hid-multitouch ; find
/sys/bus/usb/devices/2-3 -name control | xargs -I '{}' sudo sh
** Changed in: xserver-xorg-input-evdev (Ubuntu)
Status: Confirmed => In Progress
** Changed in: xserver-xorg-input-evdev (Ubuntu)
Assignee: (unassigned) => AceLan Kao (acelankao)
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Using wireshark to monitor the usb traffic, we'll find the touchscreen becomes
abnormal after systems sends the IDLE command to it.
But the touchscreen could revive after sending some other commands, such as
GET_DESCRIPTOR.
I'll build a test driver soon, but I need to build a list for the affec
Hi unix25, thanks a lot.
But, looks like your touchscreen chip is not Synaptics, I don't know if the
solution apply to SiS' chip.
I got a new way to test.
# cat /etc/modprobe.d/usbhid.conf
options usbhid quirks=0x06cb:0x0af8:0x2000
# sudo update-initramfs -u
# sudo reboot
Remembe
unix25,
Good to know that.
I'll build a patch for your device, so that linux kernel can support the SiS
touchscreen.
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https://bugs.launchpad.net/bugs/1180881
Tit
Those 2 patches had submitted
** Patch added: "0002-HID-usbhid-quirk-for-SiS-Touchscreen.patch"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-evdev/+bug/1180881/+attachment/3856404/+files/0002-HID-usbhid-quirk-for-SiS-Touchscreen.patch
** Changed in: xserver-xorg-input-evdev (U
** Patch added: "0001-HID-usbhid-quirk-for-Synaptics-Large-Touchccreen.patch"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-evdev/+bug/1180881/+attachment/3856403/+files/0001-HID-usbhid-quirk-for-Synaptics-Large-Touchccreen.patch
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Hi, I'm wondering if this issue still happened while using Precise(12.04)
kernel.
>From what I heard, this issue might result from that kernel didn't send out
>the drm ready event.
So, it's possible that this issue is fixed by the newer kernel.
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Great, I just cherry-picked some patches and built a new kernel
Could you guys try to see if those patches fix the issue?
Thanks
http://people.canonical.com/~acelan/bugs/lp873495/
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Dan,
I think the problem is solved by the mainline kernel, you could try the latest
kernel from the following link.
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => AceLan Kao (acelankao)
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Bryce,
I'll do the bisect when I available.
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
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https://bugs.launchpad.net/bugs/762855
Title
Hi,
This is the new natty kernel I cherry picked 4 patches from .39 kernel.
Please try it and check if this kernel fix the problem, thanks.
http://people.canonical.com/~acelan/bugs/lp753189/
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Hi,
This is the new natty kernel I cherry picked 4 patches from .39 kernel.
Please try it and check if this kernel fix the problem, thanks.
http://people.canonical.com/~acelan/bugs/lp753189/
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