I can confirm that 5.18.13 kernel has no flickers and no GRUB workaround
is needed.
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https://bugs.launchpad.net/bugs/1958191
Title:
[i915] Screen flickering in Ubuntu 22.04
Peter, I don't think it's a fix, but only a workaround that limits two
important power management functionalities (cpu cstates and gpu display
cstates). I hope and believe they're still working on finding a real fix
for the bug.
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In file /etc/default/grub I added to parameter GRUB_CMDLINE_LINUX_DEFAULT:
i915.enable_dc=0
intel_idle.max_cstate=2
updated grub and now I'm flicker free for a few days.
The last kernel without the flickering for me was the kernel that
shipped with 21.10
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After a flickering occurs the following message appears on the Log:
i915 :00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun
kernel device: +pci::00:02.0
priority: 3
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ht
Yes, I did.
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https://bugs.launchpad.net/bugs/1970426
Title:
[i915] screen suddenly starts flickering after update
Status in linux package in Ubuntu:
Confirmed
Bug descr
I can confirm that neither of the following fixed the bug:
GRUB Param `i915.enable_psr=0` did not fix
`intel_idle.max_cstate=4` did not fix
`intel_idle.max_cstate=0`did not fix
x11 session did not fix
Also, I noticed that when the screen starts flickering it only stops if
I move the cursor, if I
Maybe helps: The touchpad identifies under Windows as
"VEN_ELAN&DEV_0633".
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https://bugs.launchpad.net/bugs/1873677
Title:
Lenovo Ideapad S145 - Touchpad not recognized at
I now tried installing the latest kernel 5.6.7 from
https://kernel.ubuntu.com/~kernel-ppa/mainline/ and the problem still
exists.
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Tit
Disabling Thunderbolt Security in the BIOS did not help.
My BIOS has no Kernel DMA protection.
Any other ideas?
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https://bugs.launchpad.net/bugs/1766076
Title:
USB over th
Public bug reported:
Touchpad not working and does not show in /proc/bus/input/devices
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-24-generic 5.4.0-24.28
ProcVersionSignature: Ubuntu 5.4.0-24.28-generic 5.4.30
Uname: Linux 5.4.0-24-generic x86_64
ApportVersion: 2.20.11
I have the same issue with a i-tec displaylink docking station. My OS is
the ubuntu based linux mint 19.2 with kernel version 5.3.0-46-generic.
Here is the output from dmesg:
2020-04-09T08:49:10,389752+0200 evdi: [D] evdi_detect:92 (dev=2) poll connector
state: connected
2020-04-09T08:49:10,3897
Following logs show that your Ubuntu definitely thinks your laptop is
equipped with an ELAN touchpad (contrary to Windows opinion):
-
cat /sys/bus/acpi/devices/{ELAN,SYNA,CRQ}*/modalias
acpi:ELAN0632:PNP0C50:
---
Somehow you've got two modules to be loaded simultaneously:
elan_i2c 40960 0
[...]
synaptics_i2c 20480 0
dmesg mentions ELAN0632:
[9.706424] i2c_hid i2c-ELAN0632:00: i2c-ELAN0632:00 supply vdd not found,
using dummy regulator
[9.706437] i2c_hid i2c-ELAN0632:00:
... oh, sorry, I found the link to a full log file...
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Title:
Lenovo ThinkBook 14-IML Touchpad not showing up in
/proc/bus/input/d
Posting logs in the comment window is of little use as they are truncated.
Please consider using "Add attachment or patch" link below the window to share
log files.
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...and, by the way, which kernel version do you run?
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Title:
Lenovo ThinkBook 14-IML Touchpad not showing up in
/proc/bus/input/de
@pavelcheto (pavelcheto),
does you touchpad operate in basic mode (like a mouse, without
two-finger-scrolling and other extended functions) ?
Would you mind sharing the output of at least:
dmesg
cat /proc/bus/input/devices
lsmod
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@ChavTha Chau (chavtha),
thank you for information. I confirm: BIOS update CJCN26WW solves the issue.
Actual vendor change to ACPI table is:
- Name (_HID, "") // _HID: Hardware ID
+ Name (_HID, "ELAN0632") // _HID: Hardware ID
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I informed Lenovo support of the discussed issue on Feb,04 2020.
Since then I discovered an update [1] (CJCN25WW), but it still doesn't solve
the issue.
It's changelog said:
"Summary of changes
==
General Information:
CJCN25WW:
1. Update EC to CJEC27WW
2. Lenovo diagnostic of NO
Although I'm using OS ALT but I performed pretty much similar steps to
patch the ACPI DSDT table.
> In my case the output dsdt.dsl file contained some invalid error
output lines [...]
I also got multiple error messages which I commented for compile to
succeed
/*
*Firmware Error (ACPI): Could no
Managed to get the touchpad operate on 15-IML applying the following:
Initially touchpad didn't operate at all under Linux.
0) UEFI firmware update to CJCN24WW revision
(https://pcsupport.lenovo.com/ru/ru/products/laptops-and-netbooks
/thinkbook-series/thinkbook-15-iml/downloads/driver-
list/comp
Oh, I just realized the flow stops when VLC stops when I stop VLC, and
it doesn't appear with other video players, so it's more a VLC problem,
and a workaround is simply to remove VLC and use a non buggy player
instead.
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Same here. My syslog fills up of
"Thunar.desktop[3491]: [7f0ee436b700] vdpau_chroma filter error: video
mixer features failure: An invalid handle value was provided."
lines at a rate of hundreds of MB per minute, until the system partition is
entirely full.
If I do "sudo truncate -s 0 /var
Public bug reported:
Version.log && lspci-vnvn.log
https://drive.google.com/drive/folders/1RDfz1ozwAFTP7AuHO8_U16zuZAVPKRDS?usp=sharing
Ubuntu 19.04
Problem:
When i try to shudown my pc. I have black screen and this errors
INFO: task systemd-shutdow:1 blocked for more than 120 seconds
Not tain
The upstream kernels are only available for x86 /x86_64. The Powermac G5
is equipped with a 64 bit PowerPC CPU.
I cannot test upstream because I cannot find a daily cdimage for PPC64.
This is not an AMD Macintosh but a PowerMac (iMac G5).
** Changed in: linux (Ubuntu)
Status: Incomplete =>
Exactly the same problem with:
Linux imac 3.2.0-61-powerpc64-smp #93-Ubuntu SMP Fri May 2 23:01:20 UTC
2014 ppc64 ppc64 ppc64 GNU/Linux
Still on 12.04 LTS
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Please note that I am now back on the 12.04 LTS current kernel, as far
as I can tell. The uname information is above.
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Title:
14e4:
After installing bw-fwcutter, the system complains that the correct
firmware cannot be installed.
After installing firmware-b43-installer, I get the following:
[ 632.253678] cfg80211: Calling CRDA to update world regulatory domain
[ 632.364069] cfg80211: World regulatory domain updated:
[ 632.
I was planning on reinstalling, and I left my iMac on while I went and
got install media, and it decided to boot all the way up.
With the installed kernel, I'm getting:
[ 210.709352] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01)
[ 210.783377] ADDRCONF(NETDEV_UP): wlan0: link
My systen doesn't use GRUB, it uses yaboot, and it doesn't obviously
offer a previous kernel.
I'm pretty sure I tried both of the kernels it did offer when I tried to
boot, and both failed.
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Please note that before I installed your kernel, my system did boot just
fine, and was running the most recent stock kernel as of the opening
date of this bug (2013-09-01). In fact, upgrading to that kernel is
what killed my wireless, which worked fine before I did an apt-get dist-
upgrade.
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Y
My system no longer boots to a command line, so no, I cannot. I'll have
to reinstall in order to keep testing this.
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Title:
14e4:43
I get a black screen for at least 90 seconds, and on another console
(flipped to with alt-arrow) I get
[drm] nouveau :f0:10.0: Pixel clock comparison table not found.
I cannot tell if my wifi is working.
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I just contacted the kernel-team for advice on how to build a new
kernel.
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Title:
14e4:4320 Airport Extreme (Broadcom BCM4306) not w
When I use my daily CD of Saucy Salamander from 3 days ago, it crashes
the kernel (I get an oops).
See attached log.
Process:
Boot lubuntu live CD.
apt-get install firmware-b43-installer
rmmod b43
modprobe -v b43
Notwithstanding, jwiedmann's comment in
https://bugs.launchpad.net/ubuntu/+source
@penalvch: I finally found a daily build for PPC at
http://cdimage.ubuntu.com/lubuntu/daily-live/current/ and have
downloaded it but not yet tested it.
@jwiedmann: Do I need to do anything to get an SRU? That wiki link
pointed me to https://wiki.ubuntu.com/KernelTeam/KernelUpdates which
implies t
I cannot test upstream because I cannot find a daily cdimage for PPC64.
This is not an AMD Macintosh but a PowerMac (iMac G5).
** Tags removed: needs-upstream-testing
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags removed: needs-saucy-test
** Tags added: saucy-unabl
The upstream kernels are only available for x86 /x86_64. The Powermac G5
is equipped with a 64 bit PowerPC CPU.
** Tags removed: needs-upstream-testing powerpc
** Tags added: powerpckernel-unable-to-test-upstream
** Tags removed: powerpckernel-unable-to-test-upstream
** Tags added: kernel-unable-
Isn't the whole point of LTS that it is long term support?
Also, no, I can't reinstall this system to a daily build.
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Title:
14e4:4
Public bug reported:
wlan0 worked approximately 3 months ago, when I last booted this system,
but upon updating and rebooting, my wireless NIC stopped working.
This is essentially identical to 951687, except that:
- it is still a problem, and
- Christopher M. Penalver told me to open a new bug fo
The relevant snippets from dmesg are, from dmesg | grep bcm
[4.546281] b43-pci-bridge 0001:01:01.0: enabling device (0004 -> 0006)
[ 22.477259] b43-phy0: Broadcom 4306 WLAN found (core revision 5)
[ 22.572945] Registered led device: b43-phy0::tx
[ 22.573055] Registered led device: b43-ph
This is still happening to me after an update minutes ago:
Linux imac 3.2.0-52-powerpc64-smp #78-Ubuntu SMP Fri Jul 26 18:04:26 UTC
2013 ppc64 ppc64 ppc64 GNU/Linux
[ 422.168066] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01)
[ 422.224204] b43-pci-bridge 0001:01:01.0: Warning
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