I have tested the following mainline kernels from
https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
5.3.0-050300rc5-generic
4.15.1-041501-generic
4.15.0-041500-generic
The bug does not occur when running these kernels.
** Package changed: linux-meta-hwe (Ubuntu) => linux (Ubuntu)
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** Description changed:
Regression: My laptop has become unable to enter S3 sleep/suspend.
(A.K.A. Suspend to RAM) It seems to go through all the motions,
including shutting down network interfaces and stopping the hard disk,
but fails at the last moment and immediately starts back up agai
apport information
** Attachment added: "HookError_generic.txt"
https://bugs.launchpad.net/bugs/1841070/+attachment/5284059/+files/HookError_generic.txt
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apport information
** Tags added: apport-collected
** Description changed:
Regression: My laptop has become unable to enter S3 sleep/suspend.
(A.K.A. Suspend to RAM) It seems to go through all the motions,
including shutting down network interfaces and stopping the hard disk,
but fails a
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1841070/+attachment/5284061/+files/Lspci.txt
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** Attachment added: "Lsusb.txt"
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** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1841070/+attachment/5284066/+files/ProcModules.txt
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** Attachment added: "ProcInterrupts.txt"
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** Attachment added: "ProcCpuinfoMinimal.txt"
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** Attachment added: "ProcEnviron.txt"
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** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1841070/+attachment/5284060/+files/IwConfig.txt
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** Attachment added: "CRDA.txt"
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** Attachment added: "CurrentDmesg.txt"
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** Attachment added: "PulseList.txt"
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** Attachment added: "WifiSyslog.txt"
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** Attachment added: "RfKill.txt"
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** Attachment added: "UdevDb.txt"
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Further to my previous comment, I have now tested the following
additional mainline kernels from https://kernel.ubuntu.com/~kernel-
ppa/mainline/?C=N;O=D
4.16.0-041600rc1-generic
4.15.18-041518-generic
4.15.17-041517-generic
The bug does not occur when running these kernels.
** Changed in: linux
I'm sorry, I have been unable to figure out where I can download -56 and
-57 from. Please advise.
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Title:
S3 sleep/suspend fails wit
4.15.0-57 and 4.15.0-56 are both affected.
(They also have graphical glitches and no WiFi.)
Contrary to comment #23, I found -57 at
https://launchpad.net/~canonical-kernel-security-team/+archive/ubuntu/ppa/+build/17349453
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> This probably means linux-modules-extra isn't installed.
You're quite right, it wasn't installed. After installing it, the graphical
glitches go away, and the WiFi works. The sleep issue remains, in both -56 and
-57.
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I tried physically removing the 4G modem card from inside the laptop,
because there were messages related to it in the output of dmesg from
the time when the suspend fails.
Removing the 4G modem card causes suspend to work properly.
12d1:15bb Huawei Technologies Co., Ltd. ME936 LTE/HSDPA+ 4G mode
The bug, it seems, is not present in -60.
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Title:
S3 sleep/suspend fails with Linux 4.15.0-58-generic
Status in linux package in Ub
Paul F, if you think you have found a bug, then you need to make a new,
separate bug report under a new bug number, because your hardware is
different and you are not discussing a regression in kernel 4.13.0-43,
which is what this particular bug was about.
Here are some instructions for reporting
Not present in -62 either. Should I change the bug status to Fix Released, or
is that only used when someone made a change that was specifically intended to
fix the bug?
P.S. Thanks for your help.
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Concurrent with the temporal dithering, I have also noticed general poor
graphical performance with the affected kernels. E.g. 50fps and 60fps
video playback is choppy, sometimes slow redraw and other graphical
glitches on UI elements. Like the temporal dithering, these additional
problems disappea
apport information
** Tags added: apport-collected xenial
** Description changed:
I am experiencing a regression in linux-image-generic-hwe-16.04 with
Intel HD Graphics 530 (Core i5-6600T), starting in 4.13.0-43
(considering only kernels which appear in my GRUB menu).
Some form of spa
apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152140/+files/CRDA.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152141/+files/CurrentDmesg.txt
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** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152147/+files/ProcEnviron.txt
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** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152145/+files/Lsusb.txt
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** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152144/+files/Lspci.txt
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** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152143/+files/IwConfig.txt
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** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152149/+files/ProcModules.txt
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** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152153/+files/WifiSyslog.txt
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** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152151/+files/RfKill.txt
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** Attachment added: "PulseList.txt"
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** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152148/+files/ProcInterrupts.txt
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** Attachment added: "ProcCpuinfoMinimal.txt"
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** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152152/+files/UdevDb.txt
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** Attachment added: "HookError_generic.txt"
https://bugs.launchpad.net/bugs/1776642/+attachment/5152142/+files/HookError_generic.txt
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I can confirm that the temporal dithering is present when running
mainline kernel 4.17.0-041700-generic.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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In 4.15.0-25-generic, the symptoms have changed. The objectionable
temporal dithering persists in virtual terminals (e.g. Ctrl+Alt+F1) but
under KDE Plasma 5 it has disappeared or become imperceptible, and high
fps video playback is no longer choppy.
However, with this kernel, the blurring effect
Under 4.18-rc3 from http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.18-rc3/ the symptoms appear identical to those under
4.15.0-25-generic.
I tested mainline 4.17, 4.17.2, 4.17.3, 4.17.4 and 4.18-rc2 from the
kernel.ubuntu.com, which all displayed the original symptoms reported
for this bug.
Co
So, to summarise, the bug in regard to Xorg seems to be fixed in
4.15.0-25 and in 4.18-rc3. The bug appears to have always been present
under virtual terminals (only tested as far back as 4.13.0-31.
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I've marked this bug as fix released since that appears to be the case.
The issues I mentioned regarding semi-transparent backgrounds seem to be an
unrelated bug #1780664 in mesa.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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** Attachment removed: "WifiSyslog.txt"
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** Attachment removed: "Lspci.txt"
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** Attachment removed: "Lsusb.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1776642/+attachment/5152145/+files/Lsusb.txt
** Attachment removed:
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