This bug appeared for months on different (previous) kernels, just I
have reported it for the first time.
** Information type changed from Private Security to Public Security
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This issue has only a minor appearance (not affects the OS usability so
much) on the latest kernel (4.9.3-040903): the windows redrawing is
dirty, but the UI is functional. See
https://bugzilla.kernel.org/show_bug.cgi?id=192671.
** Bug watch added: Linux Kernel Bug Tracker #192671
I rebooted the laptop at ~2 am of Nov 12, so there is no sence to run
"apport-collect" now. However I collected manually system logs for the
period of time when that issue occurred (~ 15:00 of Nov 11 - 2 am of Nov
12).
** Attachment added: "System logs for the period of time when that bug
apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777179/+files/RfKill.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777181/+files/WifiSyslog.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777180/+files/UdevDb.txt
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** Summary changed:
- Text in the Unity windows disappears/mixed after the resume
+ Scrambled UI: Text in the Unity windows disappears/mixed after the resume
from screen idle
** Summary changed:
- Scrambled UI: Text in the Unity windows disappears/mixed after the resume
from screen idle
+
The same issue ocurred, but under another usecase.
This time the laptop was NOT after the sleep state. The issue occurred afer a
few minutes of the idle state so as the display was automatically shut down,
but without the sleep state. Also this time an external monitor has been
pluggen in
apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777176/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777177/+files/ProcModules.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777175/+files/ProcEnviron.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777168/+files/CRDA.txt
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https://bugs.launchpad.net/bugs/1641152
apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777173/+files/Lsusb.txt
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https://bugs.launchpad.net/bugs/1641152
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777172/+files/Lspci.txt
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https://bugs.launchpad.net/bugs/1641152
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777174/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1641152/+attachment/4777170/+files/IwConfig.txt
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apport information
** Tags added: apport-collected xenial
** Description changed:
Text in Unity windows becomes total mess after suspending and waking up
Ubuntu 16.04. I had this issue a few times, but it is not always
reproducable. The screenshot is attached, where there is disappeared
Public bug reported:
Text in Unity windows becomes total mess after suspending and waking up
Ubuntu 16.04. I had this issue a few times, but it is not always
reproducable. The screenshot is attached, where there is disappeared or
mixed text on buttons and window panels (though the copy-paste from
Yes, this issue has started after the update and was not occurred after I
upgraded from 14.04 to 16.04 until some of the latest updates, though it might
be pre-last kernel update.
It seems, this issue occurs since the latest version(s) of the 4.4.0-47 kernel,
definitely in 4.4.0-47.68 and might
Christopher, *-rc versions are the release Candidates, once I installed
it (http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9-rc5) to check the
same bug (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1641152)
in November and ended up without WiFi. I can't work on *-rc.
The bug reproduced
Christopher, I've installed the latest mainline kernel
(4.9.3-040903-generic #201701120631) and performed quick stress testing.
At the moment everything works fine, but as me and nico mentioned, this
bug is not always reproducable even on the kernels where it definitely
exists. I will work on this
Yes, that screenshot was taken for the latest official update of Ubuntu
16.04.1 LTS via the Software updater made ~ 3rd of Jan, 2017, which has
kernel 4.4.0-57.
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I can not install another version of Ubuntu on my laptop, because it
would affect my work, but I will install the latest build of the kernel
before the next reboot (which is done approximately once per a month).
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apport information
** Attachment added: "JournalErrors.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799721/+files/JournalErrors.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799718/+files/CRDA.txt
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https://bugs.launchpad.net/bugs/1651520
apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799730/+files/UdevDb.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799726/+files/ProcInterrupts.txt
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Stack traces for the latest official update of Ubuntu 16.04 x64
(4.4.0-57-generic) made via the apt-get update.
As it was outlined, this bug occurs also for the linux-image-generic 4.4.0.53
and some versions before 4.4.0-51, but does not occur in
linux-image-extra-4.4.0-51-generic 4.4.0-51.72
apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799729/+files/RfKill.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799728/+files/PulseList.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799723/+files/Lsusb.txt
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https://bugs.launchpad.net/bugs/1651520
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799724/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799727/+files/ProcModules.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799725/+files/ProcEnviron.txt
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apport information
** Tags added: apport-collected
** Description changed:
Text in Unity windows becomes a total mess after suspending and waking
up Ubuntu 16.04. Text content in most of system and native windows are
scrambled including terminal, nautilus, native apps EXCEPT Java apps
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799722/+files/Lspci.txt
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https://bugs.launchpad.net/bugs/1651520
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799731/+files/WifiSyslog.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799720/+files/IwConfig.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1651520/+attachment/4799719/+files/CurrentDmesg.txt
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Screenshot of the Bug.
All windows of the native system apps are damaged (have scrumbled text) and
only Java-based windows are not affected (the browser works fine).
** Attachment added: "ScrambledUI.png"
I'm reffereing the official standard Ubuntu 16.04 updates, not the
latest manually installable kernels.
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https://bugs.launchpad.net/bugs/1641152
Title:
Scrambled UI: Text
The issue have not been appeared since the middle of Nov. I have no idea
whether it was a kernel-specific issue or Unity-specific one, but it
seems it has been fixed by the updates.
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The same error ocurred on
$ uname -a
Linux A2XLab 4.4.0-53-generic #74-Ubuntu SMP Fri Dec 2 15:59:10 UTC 2016 x86_64
x86_64 x86_64 GNU/Linux
kernel: 4.4.0.53.56 amd64
* Note that this error did no apper on 4.4.0-51.72 amd64 *
I attempted to run apport-collect, but can't do it. The scrabled
Tried kernels:
[ERR] ii linux-image-extra-4.4.0-47-generic4.4.0-47.68
amd64Linux kernel extra modules for
version 4.4.0 on 64 bit x86 SMP
[OK] ii linux-image-extra-4.4.0-51-generic4.4.0-51.72
Public bug reported:
Text in Unity windows becomes a total mess after suspending and waking up
Ubuntu 16.04. Text content in most of system and native windows are scrambled
including terminal, nautilus, native apps EXCEPT Java apps (browsers and Libre
Office work fine).
I had this issue
The same issue happens starting with the kernel 4.14.36 (also exists
with the 4.14.37) on Ubuntu 16.04 x64, note that 4.14.35 installed fine.
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** Summary changed:
- unable to handle kernel paging request (kernel 4.14.11)
+ Ubuntu Hangs: unable to handle kernel paging request (kernel 4.14.11)
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Public bug reported:
After installation 4.14.11-041411-generic (x86_64) kernel on Linux
Ubuntu 16.04, RF mouse and keyboard did not work if plugged via the USB
hub and after several attempts to connect them the Linux hanged at all
with the following error in the syslog:
```
...
Jan 5 11:50:26
Hi Joseph, no this issue has not occurred on any other Ubuntu kernels up to
4.14. In particular, 4.13 works fine and is much more stable (does not hangs
and has no issues with the periphery unlike 4.14).
It seems all the required information that could be provided was provided from
my side as
USB-plugged Keyboard and mouse do not work on Ubuntu Linux 16.04.5 x64
with the latest kernel: 4.14.89-041489-generic #201812170432 SMP Mon Dec
17 09:35:41 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
The issues occurred after the kernel upgraded and laptop suspending, the
original laptop keyboad and
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