Thank you both. There's no obvious error or traceback in the logs. I'd
still like to see Asvin's x-0-greeter.log, but at the moment it doesn't
look like Onboard crashes outright. Actually, there's little hint it is
being started at all, but this seems to be the normal case.
There is an undocumented (read awkward) way to get a log file from
Onboard, even when running in unity-greeter (which hard-codes Onboard's
command-line). That would be good to have.
Make /usr/lib/python3/dist-packages/Onboard/Config.py starting from line 290
look like this:
# optionally log to file; everything, including stack traces
if 1:
options.debug = "debug"
logfile = open("/tmp/onboard.log", "w")
#sys.stdout = logfile
sys.stderr = logfile
Edit it by hand or use this one-liner:
sudo vi /usr/lib/python3/dist-packages/Onboard/Config.py +"%s/if 0/if 1/"
+"%s/sys.stdout = logfile/#sys.stdout = logfile/" +wq
Then reboot, make sure the black rectangle is still visible at the login
screen (i.e. the keyboard is still enabled), login and post the file
"/tmp/onboard.log" here. Note that Onboard will probably fail to start
in the user session now, until you delete /tmp/onboard.log.
When done, undo the changes with:
sudo apt-get install --reinstall onboard
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https://bugs.launchpad.net/bugs/1562734
Title:
Onboard keyboard shows black box on login
Status in onboard package in Ubuntu:
Confirmed
Bug description:
The onboard keyboard does not show properly on login. Only a black box
is shown where the keyboard is supposed to appear, but the keys are
not displayed. After login onboard works as expected.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-15-generic 4.4.0-15.31 [modified:
boot/vmlinuz-4.4.0-15-generic]
ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
Uname: Linux 4.4.0-15-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: asvin 1814 F.... pulseaudio
/dev/snd/controlC1: asvin 1814 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Mar 28 09:42:30 2016
HibernationDevice: RESUME=UUID=f716048f-ce0e-4825-b3c4-563fa743242a
InstallationDate: Installed on 2016-03-23 (4 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
MachineType: Dell Inc. Venue 11 Pro 7140
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic.efi.signed
root=UUID=a9cb1c53-fcf1-4691-a246-24b90dd908c6 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-15-generic N/A
linux-backports-modules-4.4.0-15-generic N/A
linux-firmware 1.157
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/27/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 0XMVMH
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA09:bd10/27/2015:svnDellInc.:pnVenue11Pro7140:pvr:rvnDellInc.:rn0XMVMH:rvrA00:cvnDellInc.:ct8:cvr:
dmi.product.name: Venue 11 Pro 7140
dmi.sys.vendor: Dell Inc.
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