Some additional information and observations.
What I am currently seeing with this issue on 3 systems running Ubuntu
18.04 that did not occur on the same systems that previously ran 16.04
is that the actual screen blanking in 18.04, aside from default settings
or overrides, fails to turn off the
Ever since the default changed to never blanking the screen, and after I
whined in comment #18 above, I have been running this in
/etc/default/grub:
GRUB_CMDLINE_LINUX_DEFAULT=" consoleblank=300 "
always save a copy of grub first, and do "sudo update-grub afterwards",
then re-boot.
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You
Here's the change that was made: https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/zesty/commit/?id=a87ae50beda8c46c543b39e19070549cf355eb65
It's just the default of the consoleblank= kernel parameter. You can
override it by specifying that parameter to the kernel at boot time
To Robie Basak, specifically #22,
You said, "I don't see how we created another problem. We changed the default,
that's all."
You seem to have concluded that merely a change of default functionally
was made at some point.
Perhaps that is the case. If so, what specifically was the default
See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767568/comments/33 :
> (..) I have noticed that the /etc/kbd/config is present on 16.04, I believe
> it was missing on 18.04. (...)
Please, can someone tell me: Why was /etc/kbd/config (and also
/etc/kbd/remap) removed on kbd package
> as I described by suggesting a venue for that
discussion in the previous comment.
Sorry, I confused bugs. My comment was in a different bug but still
relevant:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767568/comments/37
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On Sun, Jul 21, 2019 at 09:59:40PM -, atterdag wrote:
> I have to concur that it must this change is really a detriment to
> people that still use Ubuntu on physical servers - i.e. running
> OpenStack hosts. Fixing one problem by creating another problem is
> really poor problem management.
I
I have to concur that it must this change is really a detriment to
people that still use Ubuntu on physical servers - i.e. running
OpenStack hosts. Fixing one problem by creating another problem is
really poor problem management.
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So this "fix" seems to cause Kernels released with zesty (and newer)
keep the monitor always ON. No blanking, and no power down either.
Before this fix, a clean install of Ubuntu server would signal the
monitor to sleep/standby after a short while. Now the default behavior
is to leave the monitor
The console should blank and powerdown, with defaults of 10 min (600s)
and 12 min, respectively. Servers are NOT headless - that is a
boneheaded assumption to justify crippling
/sys/module/kernel/parameters/consoleblank to mask other problems that
should be fixed instead of swept-under-the-rug by
Kernel 4.12-rc1 has this change, so the console now defaults to never
going blank. I disagree with this change.
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https://bugs.launchpad.net/bugs/869017
Title:
This bug was fixed in the package linux - 4.10.0-15.17
---
linux (4.10.0-15.17) zesty; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1675868
* In ZZ-BML (POWER9):ubuntu17.04 installation Fails (LP: #1675771)
- powerpc/64s: fix handling of non-synchronous
Thanks Tim!
Invalid for kbd then I guess, as the fix will be in the kernel.
** Changed in: kbd (Ubuntu Zesty)
Status: Triaged => Invalid
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UBUNTU: SAUCE: Disable default console blanking interval
I'll also send this upstream to get some opinions.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
** Also affects: kbd (Ubuntu
Kernel team,
This default appears to be set in drivers/tty/vt/vt.c to "10*60". Would
you be agreeable in changing the default to 0 for all of Ubuntu in the
next release (perhaps Zesty+1)? For example we could patch it, or we
could add a parameter to make it configurable (either defaulting to
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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** Changed in: kbd (Debian)
Status: Unknown => Fix Released
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https://bugs.launchpad.net/bugs/869017
Title:
Ubuntu server enables screenblanking,
** Also affects: kbd (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=796583
Importance: Unknown
Status: Unknown
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I'll see if I can drive a better fix for this.
** Changed in: kbd (Ubuntu)
Assignee: Mathieu Trudel-Lapierre (cyphermox) => Robie Basak (racb)
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Tracker bug for the initscript for kbd was https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=796583.
Please make sure you link your upstream bug too.
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I'm going to revert this change. We've been carrying this is kbd since
wily, so it landed in xenial, but it doesn't even work (VT still blanks
here, on a newly-installed system). Debian also drops the files, so to
support not blanking the console, we'd need to think of some alternate
method of,
Please also file a bug on the Debian BTS; it's also relevant to Debian
although they may have a different opinion on whether or not this should
be done.
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** Branch linked: lp:ubuntu/wily-proposed/kbd
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https://bugs.launchpad.net/bugs/869017
Title:
Ubuntu server enables screenblanking, concealing crashdumps (DPMS
This bug was fixed in the package kbd - 1.15.5-1ubuntu4
---
kbd (1.15.5-1ubuntu4) wily; urgency=medium
* debian/conffiles.d/config: Disable automatic virtual console screen blank
- Don't blank screen on virtual consoles, because most systems running
without X are headless
Thank you for sponsoring, I will open a bug report on their tracker and
link to this.
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https://bugs.launchpad.net/bugs/869017
Title:
Ubuntu server enables
I'm looking into this now; will test and sponsor the fix.
** Changed in: kbd (Ubuntu)
Assignee: Wesley Wiedenmeier (wesley-wiedenmeier) => Mathieu
Trudel-Lapierre (mathieu-tl)
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We should get sign off on this from the ubuntu-devel mailing list before
making this change, as it changes behaviour. The new behaviour makes
sense, as there does not seem to be an advantage to blanking the screen
like this, but there might be some people who object
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** Tags added: wily
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https://bugs.launchpad.net/bugs/869017
Title:
Ubuntu server enables screenblanking, concealing crashdumps (DPMS is
not used)
Status in
** Tags added: rls-w-incoming
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https://bugs.launchpad.net/bugs/869017
Title:
Ubuntu server enables screenblanking, concealing crashdumps (DPMS is
not used)
** Changed in: console-setup (Ubuntu)
Assignee: (unassigned) = Wesley Wiedenmeier (wesley-wiedenmeier)
** Changed in: console-setup (Ubuntu)
Status: Triaged = In Progress
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Disabled blank screen in /etc/kbd/config
** Attachment added: patch
https://bugs.launchpad.net/ubuntu/+source/console-setup/+bug/869017/+attachment/4439243/+files/patch
** Package changed: console-setup (Ubuntu) = kbd (Ubuntu)
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The attachment patch seems to be a debdiff. The ubuntu-sponsors team
has been subscribed to the bug report so that they can review and
hopefully sponsor the debdiff. If the attachment isn't a patch, please
remove the patch flag from the attachment, remove the patch tag, and
if you are member of
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