Mike Harris, it will help immensely if you filed a new report with the Ubuntu
repository kernel (not mainline/upstream) via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
For more on why this is helpful, please see
https://wiki.ubuntu.com/ReportingBugs.
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This issue affects me as well. Lenovo T460 and a Lenovo basic docking
station. The docking station is connected to an Acer 24" monitor via
VGA. Once the desktop locks and the unity login appears the external
display enters power save mode. Unlocking via the password does not
power up the extern
** Tags removed: bios-outdated-2.61
** Tags added: bios-outdated-2.63
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Title:
[dp] External Screen doesn't wake up from sleep
To manage notifica
Just purchased a Startech.com mini dp to DVI adapter and the issue does not
occur.
It seems that the issue is confined to the mini dp to VGA adapter. If anyone is
looking to purchase one of these the Cirago "active" mini dp to VGA has issues
on Ubuntu when the screen goes to DPMS.
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Bios Updated to 2.61 issue still exists. I was on a 3.12 upstream kernel
and the issue persists.
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Title:
[dp] External Screen doesn't wake up fro
** Tags added: bios-outdated-2.61 needs-trusty-test needs-upstream-
testing
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Title:
[dp] External Screen doesn't wake up from sleep
To manage no
This issue is NOT resolved yet.
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Title:
[dp] External Screen doesn't wake up from sleep
To manage notifications about this bug go to:
https://bu
apport information
** Tags added: apport-collected saucy
** Description changed:
I have a Lenovo X1 Carbon with an external screen connected to a Mini DP to
VGA adapter. External screen works fine until the display goes to sleep for
inactivity (just the display goes to sleep, not the laptop)
omriasta, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/curren
Issue is definitely related to DPMS. Disabling DPMS altogether prevents the
screen from turning off completely in turn preventing it from failing to turn
back on. Screen still blanks when I lock the screen but backlight remains on
and the screen doesn't go to "power saving" mode.
I have updated
Here is dmesg in 13.10:
[ cut here ]
[ 6803.837811] WARNING: CPU: 1 PID: 1251 at
/build/buildd/linux-3.11.0/drivers/gpu/drm/i915/intel_dp.c:2211
intel_dp_link_down+0x1b2/0x1e0 [i915]()
[ 6803.837816] Modules linked in: snd_seq_dummy(F) hid_generic hidp usbhid hid
pci_stub
Still present after updating to 13.10
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Title:
[dp] External Screen doesn't wake up from sleep
To manage notifications about this bug go to:
http
I'm having a similar issue...I believemy monitor goes blank after a
certain time and doesn't turn back onI looked up the error
"drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting"
and that brough me hereI've attached my dmesg output.that output
is *after* I turn
** Tags added: resume
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Title:
[dp] External Screen doesn't wake up from sleep
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