** Changed in: canonical-devices-system-image
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1574777
Title:
tablet connected to monitor shows
Thanks for the clarification.
That bug sounds similar but when dealing with individuals' experiences
with different device types, it's best to not merge such bugs. Because
we're often surprised when we find they have different root causes. And
then people get upset when their duplicate bug isn't
Ok. As said, I see "0.6Hz" when connecting to my tv, which works.
Can this bug report "merged" with
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1574635
Seems to me the very same problem.
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Yes 0.6Hz sounds bad but I'm hoping we can ignore it for a couple of
reasons:
1. Mir does not use that information to change its behaviour. Only
prints it out. Instead Mir will sync to vblank (60Hz or whatever).
1.1. Android drivers on the other hand might use that information, which
would be
Sorry, I'd attached the wrong unity8.log. Now this one is the one I
described above.
Hmm, and why can you ignore that the mirserver logs the same wrong
information about the display for two different monitors?
** Attachment added: "unity8.log"
** Attachment removed: "unity8.log"
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1574777/+attachment/4660210/+files/unity8.log
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Can I assume other M10 owners also see "0,60Hz" or "0.60Hz"?.. In that
case we could ignore that bit.
** Changed in: mir
Status: Incomplete => New
** Changed in: mir (Ubuntu)
Status: Incomplete => New
** Changed in: qtmir (Ubuntu)
Status: Incomplete => New
** Changed in:
Interesting you say the same tablet and cable works on your TV. That
suggests it might be a signal/connection incompatibility in the Idek
Iiyama PL2409HD rather than a software problem.
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Because Stephen mentioned on the mailing list that it could depend on the
cable, I bought a second one, but no luck with that either.
1. sorry, the M10 is my only tablet/phone with hdmi
2. tablet+cables work on my LCD-TV. It seems my tv also wants a refresh
rate of 0,60Hz
[2016-05-10
Well, I suppose the problem is that the monitor simply rejects
refreshing at 0,60Hz. According to unity8 it does create a second screen
etc., so I suspect the device screen changes to "virtual touchpad", but
nothing's displayed on the external screen because of the crazy refresh
rate.
--
You
ch: Please try/check:
1. The same HDMI cable plugged into a different tablet/phone.
2. The same tablet+cable plugged into a different monitor.
3. Does the M10's screen change when you plug in the cable? I thought it
was meant to...?
** Changed in: canonical-devices-system-image
Status:
I take it back. On Mir's android platform the predictive bypass
optimization will never delay rendering by more than 10ms at most. So an
incorrect EDID won't stop Mir from compositing. Although there might be
deeper Android code that is confused by the invalid refresh rate
reported by the
Mir does have some code that will throttle proportionally to the
advertised refresh rate. That's the 'predictive bypass' optimization.
Although even with that you should see a frames every second or two --
something would be on screen. So the monitor reporting (or Mir
detecting?) an incorrect
** Tags added: black-screen
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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1574777
Title:
tablet connected to monitor shows black screen - Idek Iiyama PL2409HD
Status in
Here are the relevant parts of the log:
[2016-04-28 23:02:17.359724] mirserver: New display configuration:
[2016-04-28 23:02:17.370686] mirserver: 0.1: LVDS 10,0" 135x216mm
[2016-04-28 23:02:17.370872] mirserver:Current mode 1200x1920 57,07Hz
[2016-04-28 23:02:17.370953] mirserver:
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