I'm on Ubuntu 17.10 ... laptop has external monitor using HDMI cable and
see this message I've never noticed before
dmesg
...
[drm] HPD interrupt storm detected on connector HDMI-A-2: switching from
hotplug detection to polling
details :
uname -m && uname -r && cat /etc/*release
x86_64
[Expired for xserver-xorg-video-intel (Ubuntu) because there has been no
activity for 60 days.]
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => Expired
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Bugs, which is subscribed to Ubuntu.
Chris Cheney, any change updating to the Vivid enablement stack as
outlined in https://wiki.ubuntu.com/Kernel/LTSEnablementStack ?
** Tags added: latest-bios-f9
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => Low
** Changed in: xserver-xorg-video-intel (Ubuntu)
Hi,
I dont if its related or not. But I have a Dell Inspiron 14R that was working
great with his HDMI port for another monitor but it stop working I dont know if
it was an update of ubuntu or any other configuration.
in dmesg I get this error:
[14531.399160] [drm] HPD interrupt storm detected
Still happens on linux-image-3.13.0-35-generic 3.13.0-35.62
Attached updated dmesg output
** Attachment added: dmesg.3.13.0-35-generic.log
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1360545/+attachment/4195842/+files/dmesg.3.13.0-35-generic.log
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I forgot to mention in #2 that the reason I tested and uploaded a new
dmesg was due to multiple entries in the 3.13.0-35.62 Ubuntu changelog
relating to i915 dp support. The changes didn't appear to fix my issue
though.
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So I dug around in fdo intel BZ area and found that adding the following
to the kernel may produce better logs:
drm.debug=0xe log_buf_len=4M
I have attached the resulting log. It looks a lot like the other bugs
for ThinkPad that have been around for a long time now.
** Summary changed:
- [drm] HPD interrupt storm detected on connector DP-1: switching from hotplug
detection to polling
+ [trusty] [drm] HPD interrupt storm detected on connector DP-1: switching from
hotplug detection to polling
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
** Description changed:
I have a haswell motherboard with 3 1080p monitors connected, 2 directly
via HDMI and a 3rd HDMI connected to an active displayport dongle. The
monitor on the displayport connection had
