[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Same fault by using VGA instead of DP. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage notifications about this

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

I'm using a HP Pro X2 612 G1. It has VGA compatible controller: Intel Corporation Device 0a1e (rev 0b) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Device 221b. The external Monitor (connected to DisplayPort) is recognized, but it the grafics is distorted and flickering. There

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

quick update. Although the VGA cable I used with the intel chipset was working fine with other laptop/monitor telling me ihe cable is 'fine', it happen I tried a different VGA cable and this time everything work fine. So far I suppose it is a cable pin out problem I'll be happy to provide more

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

You can also modify the xorg.conf to prioritize modesetting driver over intel. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

I tried to remove but if I do also this packeges will e removed - lubuntu-core - lubuntu-desktop So I did apt-get install --reinstal xserver-xorg-video-intel but nothing has changed. If I plug in the VGA and open a window I can see that the system see the monitor anch I can set via the 'monitor

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Please see if this issue can be solved after remove xserver-xorg-video- intel. Also, 945GME is quite different to the one used by original bug reporter... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

THis is the result with dmesg | grep intel [1.987610] intel_idle: MWAIT substates: 0x20220 [1.987629] intel_idle: v0.4.1 model 0x1C [1.987634] intel_idle: lapic_timer_reliable_states 0x2 [2.013276] agpgart-intel :00:00.0: Intel 945GME Chipset [2.013330] agpgart-intel

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Yes, I do. I have this problem only with some monitors / TV. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Do you have package "xserver-xorg-video-intel"? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage notifications

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Hi there, I'm facing still this problem with kernel 4.4.0-116-generic Any documentation I can post to help? Dmesg? thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Are we going to see this released in xenial-main? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage notifications

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To

Re: [Bug 1686189] Re: External monitor connecting problem on Intel graphics card

> On 9 Nov 2017, at 6:04 PM, Giacomo Orlandi <1686...@bugs.launchpad.net> wrote: > > @Kai-Heng I'm running that now it seems to be working well: > $ uname -a > Linux giacomo-awin-latitude 4.4.0-100-generic #123-Ubuntu SMP Thu Nov 2 > 10:16:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux > > > I see

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng I'm running that now it seems to be working well: $ uname -a Linux giacomo-awin-latitude 4.4.0-100-generic #123-Ubuntu SMP Thu Nov 2 10:16:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux I see many changes in the changelog, what's the patch that fixed it? -- You received this bug

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Linux kernel v4.4.0-100 in xenial-proposed contains the fix. Please give it a try. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

** Changed in: linux (Ubuntu) Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng thanks a lot, using the modesetting driver helped! I just read that using the Intel driver is not recommended anymore on newer systems, I didn't know that. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Thanks for your testing. The blank screen issue was always there, right? I think use modesetting driver instead of intel DDX should fix the issue. You can either use xorg.config or "apt purge xserver-xorg-video-intel" to switch to modesetting driver. -- You received this bug notification

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng: the problem is fixed here using your 4.4.0-99 version on my Dell Latitude E7470 with Skylake. Well it's buggy like on 4.4.0-72, after loggin both screens go black, but I have my workaround works again. If I switch to text mode (Ctrl+Alt+F1) and back (Alt+F7) both screens work --

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

It should be fixed in later 4.4 kernel [1] In the interim, please try kernel [2]. [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=12aa6f7f80c17ea47d0e186bade52272d0a77514 [2] http://people.canonical.com/~khfeng/1686189/ -- You received this bug

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Same problem here, affects me on 4.4.0-93-generic. Dell E7450 with docking station and 2 monitors, used to work flawlessly on 14.04. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title:

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

I tried Ubuntu 17.04, still the same issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage notifications about

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

The drm nightly kernel works for me (4.12.0-994-lowlatency). However, I do not have WLAN. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng: I do use a mini Displayport Cable with a Lenovo Thinkpad T460S. In the meantime I tried every kernel I could install using ukuu. However, none of them worked. Prior to Ukuu I did use a kernel from the nightly builds (drm-intel) and the monitor worked but WLAN not. Therefore, I

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Giacomo Orlandi, I experience what you describe since day one with Ubuntu 16.04 (DELL + USB DOCK). My work around is to disable the flickering screen and revert the settings. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Sorry for the delay, I tried: linux-image-4.4.0-83-generic doesn't work linux-image-4.8.0-040800-generic doesn't work linux-image-4.10.0-041000-generic works linux-image-4.11.0-041100-generic works By the way, I didn't mention is that even the kernel versions that work are far from perfect.

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Moritz, Do you use a docking station? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage notifications about this

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Still the same issue: 4.11.7-041107-generic #201706240231 SMP Sat Jun 24 06:33:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 07) i915 1495040 9 i2c_algo_bit 16384 1 i915 drm_kms_helper

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Thanks for the testing. Can you also try 4.4.71, 4.8, 4.9 as #35 states? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng Per request in #30, I installed version 4.10. Everything seems to be working just fine now. First Kernel outside of 4.4.72 that has worked for me. rodavid@rodavid-Latitude-E7250:~$ lsmod | grep i915 i915 1449984 5 i2c_algo_bit 16384 1 i915 drm_kms_helper

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Hi, please try Linux kernel version 4.4.71, 4.8, 4.9 at [1] so I can know the what exact patch series fixed the issue. My guess is that backported lspcon feature broke some machine. But since 4.10 works, we need to backport more patches to ours 4.4 Linux. [1]

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng Sorry for delay - been off work due to injury :( lsmod | grep i915: rodavid@rodavid-Latitude-E7250:~$ lsmod | grep i915 i915 1208320 5 i2c_algo_bit 16384 1 i915 drm_kms_helper155648 1 i915 drm 364544 6 i915,drm_kms_helper video

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

E7470 on Dell dock 0PDXXF here as well. LCD(eDP-1)+DVI(DP-1-1)+VGA(DP-1-3). Intel graphics only. I'm running 4.4.0-79-lowlatency now. DISTRIB_ID=neon DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="KDE neon User Edition 5.10" I've found out that graphics come up after I

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Last but not least, try latest 4.4 stable kernel: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.71/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Also, please try 4.8 and 4.9. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage notifications about this bug go to:

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Can you try if these kernel works? http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10/ http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng, if that can help this is my configuration below: -Dell Latitude E7450 on a Dell docking station with two screens (1 VGA , the other -Intel® Core™ i7-5600U CPU @ 2.60GHz × 4 -GeForce 840M/PCIe/SSE2 ggalibert@ggalibert-Latitude-E7450:~$ lsmod | grep i915 i915 1208320

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng I use a Dell E-Port Plus. This is my ouput of lsmod | grep i915: i915_bpo 1302528 5 intel_ips 20480 1 i915_bpo i2c_algo_bit 16384 1 i915_bpo drm_kms_helper155648 1 i915_bpo drm 364544 6 i915_bpo,drm_kms_helper video

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

NVidia setup is also including a second intel card (for power saving mode), but yes I mainly try to use NVidia profile (kernel used to complain about the intel card just like it is in your case). Secondly not only 4.4.0-72-generic is working also 4.10.1-041001-generic does very good job. As for

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Robert @Giacomo Are Linux kernel 4.4.0-73 ~ 4.4.0-77 all failed to work? Can you paste the output of `lsmod | grep i915` here? Also, which docking station do you use? I have an USB type-C docking station (TB15) at my hand, but I am not sure if you use this one... @Robert I am not sure which

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Not sure if this is a coincidence or what, but I'm also using a Dell Docking Station / Port replicator. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Version 4.4.0-72-generic seems to be the last version that works for everyone here, on different systems. I renamed this bug to mention Intel, but Shay Perlstein above had the same problem on NVidia. @Kai-Heng could it be the same bug even if on different graphic drivers? Do you know if there is

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Kai-Heng 4.4.0-72-generic As long as I boot with that Kernel, I have no issues. Every one after that, just gives me the above issues. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title:

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

I jumped to 4.10.1-041001-generic since I failed to go back to 4.4.0-72 which used to work, everything is working again as it should without any problem, I am now using the latest nvidia driver 381.22 (, also 378.13 worked perfectly fine). The kernel version definitely makes a difference BTW

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@Giacomo On Xenial's linux 4.4, Skylake uses i915_bpo instead of i915. Please file a separate bug for this. @Robert What version was the last working linux kernel? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

I am having the same issues even with the newer Kernel, 4.4.0-79-generic. Like others have mentioned above, I can mess with the settings and sometimes "it gets it" and other times it just causes the whole machine to lock up and I have to force reboot it. Even when the monitors do show up in

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

The problem is only reproducible with some Kernel versions, how can it not be related to the Kernel? I actually have a Sky Lake, not a Haswell like the reporter. So maybe one of those commits for Baytrail caused a regression on other Intel Graphics processors? Another culprit seems to be Dell

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Most kernel drivers are in extra package, i.e. linux-image- extra-4.4.0-78-generic. There are only two commits between -72 to -78: commit 2fce21649c85703a63e9c70ccc6e3b9caa813041 Author: Mika Kuoppala Date: Wed Feb 15 15:52:59 2017 +0200 drm/i915: Avoid

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

@kaihengfeng this is my output of that command: ~ $ dpkg -l | grep linux-image hi linux-image-4.4.0-72-generic 4.4.0-72.93 amd64Linux kernel image for version 4.4.0 on 64 bit x86 SMP ii linux-image-4.4.0-78-generic

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Same thing here, 4.4.0-78 does not solve the problem at all, I barely can work, is there going to be any attempt to fix this soon? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title:

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Maybe graphics driver doesn't exist at all? Can you attach output of `dpkg -l | grep linux-image`? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

For me, 4.4.0-78 actually made it worse on my Dell Latitude E7250 to the point where I had to downgrade to 4.4.0-72 in order to be able to use external monitors again. With versions prior to 4.4.0-78, running xrandr a couple of times would usually cycle through all kinds of weird broken setups

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

there was some improvement with 4.4.0-78 but still is ongoing - Ubuntu can't wake a suspended monitor, doesn't remember monitors positions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title:

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Can confirm nvidia with and without intel profile get the same problem with 4.4.0-78-generic same case was with 4.4.0-77-generic. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title:

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

Same problem here. Reverting to 4.4.0-72 fixed the issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

can confirm what others have reported above with 16.04 with 4.4.0-77 I have the issue, the issue wasn't/isn't present with 4.4.0-72 and below I'm unsure if this problem originates from a Xorg package - from the most recent Linux Kernel changelogs I think I noticed some bugfix that could affect

[Bug 1686189] Re: External monitor connecting problem on Intel graphics card

** Summary changed: - External monitor connecting problem + External monitor connecting problem on Intel graphics card -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor