Our company just purchased these laptops and we could really use a fix for them. Would you mind sharing the edid files you created to get the displays functioning?
On Tue, Jul 9, 2019 at 17:50 Rich Drewes <dre...@interstice.com> wrote: > I'm not sure this is a Linux problem. It may be that the panel is > reporting bad EDID data. I haven't investigated enough to say for sure. > In any case none of the more recent Linux releases fixed the problem in > my tests. Also no other open source OSs were able to deal with the > onboard LCD panel either. (That may have changed since I tested.) > > If you were interested, you might be able to patch the firmware on the > onboard panel to provide different EDID information. I looked into doing > this and there are some tutorials out there. However, it's possible you > could do something wrong and end up worse than you were before. If you > learn something new, please post it here. In particular if you find some > open source OS that can configure this display properly at full > resolution without resorting to forcing EDID information please say so > here. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1821533 > > Title: > drm fails to accept edid version 2.4 > > Status in linux-hwe package in Ubuntu: > Confirmed > Status in xorg-server package in Ubuntu: > Confirmed > > Bug description: > Booting very new laptop hardware (ASUS Zenbook UX431FA) from 18.04 usb > install (also 18.10, also 19.04 daily) leads to black screen. Adding > "nomodeset" to kernel boot parameter gives 800x600 video only and > permits installing OS to disk. Applying updates and hardware > enablement packages does not solve problem: the system will still only > boot with nomodeset kernel option, and X is limited to using fbdev > module at 800x600 resolution. > > The "modesetting" driver appears to be loaded and then unloaded during > X startup. Trying to force intel module from xserver-xorg-video-intel > by setting up 20-intel.conf file in /usr/share/X11/xorg.conf.d/ does > not help. > > The PCI id for the graphics device appears to be 3ea0 and the place > where that might be relevant is the i915 module. > > This problem occurs with every other Linux release I have tried > including Fedora 29, Elementary OS latest, Mint 19.1, Manjaro latest. > The one open source OS that I have found where it might be fixed is > DragonFlyBSD (see https://bugs.dragonflybsd.org/issues/3167). I have > verified that the patch referenced in that bug report does make > DragonFlyBSD boot past the video problem which I think is the same > problem I experience with every Linux OS I have tried including > Ubuntu. > > guest@guest-ZenBook-UX431FA:~$ lsb_release -rd > Description: Ubuntu 18.04.2 LTS > Release: 18.04 > > guest@guest-ZenBook-UX431FA:~$ dpkg -l | grep hwe | egrep "linux|fbdev" > ii linux-generic-hwe-18.04 4.18.0.16.66 > amd64 Complete Generic Linux kernel and headers > ii linux-headers-generic-hwe-18.04 4.18.0.16.66 > amd64 Generic Linux kernel headers > ii linux-image-generic-hwe-18.04 4.18.0.16.66 > amd64 Generic Linux kernel image > ii linux-signed-generic-hwe-18.04 4.18.0.16.66 > amd64 Complete Signed Generic Linux kernel and > headers (dummy transitional package) > ii xserver-xorg-video-fbdev-hwe-18.04 1:0.5.0-1ubuntu1~18.04.1 > amd64 X.Org X server -- fbdev display driver > > Expected result: Video at 1920x1080 > Actual result: Video limited to 800x600 > > ProblemType: Bug > DistroRelease: Ubuntu 18.04 > Package: xorg 1:7.7+19ubuntu7.1 > ProcVersionSignature: Ubuntu 4.18.0-16.17~18.04.1-generic 4.18.20 > Uname: Linux 4.18.0-16-generic x86_64 > ApportVersion: 2.20.9-0ubuntu7.6 > Architecture: amd64 > BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' > CompositorRunning: None > CurrentDesktop: ubuntu:GNOME > Date: Sun Mar 24 10:36:51 2019 > DistUpgraded: Fresh install > DistroCodename: bionic > DistroVariant: ubuntu > ExtraDebuggingInterest: Yes, including running git bisection searches > GraphicsCard: > Intel Corporation Device [8086:3ea0] (prog-if 00 [VGA controller]) > Subsystem: ASUSTeK Computer Inc. Device [1043:17d1] > InstallationDate: Installed on 2019-03-24 (0 days ago) > InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 > (20190210) > MachineType: ASUSTeK COMPUTER INC. ZenBook UX431FA > ProcEnviron: > TERM=xterm-256color > PATH=(custom, no user) > XDG_RUNTIME_DIR=<set> > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-16-generic > root=UUID=e6ae272a-49f0-491b-99b6-2a3785a7679e ro nomodeset vt.handoff=1 > SourcePackage: xorg > Symptom: display > UpgradeStatus: No upgrade log present (probably fresh install) > dmi.bios.date: 12/14/2018 > dmi.bios.vendor: American Megatrends Inc. > dmi.bios.version: UX431FA.205 > dmi.board.asset.tag: ATN12345678901234567 > dmi.board.name: UX431FA > dmi.board.vendor: ASUSTeK COMPUTER INC. > dmi.board.version: 1.0 > dmi.chassis.asset.tag: No Asset Tag > dmi.chassis.type: 10 > dmi.chassis.vendor: ASUSTeK COMPUTER INC. > dmi.chassis.version: 1.0 > dmi.modalias: > dmi:bvnAmericanMegatrendsInc.:bvrUX431FA.205:bd12/14/2018:svnASUSTeKCOMPUTERINC.:pnZenBookUX431FA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX431FA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: > dmi.product.family: ZenBook > dmi.product.name: ZenBook UX431FA > dmi.product.version: 1.0 > dmi.sys.vendor: ASUSTeK COMPUTER INC. > version.compiz: compiz N/A > version.libdrm2: libdrm2 2.4.95-1~18.04.1 > version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.8-0ubuntu0~18.04.2 > version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.8-0ubuntu0~18.04.2 > version.xserver-xorg-core: xserver-xorg-core N/A > version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A > version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A > version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A > version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1821533/+subscriptions > -- James Parris Fmr. Staff Sergeant, U.S. Army Grovetown, GA Cell: (334)294-4932 "Two things are infinite: the universe and human stupidity; and I'm not completely sure about the former." - Albert Einstein -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1821533 Title: drm fails to accept edid version 2.4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1821533/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
