Adric Norris, to keep this relevant to upstream, one would want to periodically check for, and test the latest mainline kernel (now 4.9) as it is released.
Could you please advise? ** Description changed: A fresh install of Ubuntu Gnome 16.04 on an Asus ZenBook UX501VW hangs during boot, approximately 80% to 90% of the time... occasionally it - manages to complete the startup for no discrenable reason, at which + manages to complete the startup for no discernible reason, at which point the fan will run at full speed nonstop (very loud) until the machine is powered down. Due to the information from <https://marclewis.com/2016/04/25/installing-ubuntu-16-04-lts-on-asus- zenbook-ux501vw/>, I installed the wily 4.3.5 kernel (replacing 4.4.0) from <http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.3.5-wily/>, which - appears to work perfectly... no bootup hangs or odd fan behaviour + appears to work perfectly... no bootup hangs or odd fan behavior. The hang occurs shortly after providing the disk decryption key (I opted for full-disk encryption during installation). The issue occurs frequently when booting Ubuntu Gnome from a flash drive using "try before installation" mode, however, so I'm confident that it's not actually encryption related. I am *not* using any proprietary drivers (no nvidia, etc.). + WORKAROUND: Use kernel parameter: + nouveau.modeset=0 + ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-21-generic 4.4.0-21.37 [modified: boot/vmlinuz-4.4.0-21-generic] ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: adric 1574 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: adric 1574 F.... pulseaudio CurrentDesktop: GNOME Date: Tue Apr 26 19:19:26 2016 HibernationDevice: RESUME=UUID=74c52e77-74c8-49d1-843b-23584516bd07 InstallationDate: Installed on 2016-04-26 (0 days ago) InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421) MachineType: ASUSTeK COMPUTER INC. N501VW ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=en_US.UTF-8 - SHELL=/bin/bash + TERM=xterm-256color + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-21-generic.efi.signed root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash RelatedPackageVersions: - linux-restricted-modules-4.4.0-21-generic N/A - linux-backports-modules-4.4.0-21-generic N/A - linux-firmware 1.157 + linux-restricted-modules-4.4.0-21-generic N/A + linux-backports-modules-4.4.0-21-generic N/A + linux-firmware 1.157 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/03/2016 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: N501VW.206 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: N501VW 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.:bvrN501VW.206:bd02/03/2016:svnASUSTeKCOMPUTERINC.:pnN501VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN501VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: N501VW dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. ** Tags removed: bios-outdated-300 ** Tags added: bios-outdated-304 ** Tags removed: kernel-bug-exists-upstream ** Tags added: kernel-bug-exists-upstream-4.7-rc2 needs-upstream-testing -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1575437 Title: Asus ZenBook UX501VW frequently hangs during boot under Ubuntu 16.04 Status in linux package in Ubuntu: Incomplete Bug description: A fresh install of Ubuntu Gnome 16.04 on an Asus ZenBook UX501VW hangs during boot, approximately 80% to 90% of the time... occasionally it manages to complete the startup for no discernible reason, at which point the fan will run at full speed nonstop (very loud) until the machine is powered down. Due to the information from <https://marclewis.com/2016/04/25/installing-ubuntu-16-04-lts-on-asus- zenbook-ux501vw/>, I installed the wily 4.3.5 kernel (replacing 4.4.0) from <http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.3.5-wily/>, which appears to work perfectly... no bootup hangs or odd fan behavior. The hang occurs shortly after providing the disk decryption key (I opted for full-disk encryption during installation). The issue occurs frequently when booting Ubuntu Gnome from a flash drive using "try before installation" mode, however, so I'm confident that it's not actually encryption related. I am *not* using any proprietary drivers (no nvidia, etc.). WORKAROUND: Use kernel parameter: nouveau.modeset=0 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-21-generic 4.4.0-21.37 [modified: boot/vmlinuz-4.4.0-21-generic] ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: adric 1574 F.... pulseaudio CurrentDesktop: GNOME Date: Tue Apr 26 19:19:26 2016 HibernationDevice: RESUME=UUID=74c52e77-74c8-49d1-843b-23584516bd07 InstallationDate: Installed on 2016-04-26 (0 days ago) InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421) MachineType: ASUSTeK COMPUTER INC. N501VW ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-21-generic.efi.signed root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash RelatedPackageVersions: linux-restricted-modules-4.4.0-21-generic N/A linux-backports-modules-4.4.0-21-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/03/2016 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: N501VW.206 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: N501VW 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.:bvrN501VW.206:bd02/03/2016:svnASUSTeKCOMPUTERINC.:pnN501VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN501VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: N501VW dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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