Public bug reported: Ubuntu 21.10 can NOT enter desktop after: 1) install Nvidia 470 2) blacklist nouveau driver
------------------ why blacklist nouveau? External HDMI monitor render 0.5 frames/second when turn off built-in monitor. Render normally if both build-in and external HDMI monitor are on. Blacklisting nouveau fix `0.5 frames/s` problem in Ubuntu 21.04, but cannot enter desktop in Ubuntu 21.10 ------------------- why not use Ubuntu 21.04 ? Ubuntu 21.04 render incorrectly, for example, if: 1) built-in monitor: scale=125%, resolution=4000x2000 2) external monitor: scale=100%, resulution=2000x1000 Ubuntu 21.10 render correctly. ----------- $ lspci 00:00.0 Host bridge: Intel Corporation Device 9b44 (rev 02) 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f99 (rev a1) 00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02) ... ** Affects: ubuntu Importance: Undecided Status: New ** Description changed: Ubuntu 21.10 can NOT enter desktop after: 1) install Nvidia 470 2) blacklisting nouveau driver ------------------ why blacklist nouveau? External HDMI monitor render 0.5 frames/second when turn off built-in monitor. Render normally if both build-in and external HDMI monitor are on. Blacklisting nouveau fix `0.5 frames/s` problem in Ubuntu 21.04, but cause system failture in Ubuntu 21.10 + + ----------- + ``` + $ lspci + 00:00.0 Host bridge: Intel Corporation Device 9b44 (rev 02) + 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05) + 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f99 (rev a1) + 00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02) + ... + ``` ** Description changed: Ubuntu 21.10 can NOT enter desktop after: 1) install Nvidia 470 2) blacklisting nouveau driver ------------------ why blacklist nouveau? External HDMI monitor render 0.5 frames/second when turn off built-in monitor. Render normally if both build-in and external HDMI monitor are on. Blacklisting nouveau fix `0.5 frames/s` problem in Ubuntu 21.04, but cause system failture in Ubuntu 21.10 ----------- - ``` $ lspci 00:00.0 Host bridge: Intel Corporation Device 9b44 (rev 02) 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f99 (rev a1) 00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02) ... - ``` ** Description changed: Ubuntu 21.10 can NOT enter desktop after: 1) install Nvidia 470 2) blacklisting nouveau driver ------------------ why blacklist nouveau? External HDMI monitor render 0.5 frames/second when turn off built-in monitor. Render normally if both build-in and external HDMI monitor are on. Blacklisting nouveau fix `0.5 frames/s` problem in Ubuntu 21.04, but cause system failture in Ubuntu 21.10 + ------------------- + + why not use Ubuntu 21.04 ? + + Ubuntu 21.04 render incorrectly, for example, if: + 1) built-in monitor: scale=125%, resolution=4000x2000 + 2) external monitor: scale=100%, resulution=2000x1000 + + Ubuntu 21.10 render correctly. + + ----------- $ lspci 00:00.0 Host bridge: Intel Corporation Device 9b44 (rev 02) 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f99 (rev a1) 00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02) ... ** Summary changed: - 21.10 blacklisting nouveau driver causes system failure + 21.10 cannot enter desktop after blacklist nouveau driver ** Description changed: Ubuntu 21.10 can NOT enter desktop after: 1) install Nvidia 470 - 2) blacklisting nouveau driver + 2) blacklist nouveau driver ------------------ why blacklist nouveau? External HDMI monitor render 0.5 frames/second when turn off built-in monitor. Render normally if both build-in and external HDMI monitor are on. Blacklisting nouveau fix `0.5 frames/s` problem in Ubuntu 21.04, but cause system failture in Ubuntu 21.10 ------------------- why not use Ubuntu 21.04 ? Ubuntu 21.04 render incorrectly, for example, if: 1) built-in monitor: scale=125%, resolution=4000x2000 2) external monitor: scale=100%, resulution=2000x1000 Ubuntu 21.10 render correctly. - ----------- $ lspci 00:00.0 Host bridge: Intel Corporation Device 9b44 (rev 02) 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f99 (rev a1) 00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02) ... ** Description changed: Ubuntu 21.10 can NOT enter desktop after: 1) install Nvidia 470 2) blacklist nouveau driver ------------------ why blacklist nouveau? External HDMI monitor render 0.5 frames/second when turn off built-in monitor. Render normally if both build-in and external HDMI monitor are on. Blacklisting nouveau fix `0.5 frames/s` problem in Ubuntu 21.04, but - cause system failture in Ubuntu 21.10 + cannot enter desktop in Ubuntu 21.10 ------------------- why not use Ubuntu 21.04 ? Ubuntu 21.04 render incorrectly, for example, if: 1) built-in monitor: scale=125%, resolution=4000x2000 2) external monitor: scale=100%, resulution=2000x1000 Ubuntu 21.10 render correctly. ----------- $ lspci 00:00.0 Host bridge: Intel Corporation Device 9b44 (rev 02) 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f99 (rev a1) 00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02) ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1955965 Title: 21.10 cannot enter desktop after blacklist nouveau driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1955965/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs