** Description changed: As per LP: #1942307 we now set on-demand as the default. This however, causes "prime-select on-demand", called by ubuntu-drivers, not to even try to detect RTD3 and to enable it, since "on-demand" is already set. We cannot make informed choices about RTD3 in the postinstallation script of nvidia-prime, therefore we should simply drop the check that prime-select makes to abort if the new profile is determined to be the same as the current profile. --- [Impact] * Ubuntu will set GPU mode to performance as default which may use more power * User can't use GPU for other purpose (eg: deep-learning) if RTD3 is not supported * According to Nvidia README, the RTD3 doesn't support on non-laptop machine [Test Plan] - * Install 20.04.3 with "Third-party packages". After the installation, reboot the system. Execute "prime-select query" should get "on-demand" + * Install Ubuntu, and then execute 'ubuntu-drivers install' to install GPU driver. After the installation, reboot the system. Execute "prime-select query" should get "on-demand" * On non-laptop machine. Can set GPU mode to on-demand * On laptop with GPU in runtime PM support list. Set GPU mode to on-demand and Nvidia driver is loaded with "NVreg_DynamicPowerManagement=0x02" [Where problems could occur] * on-demand mode supported after nvidia driver 450. And focal does not have nvidia driver lower than 450. * With GPU supported RTD3 not able enable runtime PM on non-laptop. But based on the Nvidia README, this case shall not happened. [Other Info] X-HWE-Bug: Bug #1946434 Changelogs: nvidia-prime (0.8.16~0.20.04.2) focal; urgency=medium [ Jeremy Szu ] * Set on-demand mode as default nvidia mode (LP: #1942307) [ Alberto Milone ] * prime-select: - Detect chassis type and enable RTD3 only on laptops (LP: #1942788). - on-demand mode doesn't need to depend on RTD3 (LP: #1942789). - Use bootvga detection when last_gfx_boot is not available. - Don't check the current profile when setting a profile (LP: #1946476). - Catch BrokenPipeError. - Use bootvga detection when last_gfx_boot is not available. nvidia-prime (0.8.16.2~0.21.04.1) hirsute; urgency=medium [ Jeremy Szu ] * Set on-demand mode as default nvidia mode (LP: #1942307) [ Alberto Milone ] * prime-select: - Detect chassis type and enable RTD3 only on laptops (LP: #1942788). - on-demand mode doesn't need to depend on RTD3 (LP: #1942789). - Use bootvga detection when last_gfx_boot is not available. - Don't check the current profile when setting a profile (LP: #1946476).
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-prime in Ubuntu. https://bugs.launchpad.net/bugs/1946476 Title: New on-demand default causes RTD3 never to be enabled Status in OEM Priority Project: New Status in nvidia-prime package in Ubuntu: Fix Released Status in nvidia-prime source package in Focal: Incomplete Status in nvidia-prime source package in Hirsute: Incomplete Status in nvidia-prime source package in Impish: Fix Released Bug description: As per LP: #1942307 we now set on-demand as the default. This however, causes "prime-select on-demand", called by ubuntu-drivers, not to even try to detect RTD3 and to enable it, since "on-demand" is already set. We cannot make informed choices about RTD3 in the postinstallation script of nvidia-prime, therefore we should simply drop the check that prime-select makes to abort if the new profile is determined to be the same as the current profile. --- [Impact] * Ubuntu will set GPU mode to performance as default which may use more power * User can't use GPU for other purpose (eg: deep-learning) if RTD3 is not supported * According to Nvidia README, the RTD3 doesn't support on non-laptop machine [Test Plan] * Install Ubuntu, and then execute 'ubuntu-drivers install' to install GPU driver. After the installation, reboot the system. Execute "prime-select query" should get "on-demand" * On non-laptop machine. Can set GPU mode to on-demand * On laptop with GPU in runtime PM support list. Set GPU mode to on-demand and Nvidia driver is loaded with "NVreg_DynamicPowerManagement=0x02" [Where problems could occur] * on-demand mode supported after nvidia driver 450. And focal does not have nvidia driver lower than 450. * With GPU supported RTD3 not able enable runtime PM on non-laptop. But based on the Nvidia README, this case shall not happened. [Other Info] X-HWE-Bug: Bug #1946434 Changelogs: nvidia-prime (0.8.16~0.20.04.2) focal; urgency=medium [ Jeremy Szu ] * Set on-demand mode as default nvidia mode (LP: #1942307) [ Alberto Milone ] * prime-select: - Detect chassis type and enable RTD3 only on laptops (LP: #1942788). - on-demand mode doesn't need to depend on RTD3 (LP: #1942789). - Use bootvga detection when last_gfx_boot is not available. - Don't check the current profile when setting a profile (LP: #1946476). - Catch BrokenPipeError. - Use bootvga detection when last_gfx_boot is not available. nvidia-prime (0.8.16.2~0.21.04.1) hirsute; urgency=medium [ Jeremy Szu ] * Set on-demand mode as default nvidia mode (LP: #1942307) [ Alberto Milone ] * prime-select: - Detect chassis type and enable RTD3 only on laptops (LP: #1942788). - on-demand mode doesn't need to depend on RTD3 (LP: #1942789). - Use bootvga detection when last_gfx_boot is not available. - Don't check the current profile when setting a profile (LP: #1946476). To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1946476/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
