Verified the 1.178.6 on disco, the sof/sof-cnl.ri is reverted. Verified the 1.183.2 on eoan, the sof/sof-cnl.ri is reverted.
** Tags added: verification-done-bionic verification-done-disco verification-done-eoan -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1850739 Title: Revert the firmware update for sound/sof Status in linux-firmware package in Ubuntu: Confirmed Status in linux-firmware source package in Bionic: Fix Committed Status in linux-firmware source package in Disco: Fix Committed Status in linux-firmware source package in Eoan: Fix Committed Bug description: SRU Justification Impact: An update to the sound sof firmware does not set the PV bit for cometlake, and thus will not load. This is a regression on cometlake platforms. Fix: Revert the update. Test Case: Check that the firmware will load on affected platforms. Regression Potential: This fixes a regression on cometlake paltforms, but will regress the platforms fixed by the patch being reverted. --- I submitted a firmware update for sound/sof, the tracking bug number is: https://bugs.launchpad.net/bugs/1847250 Recently we found this update introduced one problem for cometlake platforms, cometlake need to check PV bit when loading the firmware, but this update doesn't set the PV bit for cometlake, as a result, on cometlake platforms, it always fails to load the firmware. So we should revert this update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1850739/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
