** Description changed: + [Impact] + peripheral probe failure + + [Fix] + Compare to generic kernel config for arm64 + file: arch/arm64/configs/defconfig + The following settings should be enabled "built-in" in generic kernel settings. + + CONFIG_REGULATOR_MT6357=y + CONFIG_REGULATOR_MT6358=y + CONFIG_REGULATOR_MT6359=y + CONFIG_REGULATOR_MT6360=y + CONFIG_REGULATOR_MT6397=y + + [Test] 1. u-boot: [2023-04-26 14:34:28.294] run distro_bootcmd 2. disable silent mode in grub menu [2023-04-26 14:34:42.196] GNU GRUB version 2.06 3. boot to Linux [2023-04-26 14:35:09.115] [ 0.000000] Linux version 6.2.0-18-generic (buildd@bos02-arm64-039) (aarch64-linux-gnu-gcc-12 (Ubuntu 12.2.0-17ubuntu1) 12.2.0, GNU ld (GNU Binutils for Ubuntu) 2.40) #18-Ubuntu SMP PREEMPT_DYNAMIC Sun Mar 19 19:49:50 UTC 2023 (Ubuntu 6.2.0-18.18-generic 6.2.6) [2023-04-26 14:35:09.115] [ 0.000000] Machine model: MediaTek MT8195 demo board 4. lots of error and driver probing deffered. USB, Ethernet, MMC and multimedia interfaces. Ex: [2023-04-26 14:35:22.624] [ 13.808645] platform 1c014000.merge0: deferred probe pending 5. No ethernet and U-disk could be found [2023-04-26 14:36:15.548] Unable to find a medium containing a live file system [2023-04-26 14:36:15.548] Attempt interactive netboot from a URL? [2023-04-26 14:36:15.548] yes no (default yes): no [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] BusyBox v1.35.0 (Ubuntu 1:1.35.0-4ubuntu1) built-in shell (ash) [2023-04-26 14:36:21.432] Enter 'help' for a list of built-in commands. [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] (initramfs) Unable to find a medium containing a live file system + [Where problems could occur] - 6. solution: - Compare to generic kernel config for arm64 - file: arch/arm64/configs/defconfig - The following settings should be enabled "built-in" in generic kernel settings. - - CONFIG_REGULATOR_MT6357=y - CONFIG_REGULATOR_MT6358=y - CONFIG_REGULATOR_MT6359=y - CONFIG_REGULATOR_MT6360=y - CONFIG_REGULATOR_MT6397=y - - 7. effected kernel (5.19~latest) + [Other info] + effected kernel (5.19~latest) ubuntu kernel for lunar, Kinetic, and Mantic.
-- 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/2035591 Title: [Mediatek] mt8195-demo: Fix regulator kernel setting are missing: causes peripheral probe failure for linux (include installer) Status in linux package in Ubuntu: Confirmed Status in linux source package in Lunar: New Status in linux source package in Mantic: Confirmed Bug description: [Impact] peripheral probe failure [Fix] Compare to generic kernel config for arm64 file: arch/arm64/configs/defconfig The following settings should be enabled "built-in" in generic kernel settings. CONFIG_REGULATOR_MT6357=y CONFIG_REGULATOR_MT6358=y CONFIG_REGULATOR_MT6359=y CONFIG_REGULATOR_MT6360=y CONFIG_REGULATOR_MT6397=y [Test] 1. u-boot: [2023-04-26 14:34:28.294] run distro_bootcmd 2. disable silent mode in grub menu [2023-04-26 14:34:42.196] GNU GRUB version 2.06 3. boot to Linux [2023-04-26 14:35:09.115] [ 0.000000] Linux version 6.2.0-18-generic (buildd@bos02-arm64-039) (aarch64-linux-gnu-gcc-12 (Ubuntu 12.2.0-17ubuntu1) 12.2.0, GNU ld (GNU Binutils for Ubuntu) 2.40) #18-Ubuntu SMP PREEMPT_DYNAMIC Sun Mar 19 19:49:50 UTC 2023 (Ubuntu 6.2.0-18.18-generic 6.2.6) [2023-04-26 14:35:09.115] [ 0.000000] Machine model: MediaTek MT8195 demo board 4. lots of error and driver probing deffered. USB, Ethernet, MMC and multimedia interfaces. Ex: [2023-04-26 14:35:22.624] [ 13.808645] platform 1c014000.merge0: deferred probe pending 5. No ethernet and U-disk could be found [2023-04-26 14:36:15.548] Unable to find a medium containing a live file system [2023-04-26 14:36:15.548] Attempt interactive netboot from a URL? [2023-04-26 14:36:15.548] yes no (default yes): no [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] BusyBox v1.35.0 (Ubuntu 1:1.35.0-4ubuntu1) built-in shell (ash) [2023-04-26 14:36:21.432] Enter 'help' for a list of built-in commands. [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] (initramfs) Unable to find a medium containing a live file system [Where problems could occur] [Other info] effected kernel (5.19~latest) ubuntu kernel for lunar, Kinetic, and Mantic. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2035591/+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
