Closing lunar as invalid. This has nothing to do with the 'lunar'
package, and if the intention is to fix in the Lunar series, it should
no longer be needed and we should target for newer releases.
** Changed in: lunar (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/2036577
Title:
[Mediatek] mt8195-demo: Fix hardware watchdog reset at boot time
around 10 sec.
Status in linux package in Ubuntu:
Incomplete
Status in lunar package in Ubuntu:
Invalid
Bug description:
[Impact]
hardware reset during boot time.
[Fix]
Compare to generic kernel config for arm64
file: arch/arm64/configs/defconfig
The CONFIG_MEDIATEK_WATCHDOG should be enabled "built-in" in generic kernel
settings.
CONFIG_MEDIATEK_WATCHDOG=y
I've discovered that the module mtk_wdt.ko (CONFIG_MEDIATEK_WATCHDOG)
must be set as built-in to prevent the system from encountering a
hardware reset during the boot process. I've tried building it as a
module and installing it into initrd, and I've also attempted to set
softdep for it. However, I still can't find it being probed in the
initcall debug dump. The system also reboots around 10 seconds into
the boot time. After setting CONFIG_MEDIATEK_WATCHDOG=y, the hardware
reset issue was resolved and the system was able to boot into the
console.
[Other info]
effected kernel (5.19~latest)
ubuntu kernel for lunar, Kinetic, and Mantic.
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