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In some rare cases, a watchdog driver might neither be able to change the watchdog timeout value, nor read it from the hardware at runtime. With an otherwise functional watchdog setup, this constellation worked until systemd v249. Since then, systemd ends up ignoring the timeout defined by the system.conf and rather uses USEC_INFINITY. Consequently, the watchdog is not pinged anymore and eventually resets the system. We therefore want to ensure that the system keeps running with the originally configured timeout.
System and Service Manager
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