[ipxe-devel] BootServices watchdog timer disable

Michael Brown mbrown at fensystems.co.uk
Wed Jul 4 11:35:31 UTC 2012

On Tuesday 03 Jul 2012 04:36:52 Bradley B Williams wrote:
> The UEFI spec calls out that the Boot Services will start a 5 minute
> reset watchdog timer. On the Dell M620 I am using this causes the ^B
> breakout to iPXE shell to only be available for about 5 minutes. I have
> not studied the iPXE tree enough to know the proper placement of this
> code in the "shell", but if this call could be added to the shell's
> init() it would help extend my debug time. The code would use the
> BootServices table to call like: bs->SetWatchdogTimer(0,0,0,0);

This feels like something that ought to be a separate command to explicitly 
disable the watchdog timer.  Users could plausibly want to access this 
functionality within a script.


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