Re: Resume from Suspend to RAM

Stefan Dösinger
2005-06-05T17:32:08Z

Hi,

> (1) and (2) are easily fixable. (3) is ridiculously hard. Does anyone
> have any ideas how it can be debugged? I've got one machine here that
> shows this behaviour (immediate reboot) and access to another (hangs on
> resume, never seems to run any kernel code)
I've no idea how to debug a reboot, but if the system hangs it's possible to
add "lcall $0xffff,$0" early in the wakeup assembler code. If the system
reboots immediatly then, the kernels wakeup code was reached and the kernel
hangs later during resume.

Is it somehow possible to localize and debug the BIOS code?

Stefan

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