> Even though those nvram devices are fragile and can only stomach a
> limited amount of writes, wouldn't it be a nifty feature to have a
> kernel cmdline param of the sort "put_dmesg_in_nvram_this_one_time_only"
> which logs to nvram only once for debugging purposes.
Speed is also a factor ... waiting for flash to update for each printk()
would mess up timing so much that you might not see the problem
you are chasing.
A better EFI trick for this would be "capsules". They live in regular RAM
and BIOS firmware does stuff with them at warm reset time. Matt has
been looking at them - but BIOS support for them seems sketchy to none
right now.
-Tony
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