[Bug 569031] Re: swapon read swap header failed

[Scott James Remnant]

Curious, that finds the header just fine - I guess your swap has been
corrupted by a bad hibernation or something.

Could you try:

sudo mkswap /dev/sdb3

And then reboot - does the error go away?

-- 
swapon read swap header failed
https://bugs.launchpad.net/bugs/569031
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