Hmm.
I have a nice new laptop, and it works fine. Except today it lost
wireless, and I have no idea why.
It's not happened before (but it's fairly new and I'm actually on my
first trip with it), so I don't know how common this is, but the
kernel messages seem to say that the cause of it was
ath10k_pci 0000:02:00.0: wmi service ready event not received
ath10k_pci 0000:02:00.0: could not init core (-110)
ath10k_pci 0000:02:00.0: could not probe fw (-110)
and then nothing works. -110 is ETIMEDOUT, fwiw.
Rebooting got wireless back. It's possible I could have done something
less drastic, but I was thinking that it would be the new kernel and
rebooted into an older version. But then rebooting into the new one
afterwards (double-checking before starting a bisect) and it all
worked.
Is there anything I can do to debug this if it happens again?
Linus
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