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How to let devcoredump know data has been read?

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I have been testing ath10k on 4.16, which uses the devcoredump API
to notify about dumps.

I am able to see the binary crash dump at /sys/class/devcoredump/devcd2/data,
for instance, but if I do another crash quickly, I get no new uevent sent
and no new crash.

I see there is a 5 minute timer on the coredump data, but it also seems to indicate
that if I read the crash, the data should be cleared and ready to be
recreated again?  How do you notify the system that the crash data has
been read?

I tried 'cat' on the data file, but that did not seem to clear anything.

Thanks,
Ben

--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com




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