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Re: USB umass hard drive "failed to create xfers" when attaching

On Mon, 17 Feb 2020, Michael van Elst wrote: (Paul Goyette) writes:

So, sounds like "something somewhere isn't quite right (tm)".  I would
have expected a memory allocation failure to automatically trigger some
mechanism to reclaim some of the file cache...

It's not the file cache. Freeing the file cache however also cleans up
other data structures in KVA space and that helps. Something that almost
always helps is to reduce the value of the kernel variable desiredvnodes
(you may restore it a few seconds later).

Would that be ``sysctl kern.maxvnodes'' or some other variable?

Since free memory is not the problem, none of this is triggered

Got it.

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