[Bug 219220] syscalls (ioctls) on USB devices are very slow

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu May 18 16:39:33 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219220

--- Comment #31 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
This sounds like a bug in a user-space daemon which doesn't close its USB
handles to the kernel. Can you also run "procstat -ak" when usbconfig doesn't
print the device lines instantly.

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