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

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu May 11 11:41:05 UTC 2017


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

Hans Petter Selasky <hselasky at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |hselasky at FreeBSD.org

--- Comment #2 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
The IOCTLs might be slow if another device is failing enumeration. Please check
dmesg.

The output from "procstat -ak" might also be useful.

--HPS

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