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

[bugzilla-noreply at freebsd.org]

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

--- Comment #33 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
The delay of usbconfig usually means that the enumeration lock is blocked.

a) when a device driver in userspace is not closing its handle
b) when there are too many explore events from the USB HUB.

-- 
You are receiving this mail because:
You are the assignee for the bug.