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Date:      Thu, 11 May 2017 12:14:21 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-usb@FreeBSD.org
Subject:   [Bug 219220] syscalls (ioctls) on USB devices are very slow
Message-ID:  <bug-219220-17-h1gxpXMASz@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-219220-17@https.bugs.freebsd.org/bugzilla/>
References:  <bug-219220-17@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219220

--- Comment #7 from Matthias Apitz <guru@unixarea.de> ---

root@c720-r314251:~ # usbdump -i usbus1
14:13:00.912954 usbus1.2
DONE-CTRL-EP=3D00000080,SPD=3DHIGH,NFR=3D0,SLEN=3D0,IVAL=3D0,ERR=3DTIMEOUT
14:13:00.979775 usbus1.2 SUBM-CTRL-EP=3D00000080,SPD=3DHIGH,NFR=3D2,SLEN=3D=
8,IVAL=3D0
14:13:05.875133 usbus1.2
DONE-CTRL-EP=3D00000080,SPD=3DHIGH,NFR=3D0,SLEN=3D0,IVAL=3D0,ERR=3DTIMEOUT
14:13:05.938475 usbus1.2 SUBM-CTRL-EP=3D00000080,SPD=3DHIGH,NFR=3D2,SLEN=3D=
8,IVAL=3D0
14:13:10.840123 usbus1.2
DONE-CTRL-EP=3D00000080,SPD=3DHIGH,NFR=3D0,SLEN=3D0,IVAL=3D0,ERR=3DTIMEOUT
14:13:10.903602 usbus1.2 SUBM-CTRL-EP=3D00000080,SPD=3DHIGH,NFR=3D2,SLEN=3D=
8,IVAL=3D0
^C
6 packets captured
6 packets received by filter
0 packets dropped by kernel

root@c720-r314251:~ # usbdump -i usbus0

(hangs for ever)

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