Date: Fri, 11 Apr 2014 19:27:30 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Hans Petter Selasky <hps@selasky.org> Cc: freebsd-usb@freebsd.org Subject: Re: USB 3 devices not reliably connecting at 5Gbps Message-ID: <10D8152C-0013-46CD-B1CF-6A5BA41D1B3A@gsoft.com.au> In-Reply-To: <5347A7C2.9000704@selasky.org> References: <A9616810-7BD9-49FC-BFA7-44206E4CCAC1@gsoft.com.au> <53478D5B.3090205@selasky.org> <ACC91511-A630-4262-AFE4-441AA154E405@gsoft.com.au> <5347A7C2.9000704@selasky.org>
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--Apple-Mail=_E61A1D79-7AD8-4CD6-AC0C-6C31671DB9BC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 11 Apr 2014, at 17:58, Hans Petter Selasky <hps@selasky.org> wrote: > On 04/11/14 09:29, Daniel O'Connor wrote: >>=20 >> On 11 Apr 2014, at 16:06, Hans Petter Selasky <hps@selasky.org> = wrote: >> Finally, I ran systat -vmstat 1 while running the test and I see 4000 = IRQ/sec on the xhci device, not 8000 as your comment above would = suggest. >=20 > Looks like a bug there. Can you try this patch: >=20 > http://svnweb.freebsd.org/changeset/base/264340 That gives a definite improvement to 187MB/sec, thanks! -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --Apple-Mail=_E61A1D79-7AD8-4CD6-AC0C-6C31671DB9BC Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iD8DBQFTR7yK5ZPcIHs/zowRAt88AJ9UyDJ0m+82/H9CBn+HGohcBE2reQCbB2wG hdA/mS0JbNyqlk6zp58V+AU= =byT1 -----END PGP SIGNATURE----- --Apple-Mail=_E61A1D79-7AD8-4CD6-AC0C-6C31671DB9BC--
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