Date: Tue, 17 Sep 2013 10:43:25 +0200 From: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> To: Hans Petter Selasky <hans.petter.selasky@bitfrost.no> Cc: "lev@FreeBSD.org" <lev@freebsd.org>, FreeBSD Stable <freebsd-stable@freebsd.org>, "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org> Subject: Re: umcs (4-Port-USB-serial) triggering way too much ehci IRQs Message-ID: <5238162D.1090901@omnilan.de> In-Reply-To: <zarafa.5237e529.2bc6.08fde6eb34c27a87@mail.lockless.no> References: <52372DBA.6020703@omnilan.de> <zarafa.5237e529.2bc6.08fde6eb34c27a87@mail.lockless.no>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig5173D5AAC6721FC1722D7ACE Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Bez=C3=BCglich Hans Petter Selasky's Nachricht vom 17.09.2013 07:14 (localtime): > Hi, > > Check using usbdump -i usbusX -f Y -s 65536 -vvv > > what is going on. Maybe some USB transfers are returning zero length da= ta from the chip. Thanks for your help! I can't really read the numbers, but these 4 actions look all the time, whe no connection is open: 08:39:19.889658 usbus1.4 SUBM-INTR-EP=3D00000089,SPD=3DHIGH,NFR=3D1,SLEN=3D= 0,IVAL=3D2 frame[0] READ 16 bytes flags 0xa <SHORT_XFER_OK|PIPE_BOF|0> status 0xcb023 <OPEN|TRANSFERRING|STARTED|SHORT_XFER_OK|BDMA_ENABLE|BDMA_SETUP|CAN_CANCE= L_IMMED|DOING_CALLBACK|0> 08:39:19.891655 usbus1.4 DONE-INTR-EP=3D00000089,SPD=3DHIGH,NFR=3D1,SLEN=3D8,IVAL=3D2,ERR=3D0 frame[0] READ 5 bytes 0000 C1 C1 C1 01 55 -- -- -- -- -- -- -- -- -- -- -- |....U = | flags 0xa <SHORT_XFER_OK|PIPE_BOF|0> status 0xeb021 <OPEN|STARTED|SHORT_XFER_OK|BDMA_ENABLE|BDMA_SETUP|CURR_DMA_SET|CAN_CANCE= L_IMMED|DOING_CALLBACK|0> 08:39:19.891658 usbus1.4 SUBM-INTR-EP=3D00000089,SPD=3DHIGH,NFR=3D1,SLEN=3D= 0,IVAL=3D2 frame[0] READ 16 bytes flags 0xa <SHORT_XFER_OK|PIPE_BOF|0> status 0xeb023 <OPEN|TRANSFERRING|STARTED|SHORT_XFER_OK|BDMA_ENABLE|BDMA_SETUP|CURR_DMA_= SET|CAN_CANCEL_IMMED|DOING_CALLBACK|0> 08:39:19.893656 usbus1.4 DONE-INTR-EP=3D00000089,SPD=3DHIGH,NFR=3D1,SLEN=3D8,IVAL=3D2,ERR=3D0 frame[0] READ 5 bytes 0000 C1 C1 C1 01 55 -- -- -- -- -- -- -- -- -- -- -- |....U = | flags 0xa <SHORT_XFER_OK|PIPE_BOF|0> status 0xcb021 <OPEN|STARTED|SHORT_XFER_OK|BDMA_ENABLE|BDMA_SETUP|CAN_CANCEL_IMMED|DOING= _CALLBACK|0> Thanks, -Harry --------------enig5173D5AAC6721FC1722D7ACE Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAlI4Fi0ACgkQLDqVQ9VXb8gbQwCdH8yS3AbxHEUuxMfNF6m/C0+Q +7MAnA6SLl1wiJf7aokpGLdTXAhpgJle =DR7P -----END PGP SIGNATURE----- --------------enig5173D5AAC6721FC1722D7ACE--
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