Date: Wed, 11 Nov 2015 09:36:52 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Alfred Perlstein <alfred@freebsd.org>, usb@freebsd.org Subject: Re: usb modem "Can't setup transfer" Message-ID: <5642FE24.4050408@selasky.org> In-Reply-To: <5642B7E4.505@freebsd.org> References: <5642B7E4.505@freebsd.org>
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On 11/11/15 04:37, Alfred Perlstein wrote: > Hello, > > A friend gave me a usb modem recently. The model is: > Multi-Tech Systems - Multi-Modem USB - MT5634ZBA > > The Linux driver info is here: > ftp://ftp.multitech.com/usb/usb-linux2.txt > > When I plug this device into FreeBSD I get a ugen0 device. > > So I tried hacking into the driver itself: > > diff --git a/sys/dev/usb/serial/umodem.c b/sys/dev/usb/serial/umodem.c > index c1e8812..9886294 100644 > --- a/sys/dev/usb/serial/umodem.c > +++ b/sys/dev/usb/serial/umodem.c > @@ -136,6 +136,7 @@ static const STRUCT_USB_HOST_ID umodem_host_devs[] = { > {USB_VPI(USB_VENDOR_KYOCERA, USB_PRODUCT_KYOCERA_AHK3001V, 1)}, > {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720, 1)}, > {USB_VPI(USB_VENDOR_CURITEL, USB_PRODUCT_CURITEL_PC5740, 1)}, > + {USB_VP(0x06e0, 0xf107)}, > }; > > /* > > > Now I get the following: > > Nov 10 19:19:54 spigot kernel: ugen3.3: <Multi-Tech Systems, Inc.> at > usbus3 > Nov 10 19:19:54 spigot kernel: umodem0: <Multi-Tech Win95 Modem USB> on > usbus3 > Nov 10 19:19:54 spigot kernel: umodem0: data interface 1, has CM over > data, has no break > Nov 10 19:19:54 spigot kernel: umodem0: Can't setup transfer > Nov 10 19:19:54 spigot kernel: device_attach: umodem0 attach returned 6 > > I read the Linux driver and it seems pretty similar, although it does > look like they have a ton more quirks and edge cases the handle. The > file in Linux I'm looking at is: linux/drivers/usb/class/cdc-acm.c (this > seems to make the most sense given the instructions given at > ftp://ftp.multitech.com/usb/usb-linux2.txt). > > I tried turning on sysctl hw.usb.debug=10 however after doing so it > didn't seem to want to probe anymore. > > Any ideas? > > I can ship this modem to someone if they are interested and have a good > idea how to fix. Hi, Can you send the configuration descriptor dump: usbconfig -d X.Y dump_device_desc dump_curr_config_desc Maybe the modem fits into the U3G driver. --HPS
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