Date: Sun, 21 Sep 2014 19:04:42 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Denny Lin <dennylin93@hs.ntnu.edu.tw>, freebsd-usb@freebsd.org Subject: Re: USB device repeatedly disconnected Message-ID: <541F052A.7000301@selasky.org> In-Reply-To: <20140921155951.GC3153@mail.hs.ntnu.edu.tw> References: <20140921155951.GC3153@mail.hs.ntnu.edu.tw>
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On 09/21/14 17:59, Denny Lin wrote: > Hi, > > I have a Texas Instruments OMAP4440 connected via a USB cable to my > laptop running FreeBSD 10.0-RELEASE amd64. > > This is the output of usbconfig -d 1.7 dump_device_desc: > ugen1.7: <OMAP4440 Texas Instruments> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON (100mA) > > bLength = 0x0012 > bDescriptorType = 0x0001 > bcdUSB = 0x0210 > bDeviceClass = 0x00ff > bDeviceSubClass = 0x00ff > bDeviceProtocol = 0x00ff > bMaxPacketSize0 = 0x0040 > idVendor = 0x0451 > idProduct = 0xd010 > bcdDevice = 0x0000 > iManufacturer = 0x0021 <Texas Instruments> > iProduct = 0x0025 <OMAP4440> > iSerialNumber = 0x0000 <no string> > bNumConfigurations = 0x0001 > > For some reason, it repeatedly disconnects: > ugen1.7: <Texas Instruments> at usbus1 (disconnected) > ugen1.7: <Texas Instruments> at usbus1 > ugen1.7: <Texas Instruments> at usbus1 (disconnected) > ugen1.7: <Texas Instruments> at usbus1 > ugen1.7: <Texas Instruments> at usbus1 (disconnected) > ugen1.7: <Texas Instruments> at usbus1 > > These messages also appear in /var/log/messages: > Sep 21 17:46:56 localhost kernel: ugen1.7: <Texas Instruments> at usbus1 > Sep 21 17:46:56 localhost devd: Executing 'env LD_PRELOAD=/usr/local/lib/libhal.so:/usr/local/lib/libdbus-1.so:/usr/local/lib/libcuse4bsd.so /usr/local/etc/rc.d/webcamd start ugen1.7' > Sep 21 17:46:56 localhost devd: Executing 'logger Unknown USB device: vendor 0x0451 product 0xd010 bus uhub3' > Sep 21 17:46:56 localhost root: Unknown USB device: vendor 0x0451 product 0xd010 bus uhub3 > Sep 21 17:46:59 localhost kernel: ugen1.7: <Texas Instruments> at usbus1 (disconnected) > Sep 21 17:47:00 localhost kernel: ugen1.7: <Texas Instruments> at usbus1 > Sep 21 17:47:00 localhost devd: Executing 'env LD_PRELOAD=/usr/local/lib/libhal.so:/usr/local/lib/libdbus-1.so:/usr/local/lib/libcuse4bsd.so /usr/local/etc/rc.d/webcamd start ugen1.7' > Sep 21 17:47:00 localhost devd: Executing 'logger Unknown USB device: vendor 0x0451 product 0xd010 bus uhub3' > Sep 21 17:47:00 localhost root: Unknown USB device: vendor 0x0451 product 0xd010 bus uhub3 > Sep 21 17:47:03 localhost kernel: ugen1.7: <Texas Instruments> at usbus1 (disconnected) > Sep 21 17:47:04 localhost kernel: ugen1.7: <Texas Instruments> at usbus1 > Sep 21 17:47:04 localhost devd: Executing 'env LD_PRELOAD=/usr/local/lib/libhal.so:/usr/local/lib/libdbus-1.so:/usr/local/lib/libcuse4bsd.so /usr/local/etc/rc.d/webcamd start ugen1.7' > > The problem seems similar to this one: https://www.mail-archive.com/freebsd-usb@freebsd.org/msg08372.html > > Would it be possible to fix this? Thanks. > Hi, You can try setting: hw.usb.no_cs_fail=1 Also run usbdump to capture the USB traffic. usbdump -i usbus1 -f 7 -vvv -s 65536 --HPS
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