Date: Thu, 15 Mar 2012 23:06:40 +0100 From: Holm Tiffe <holm@freibergnet.de> To: freebsd-usb@freebsd.org Subject: Re: USB UHCI Problems on 8-Stable Message-ID: <20120315220640.GB96051@beast.freibergnet.de>
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>> Hi, >> >> For some time I had problems with my Cam (Olympus FE-230), it wouldn't get >> recognized again after unplugging it from the USB Connector. >> >> Now I have a very similar Problem while trying to get an J-Link V8 >> compatible Jtag debugger working in conjunction with openocd. >> Maybe there are bugs in openocd, but the bigger ones seems to be in >> FreeBSDs USB drivers. >> >> In the meantime I've cvs-supped to 8.3PRERELEASE (yesterday) built world >> and kernel. I've commented the ?hci drivers out of the kernel config and >> set USB_DEBUG. >> >> >> At fist please Cc me, I'm not on freebsd-usb. >> >> After Loading the uhci module: > >Hi, > >Could you log the USB traffic on the UHCI controller using usbdump ? > >It would be interesting to see what is going on. > >Have you tried using an external High-Speed HUB? > >--HPS > Here is the dump: http://www.tiffe.de/other/usbus1.dump This is connecting the J-link, starting openocd twice, removing and reconnecting the J-link followed by a kldunload uhci. Can't provide a dump while kldloading since usbdump stops when the driver is unloaded. I have no Highspeedr-Hub so this was a direct connect. Results are the same regardless whcih interface is used. Regards, Holm -- Technik Service u. Handel Tiffe, www.tsht.de, Holm Tiffe, Freiberger Straße 42, 09600 Oberschöna, USt-Id: DE253710583 www.tsht.de, info@tsht.de, Fax +49 3731 74200, Mobil: 0172 8790 741
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