Date: Mon, 10 Mar 2014 07:47:31 +0000 From: Alexey Dokuchaev <danfe@FreeBSD.org> To: Kevin Lo <kevlo@FreeBSD.org> Cc: "Julian H. Stacey" <jhs@berklix.com>, Alfred Perlstein <bright@mu.org>, Rui Paulo <rpaulo@FreeBSD.org>, "freebsd-current@freebsd.org bsd" <freebsd-current@freebsd.org> Subject: Re: urtwn driver for Edimax EW-7811U WLAN nano USB Adapter Message-ID: <20140310074731.GA55224@FreeBSD.org> In-Reply-To: <531D6C9C.7010607@FreeBSD.org> References: <201310081742.r98HfbBV055077@fire.js.berklix.net> <589BAB21-30E9-4750-A345-BE7AB1116F48@FreeBSD.org> <20140210122146.GA26853@FreeBSD.org> <531D6C9C.7010607@FreeBSD.org>
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On Mon, Mar 10, 2014 at 03:41:16PM +0800, Kevin Lo wrote: > On 2014/02/10 20:21, Alexey Dokuchaev wrote: > >To augment this a bit: I also came across one of these dongles (vendor > >0x0bda product 0x8176) that gave me this "timeout waiting for checksum > >report" message. Retrying didn't help, but plugging the dongle out and > >then back in did. After powercycling the machine, I had to replug it > >again. Once replugged, the dongle seems to work fine (I rebuilt kernel > >and some ports via NFS over it thus far). > > > >This suggests that the driver (or more generic part of the USB stack) > >does not initialize something correctly, while full plug-and-play thing > >does it. Any ideas? > > We have to reset the bit of the R92C_MCUFWDL associated with checksum report > before writing firmware. Could you try this patch? Thanks. Shit. I'd like to help, but no longer have access to the dongle. If I find anything similar (or find a way to get access to original dongle remotely), I'll let you know. :( Thanks for working on these things Kevin, I appreciate it. ./danfe
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