Date: Sat, 9 Sep 2006 17:50:24 GMT From: Jan-Espen Pettersen <sigsegv@leakingmemory.org> To: freebsd-usb@FreeBSD.org Subject: Re: usb/103046: [patch] ulpt event driven I/O with select(2) and nonblock Message-ID: <200609091750.k89HoOH3023036@freefall.freebsd.org>
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The following reply was made to PR usb/103046; it has been noted by GNATS. From: Jan-Espen Pettersen <sigsegv@leakingmemory.org> To: bug-followup@FreeBSD.org, sigsegv@radiotube.org Cc: Subject: Re: usb/103046: [patch] ulpt event driven I/O with select(2) and nonblock Date: Sat, 09 Sep 2006 19:42:11 +0200 I've updated the patch as I spotted errors in the original patch. The url will still be http://www.radiotube.org/ulpt_poll.diff Fixes were: * Forgot to start transfer (in other words forgot to call usbd_transfer) for the background read. * Panic in read callback at pipe abort. What I am interested to know about is how this works with printers that actually do return any backchannel data, since my dumb laser printer does= not return data at all. Jan-Espen Pettersen
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