Date: Mon, 19 Oct 2009 22:03:34 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: John Hay <jhay@meraka.org.za> Cc: freebsd-usb@freebsd.org Subject: Re: [8.0] hplip3/ugen printer problem Message-ID: <200910192203.35021.hselasky@c2i.net> In-Reply-To: <20091019194356.GA4815@zibbi.meraka.csir.co.za> References: <20091018153910.375f8013@baby-jane.lamaiziere.net> <200910192135.09875.hselasky@c2i.net> <20091019194356.GA4815@zibbi.meraka.csir.co.za>
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On Monday 19 October 2009 21:43:56 John Hay wrote:
> On Mon, Oct 19, 2009 at 09:35:08PM +0200, Hans Petter Selasky wrote:
> > On Monday 19 October 2009 20:58:52 John Hay wrote:
> > > On Mon, Oct 19, 2009 at 02:19:49AM +0200, Hans Petter Selasky wrote:
> > > > On Sunday 18 October 2009 20:40:31 John Hay wrote:
> > > > > > > io/hpmud/musb.c 1028: bulk_write failed buf=0xbfbfc93c
> > > > > > > size=8192 len=-60:
> > > >
> > > > Error -60 means that the transfer timed out.
> > > >
> > > > Maybe the timeout given by the driver is too strict.
> > > >
> > > > Try increasing the timeout, or change the usb_bulk_write() code into
> > > > temporarily using no timeout, timeout=0.
> >
> > Hi,
> >
> > > With a timeout of 0 it is working properly.
> >
> > Great!
> >
> > The USB stack as a clamp on the timeout:
> >
> > xfer->timeout = fs_ep.timeout;
> > if (xfer->timeout > 65535) {
> > xfer->timeout = 65535;
> > }
> >
> > The unit is milliseconds.
>
> But then there should have been a 65 second timeout? I just saw a 5-8
> second timeout.
Hi,
octave> mod(72*3600*1000,65536)
ans = 5120 //ms
uint16_t timeout; /* in milliseconds */
I've made the following patch to LibUSB in FreeBSD, which might help.
http://p4web.freebsd.org/chv.cgi?CH=169605
--HPS
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