Date: Mon, 16 Jun 2014 17:10:22 +0200 From: Matthias Apitz <guru@unixarea.de> To: Hans Petter Selasky <hps@selasky.org> Cc: freebsd-usb@freebsd.org Subject: Re: Fwd: USB to parallel for printer HP LaserJet 4mL Message-ID: <20140616151022.GA1657@La-Habana> In-Reply-To: <539EC2A1.6040803@selasky.org> References: <20140616054141.GA1358@La-Habana> <539E87EF.9080404@selasky.org> <20140616065050.GA1552@La-Habana> <539E94C5.50405@selasky.org> <20140616083302.GA1790@La-Habana> <539EB3D7.7040802@selasky.org> <20140616091858.GA1945@La-Habana> <539EBB4B.2070401@selasky.org> <20140616100709.GA2201@La-Habana> <539EC2A1.6040803@selasky.org>
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El día Monday, June 16, 2014 a las 12:10:41PM +0200, Hans Petter Selasky escribió: > What happens if you revert that patch, and do a read first, instead of a > write? I have revert both patches, i.e. the code is now as it was, but has some DPRINTF statements at the beginning of the fuctions; here is what happens on plug-in, read and write to the device: plug-in USB cable: Jun 16 14:28:33 La-Habana root: Unknown USB device: vendor 0x0c45 product 0x62c0 bus uhub3 Jun 16 14:28:33 La-Habana root: Unknown USB device: vendor 0x0c45 product 0x62c0 bus uhub3 Jun 16 14:29:18 La-Habana kernel: ugen1.2: <Prlific Technology Inc.> at usbus1 Jun 16 14:29:18 La-Habana kernel: ulpt_probe: Jun 16 14:29:18 La-Habana kernel: ulpt_probe: Jun 16 14:29:18 La-Habana kernel: ulpt_attach: sc=0xc6c48900 Jun 16 14:29:18 La-Habana kernel: ulpt0: <Prlific Technology Inc. IEEE-1284 Controller, class 0/0, rev 1.00/2.00, addr 2> on usbus1 Jun 16 14:29:18 La-Habana kernel: ulpt_attach: setting alternate config number: 1 Jun 16 14:29:18 La-Habana kernel: ulpt0: using bi-directional mode Jun 16 14:29:18 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:19 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:19 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:20 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:20 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:21 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:22 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:22 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:23 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:24 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:24 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:25 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:26 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:26 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:27 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:28 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:28 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:29 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:29 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:30 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:30 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:31 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:31 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:32 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:32 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:33 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:33 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:34 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:34 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT issued command 'cat < /dev/unlpt0' Jun 16 14:29:35 La-Habana kernel: unlpt_open: debugging ulpt.c: unlpt_open() Jun 16 14:29:35 La-Habana kernel: ulpt_start_read: debugging ulpt.c: ulpt_start_read() Jun 16 14:29:35 La-Habana kernel: ulpt_read_callback: state=0x0 Jun 16 14:29:35 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:36 La-Habana kernel: ulpt0: at uhub1, port 1, addr 2 (disconnected) Jun 16 14:29:36 La-Habana kernel: ulpt_detach: sc=0xc6c48900 Jun 16 14:29:36 La-Habana kernel: ulpt_stop_read: debugging ulpt.c: ulpt_stop_read() Jun 16 14:29:36 La-Habana kernel: ulpt_read_callback: state=0x2 Jun 16 14:29:38 La-Habana kernel: ulpt_probe: Jun 16 14:29:38 La-Habana kernel: ulpt_probe: Jun 16 14:29:38 La-Habana kernel: ulpt_attach: sc=0xc6c48680 Jun 16 14:29:38 La-Habana kernel: ulpt0: <Prlific Technology Inc. IEEE-1284 Controller, class 0/0, rev 1.00/2.00, addr 2> on usbus1 Jun 16 14:29:38 La-Habana kernel: ulpt_attach: setting alternate config number: 1 Jun 16 14:29:38 La-Habana kernel: ulpt0: using bi-directional mode Jun 16 14:29:38 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() switching to 'date > /dev/unlpt0' Jun 16 14:29:39 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:39 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:40 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:40 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:41 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:41 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:42 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:42 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:43 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:43 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:44 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:44 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:45 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:46 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:46 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:47 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:29:48 La-Habana kernel: unlpt_open: debugging ulpt.c: unlpt_open() Jun 16 14:29:48 La-Habana kernel: ulpt_start_write: debugging ulpt.c: ulpt_start_write() Jun 16 14:29:48 La-Habana kernel: ulpt_write_callback: state=0x0 actlen=0 Jun 16 14:29:48 La-Habana kernel: ulpt_start_write: debugging ulpt.c: ulpt_start_write() Jun 16 14:29:48 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:29:48 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:14 La-Habana last message repeated 26 times Jun 16 14:30:15 La-Habana kernel: ulpt_stop_write: debugging ulpt.c: ulpt_stop_write() Jun 16 14:30:15 La-Habana kernel: ulpt0: at uhub1, port 1, addr 2 (disconnected) Jun 16 14:30:15 La-Habana kernel: ulpt_detach: sc=0xc6c48680 Jun 16 14:30:15 La-Habana kernel: ulpt_write_callback: state=0x2 actlen=0 Jun 16 14:30:16 La-Habana kernel: ulpt_probe: Jun 16 14:30:16 La-Habana kernel: ulpt_probe: Jun 16 14:30:16 La-Habana kernel: ulpt_attach: sc=0xc5529600 Jun 16 14:30:16 La-Habana kernel: ulpt0: <Prlific Technology Inc. IEEE-1284 Controller, class 0/0, rev 1.00/2.00, addr 2> on usbus1 Jun 16 14:30:16 La-Habana kernel: ulpt_attach: setting alternate config number: 1 Jun 16 14:30:16 La-Habana kernel: ulpt0: using bi-directional mode Jun 16 14:30:16 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:16 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:16 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:18 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:18 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:19 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:19 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:20 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:20 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:21 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:21 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:22 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:23 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:23 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:24 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:24 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:25 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:25 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:26 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:27 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:27 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:28 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:28 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Jun 16 14:30:29 La-Habana kernel: ulpt_status_callback: error=USB_ERR_TIMEOUT Jun 16 14:30:29 La-Habana kernel: ulpt_watchdog: debugging ulpt.c: ulpt_watchdog() Thx matthias -- Matthias Apitz | /"\ ASCII Ribbon Campaign: E-mail: guru@unixarea.de | \ / - No HTML/RTF in E-mail WWW: http://www.unixarea.de/ | X - No proprietary attachments phone: +49-170-4527211 | / \ - Respect for open standards | en.wikipedia.org/wiki/ASCII_Ribbon_Campaign
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