25 messages in org.freebsd.freebsd-currentRe: ulpt problem (USB_ERR_IOERROR)| From | Sent On | Attachments |
|---|---|---|
| Patrick Lamaiziere | Jul 3, 2009 8:25 am | |
| Hans Petter Selasky | Jul 3, 2009 8:56 am | |
| Hans Petter Selasky | Jul 3, 2009 8:58 am | |
| Patrick Lamaiziere | Jul 3, 2009 9:52 am | |
| Hans Petter Selasky | Jul 3, 2009 10:28 am | |
| Patrick Lamaiziere | Jul 3, 2009 10:33 am | |
| Sam Leffler | Jul 3, 2009 11:24 am | |
| Patrick Lamaiziere | Jul 4, 2009 12:06 am | |
| Patrick Lamaiziere | Jul 4, 2009 12:14 am | |
| Hans Petter Selasky | Jul 4, 2009 12:45 am | |
| Patrick Lamaiziere | Jul 4, 2009 7:43 am | |
| Hans Petter Selasky | Jul 5, 2009 12:28 am | |
| Hans Petter Selasky | Jul 5, 2009 1:38 am |  .diff |
| Patrick Lamaiziere | Jul 6, 2009 7:11 am | |
| Hans Petter Selasky | Jul 6, 2009 8:50 am | |
| Patrick Lamaiziere | Jul 6, 2009 11:39 am | |
| Hans Petter Selasky | Jul 7, 2009 11:39 am | |
| Patrick Lamaiziere | Jul 11, 2009 2:26 pm | |
| Hans Petter Selasky | Jul 12, 2009 12:52 am | |
| Patrick Lamaiziere | Jul 12, 2009 6:40 pm | |
| Hans Petter Selasky | Jul 12, 2009 11:46 pm | |
| Patrick Lamaiziere | Jul 16, 2009 12:55 pm | |
| Hans Petter Selasky | Jul 16, 2009 1:21 pm | |
| Patrick Lamaiziere | Jul 16, 2009 3:49 pm | |
| Hans Petter Selasky | Jul 16, 2009 11:54 pm |
| Subject: | Re: ulpt problem (USB_ERR_IOERROR) | |
|---|---|---|
| From: | Patrick Lamaiziere (patf...@davenulle.org) | |
| Date: | Jul 16, 2009 3:49:37 pm | |
| List: | org.freebsd.freebsd-current | |
Le Thu, 16 Jul 2009 22:22:10 +0200, Hans Petter Selasky <hsel...@c2i.net> a écrit :
Could you try to add an "if (sc->sc_fflags == 0)" in front, like this:
/* * Only read status while the device is not opened, due to * possible hardware or firmware bug in some printers. */ if (sc->sc_fflags == 0) usbd_transfer_start(sc->sc_xfer[ULPT_INTR_DT_RD]);
It works fine with this check. Cool!
But why, that is not clear. FreeBSD 7.2 checks the status of the printer only when the device is opened and before each write. http://fxr.watson.org/fxr/source/dev/usb/ulpt.c?v=FREEBSD7#L637
Not related but I noticed that usb_write() in usb_dev.c returns -1 if I hit Ctrl-C when doing a "cat file > /dev/unlpt0". Because usb_fifo_wait(f) returns -1 (should be EINTR?).
If cv_wait_sig() returns -1, then they do not behave like in the manual page:
Yes I saw, I will try to dig more into the code. (will open a new thread for this)
Thank you very much, regards.
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