# Re: [snapscan] Core testing group

From: Timothy Little (tim@lilly-villa.little-possums.net)
Date: Fri Nov 03 2000 - 23:59:47 PST

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  On Fri, Nov 03, 2000 at 10:04:46PM -0600, Chris Bagwell wrote:
  > I'm assuming the U in 1212U is for USB, right? You mention at the end
  > that you got it working with an older USB patched sane-1.0.3. The debug
  > below shows that you've still got SCSI support compiled into your SANE
  > drivers instead of USB support for the snapscan driver.

  OK, thanks for the info. I've touched snapscan.c, recompiled and
  re-installed. At least I get "usb_open" appearing in my debug output
  now. This time I get the following results from "scanimage -T":

  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: sanei_scsi_max_request_size=32768 bytes
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory[sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of snapscan to 255.
  [snapscan] sane_snapscan_init
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [snapscan] add_device(/dev/usbscanner)
  [snapscan] usb_open(/dev/usbscanner)
  [snapscan] mini_inquiry
  [snapscan] sanei_usb_cmd(8,0xbfffe6b8,6,0xbfffe694,0xbfffe690 (36))
  [snapscan] atomic_usb_cmd(8,0xbfffe6b8,6,0xbfffe694,0xbfffe690 (36))
  [snapscan] usb_cmd(8,0xbfffe6b8,6,0xbfffe694,0xbfffe690 (36))
  [snapscan] usb_cmd: cmdlen=6, datalen=0
  [snapscan] usb_write: writing: 0x12 0x00 0x00 0x00 0x24 0x00

  Here it hangs. After a couple of minutes, I tried "kill -9". After a
  another minute, still nothing. Eventually (a few more minutes), it
  stopped, saying "Killed".

  I tried it a few more times. On one occasion, it returned extra
  information after the above debug dump (still with no scanner
  activity at all):

  [snapscan] usb_write Only -1 bytes written
  [snapscan] mini_inquiry: sanei_scsi_cmd command failed: Error during device I/O
  [snapscan] add_device: mini_inquiry failed with Error during device I/O.
  [snapscan] usb_close(8)
  [snapscan] sane_snapscan_get_devices (0xbffff7c4, 0)
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: sanei_scsi_max_request_size=32768 bytes
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: sanei_scsi_max_request_size=32768 bytes
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `option dump 1' failed: No such file or directory[sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory[sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory[sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory[sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory[sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory[sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directory[sanei_debug] Setting debug level of sanei_scsi to 255.
  [sanei_scsi] sanei_scsi_open: open of `/dev/scanner' failed: No such file or directoryscanimage: no SANE devices found
  [snapscan] sane_snapscan_exit

  - Tim

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