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[Bug 744076] New: USB to Parallel Port dongle not fully initialized at boot
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 30 Jan 2012 13:21:56 +0000
  • Message-id: <bug-744076-21960@http.bugzilla.novell.com/>

https://bugzilla.novell.com/show_bug.cgi?id=744076

https://bugzilla.novell.com/show_bug.cgi?id=744076#c0


Summary: USB to Parallel Port dongle not fully initialized at
boot
Classification: openSUSE
Product: openSUSE 12.1
Version: Final
Platform: PC
OS/Version: openSUSE 12.1
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: wk@xxxxxxxxxxxxx
QAContact: qa@xxxxxxx
Found By: ---
Blocker: ---


User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.34 (KHTML,
like Gecko) konqueror/4.7.2 Safari/534.34

I have USB to Parallel Port dongle (noname, Prolific chip inside) with a
parallel printer connected. If this dongle is inserted at boot moment, it is
recognized and a kernel module usblp is loaded but no device file /dev/usblp0
created. Without it I can't use the printer. The dmesg output is:
..
[ 1.484040] usb 6-2: new full speed USB device number 2 using ohci_hcd
[ 1.633170] usb 6-2: New USB device found, idVendor=067b, idProduct=2305
[ 1.633173] usb 6-2: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[ 1.633174] usb 6-2: Product: IEEE-1284 Controller
[ 1.633176] usb 6-2: Manufacturer: Prはlific Technology Inc.
[...
If I remove a dongle and insert it again, the device file is created and I can
use the printer (with some manual changes in cups configuration). The dmesg
output is now:
..
[ 416.485317] usb 6-2: USB disconnect, device number 2
[ 419.842112] usb 6-3: new full speed USB device number 3 using ohci_hcd
[ 419.990242] usb 6-3: New USB device found, idVendor=067b, idProduct=2305
[ 419.990251] usb 6-3: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[ 419.990258] usb 6-3: Product: IEEE-1284 Controller
[ 419.990263] usb 6-3: Manufacturer: Prはlific Technology Inc.
[ 424.994806] usblp0: USB Bidirectional printer dev 3 if 0 alt 1 proto 2 vid
0x067B pid 0x2305


Reproducible: Always

Steps to Reproduce:
1. Boot the computer with the dongle connected
2. ls /dev/usblp*
3. Remove the dongle from the computer, connect it back and wait for driver
reload
4. ls /dev/usblp*
Actual Results:
No file in first try

/dev/usblp0
in the second try

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