* Changing the device between usb printers
[not found] <3E878F0A.8090709@augenopticos.com>
@ 2003-04-04 18:50 ` Antonio Hernandez
2003-04-06 5:20 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Antonio Hernandez @ 2003-04-04 18:50 UTC (permalink / raw)
To: linux-kernel
Changing the device between usb printers.
I have several usb printers, each have a device to work
/dev/usb/lp0.../dev/usb/lp1/...etc. an example for the problem. If I
turn off 2 printers, printer #1 (/dev/usb/lp0)and printer #2
(/dev/usb/lp1) if i turn on first printer#2 and later printer #1 I got
for printer#2 to /dev/usb/lp0 and printer #1 (/dev/usb/lp1), if the
printers are the same is not a problem but if the printers aren't the
same then exist a problem when I send to print. I put a dmesg in
console and I got messages from "hub.c" that it put the number of
bus3/3/1 for a printer and bus3/3/2 to another but "printer.c" put
always usblp0 for the first printer detected and usblp1 to another. I
think that "printer.c" must to follow the same idea that hub.c to use
like /dev/usb/bus/3/3/2/lp or something like that
I have a Mandrake 9.0 distribution, I try with the kernel 2.4.20 and
2.4.21-pre6 too, all have the same problem
Thank you
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: Changing the device between usb printers
2003-04-04 18:50 ` Changing the device between usb printers Antonio Hernandez
@ 2003-04-06 5:20 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2003-04-06 5:20 UTC (permalink / raw)
To: Antonio Hernandez; +Cc: linux-kernel
On Fri, Apr 04, 2003 at 10:50:59AM -0800, Antonio Hernandez wrote:
> Changing the device between usb printers.
>
> I have several usb printers, each have a device to work
> /dev/usb/lp0.../dev/usb/lp1/...etc. an example for the problem. If I
> turn off 2 printers, printer #1 (/dev/usb/lp0)and printer #2
> (/dev/usb/lp1) if i turn on first printer#2 and later printer #1 I got
> for printer#2 to /dev/usb/lp0 and printer #1 (/dev/usb/lp1), if the
> printers are the same is not a problem but if the printers aren't the
> same then exist a problem when I send to print. I put a dmesg in
> console and I got messages from "hub.c" that it put the number of
> bus3/3/1 for a printer and bus3/3/2 to another but "printer.c" put
> always usblp0 for the first printer detected and usblp1 to another. I
> think that "printer.c" must to follow the same idea that hub.c to use
> like /dev/usb/bus/3/3/2/lp or something like that
Yes, this is a problem. People are working on solutions to this issue
for 2.5, so it will hopefully be solved some day :)
greg k-h
^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <3E878F0A.8090709@augenopticos.com>
2003-04-04 18:50 ` Changing the device between usb printers Antonio Hernandez
2003-04-06 5:20 ` Greg KH
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