usb system in Slack 10 /dev/usb
 

Slack 10 with kernel 2.6.10

Box used as a print server. mail server & file server. printing via CUPS

Suddenly usb printer stops responding.....printer & cables etc all okay.

dmesg reports no significant errors.

cat /proc/bus/usb/devices reports printer as normal.

tail /var/log/messages reports usb connect or unconnect as appropriate

ls /dev | grep usb gives which is kinda odd because that should be a directory with lp0 and its frineds in it.

Any one know why that's happened or how to fix it?

I just realised that it's kernel related.....I usually run the server on an original 2.4.26 kernel but i must have booted to a 2.6.10 that was there for me to play with. Must be some USb subsystem option somewhere...know which one?

Did you enable hotplug and udev ?

The usual hotplug bit seems missing in dmesg.

I'll try that and see what happens.

D'oh d'oh d'oh

USB printing option not enabled in kernel....simple yet symptoms weren't obvious.

I now have a lone lp0 in /dev/usb woohoooo


:D

Hi, can I revive this thread? I have a similar situation, but can't
print.

I have slackware 10.1, with
cups-1.1.23-i486-1 and hpijs-1.7-i486-1.

I have all usb related kernel options either y or m in my
2.6.10 kernel.

I have an HP OfficeJet K60xi "All-in-One" printer.

cat /proc/bus/usb/devices --
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=03f0 ProdID=0611 Rev= 1.00
S: Manufacturer=Hewlett-Packard
S: Product=OfficeJet K60xi
S: SerialNumber=SG12AC5075OH
C:* #Ifs= 1 Cfg#= 1 Atr=00 MxPwr= 2mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=07(print) Sub=01 Prot=03 Driver=usblp
E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=10ms

lsmod shows usblp is loaded

dmesg related output --
usb 1-1: new full speed USB device using uhci_hcd and address 3
usb 1-1: device descriptor read/64, error -71
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 3 if 0 alt 0 proto 3 vid 0x03F0 pid 0x0611
usbcore: registered new driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver


I add my printer in the locahost:631 pages, all seems good,
(there were two identical choices for K60xi printer?)

I chose the USB Printer#1 option from the select list.

I try printing a test page or printing from the command line
but I get no printout! cups shows job completed though.

What can I do to find/eliminate the problem? Any help out there?

Thanks,