That message usually indicates an interupt problem. Check teh FAQ.
On Sun, 23 Mar 2003, Javier wrote:
> El Domingo, 23 de Marzo de 2003 20:41, Stephen J. Gowdy escribi�:
>
> > The output from /proc/bus/usb/devices shows the device isn't connected or
> > off. It be plugged into a socket that doesn't have a host controller
> > loaded. Ah, actually it is becaused you don't the the low/full speed
> > driver loaded. You need to load either usb-uhci or usb-ohci (you'll find
> > the answer with "lspci -v | grep HCI | awk '{print $NF}'").
>
> Ok, I did "modprobe usb-uhci" and it loaded, but still don't see any /dev/lp0.
> This is what dmesg indicates:
>
> PCI: No IRQ known for interrupt pin D of device 00:10.3 - using IRQ 11
> hcd.c: ehci-hcd @ 00:10.3, VIA Technologies, Inc. USB 2.0
> hcd.c: irq 11, pci mem e1d56000
> usb.c: new USB bus registered, assigned bus number 1
> ehci-hcd.c: USB 2.0 support enabled, EHCI rev 1. 0
> hub.c: USB hub found
> hub.c: 6 ports detected
> usb.c: registered new driver usblp
> printer.c: v0.11: USB Printer Device Class driver
> usb-uhci.c: $Revision: 1.275 $ time 04:13:43 Mar 20 2003
> usb-uhci.c: High bandwidth mode enabled
> PCI: No IRQ known for interrupt pin A of device 00:10.0 - using IRQ 10
> usb-uhci.c: USB UHCI at I/O 0xac00, IRQ 10
> usb-uhci.c: Detected 2 ports
> usb.c: new USB bus registered, assigned bus number 2
> hub.c: USB hub found
> hub.c: 2 ports detected
> PCI: No IRQ known for interrupt pin B of device 00:10.1 - using IRQ 10
> usb-uhci.c: USB UHCI at I/O 0xb000, IRQ 10
> usb-uhci.c: Detected 2 ports
> usb.c: new USB bus registered, assigned bus number 3
> hub.c: USB hub found
> hub.c: 2 ports detected
> PCI: No IRQ known for interrupt pin C of device 00:10.2 - using IRQ 10
> usb-uhci.c: USB UHCI at I/O 0xb400, IRQ 10
> usb-uhci.c: Detected 2 ports
> usb.c: new USB bus registered, assigned bus number 4
> hub.c: USB hub found
> hub.c: 2 ports detected
> usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
> hub.c: new USB device 00:10.0-1, assigned address 2
> usb_control/bulk_msg: timeout
> usb.c: USB device not accepting new address=2 (error=-110)
> hub.c: new USB device 00:10.0-1, assigned address 3
> usb_control/bulk_msg: timeout
> usb.c: USB device not accepting new address=3 (error=-110)
>
>
>
> And this is what /proc/bus/usb/devices indicates now:
>
> T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
> B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
> D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> P: Vendor=0000 ProdID=0000 Rev= 0.00
> S: Product=USB UHCI Root Hub
> S: SerialNumber=b400
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
> I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
> E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
> T: Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
> B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
> D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> P: Vendor=0000 ProdID=0000 Rev= 0.00
> S: Product=USB UHCI Root Hub
> S: SerialNumber=b000
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
> I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
> E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
> T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
> B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
> D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> P: Vendor=0000 ProdID=0000 Rev= 0.00
> S: Product=USB UHCI Root Hub
> S: SerialNumber=ac00
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
> I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
> E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
> T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 6
> B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
> D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS= 8 #Cfgs= 1
> P: Vendor=0000 ProdID=0000 Rev= 2.04
> S: Manufacturer=Linux 2.4.20-gentoo-r1 ehci-hcd
> S: Product=VIA Technologies, Inc. USB 2.0
> S: SerialNumber=00:10.3
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
> I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
> E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=256ms
>
> My printer is of course ON and connected.
> I have tried to turn OFF and reconnect and this is what dmesg indicates:
>
> usb.c: USB device not accepting new address=4 (error=-110)
> hub.c: new USB device 00:10.0-1, assigned address 5
>
> But no printer found at /dev/usb.
>
> So now I try:
>
> mknod /dev/usb/lp0 c 180 0
>
> and next:
>
> echo "hello" >> /dev/usb/lp0
>
> and it returns:
>
> lp0: no such device
>
> What is happening?
>
> Thank you.
>
>
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|Stephen J. Gowdy | SLAC, MailStop 34, |
|http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road, |
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