Re: [Xen-users] USB printer not working in a Linux domU

[Yves-gaël Chény <yves-gael.cheny@xxxxxxxxxxxxxxxxxxxxxx>]

you'have better to share your printer with a cups in dom0

cheers

Yves-Gaël Chény

Craig Metz a écrit :
>   I am trying to get a USB printer to work in a Linux domU. I am using Xen
> 3.0.3 and the Xen Linux kernel 2.6.16.40. I have hidden the USB controller's
> PCI devices from dom0 and exported them to domU, and build the domU kernel
> with the necessary device support. When I boot the xenU kernel, it lists an
> error from the USB printer class code that allocating a write buffer failed.
> This is an 8k buffer, and I have checked that it's not a real out-of-memory
> issue by feeding the domU more and more memory. Digging in a bit, it appears
> that the code is allocating a DMA buffer.
>
>   Could this be encountering a code path that got replaced by Xen
> architecture code, code that in this case isn't working as expected?
>
>   Has anyone gotten a USB printer to work in a Linux domU? If so, could you
> tell me what needs to be done to make this work?
>
>   Here are the errors I'm getting:
>
> PCI: Enabling device 0000:00:1f.4 (0000 -> 0001)
> PCI: Setting latency timer of device 0000:00:1f.4 to 64
> uhci_hcd 0000:00:1f.4: UHCI Host Controller
> uhci_hcd 0000:00:1f.4: new USB bus registered, assigned bus number 2
> uhci_hcd 0000:00:1f.4: irq 10, io base 0x0000e800
> usb usb2: configuration #1 chosen from 1 choice
> hub 2-0:1.0: USB hub found
> hub 2-0:1.0: 2 ports detected
> usb 1-2: new full speed USB device using uhci_hcd and address 2
> usb 1-2: configuration #1 chosen from 1 choice
> hub 1-2:1.0: USB hub found
> hub 1-2:1.0: 4 ports detected
> usb 1-2.2: new full speed USB device using uhci_hcd and address 3
> usb 1-2.2: configuration #1 chosen from 1 choice
> usb 1-2.3: new full speed USB device using uhci_hcd and address 4
> usb 1-2.3: configuration #1 chosen from 1 choice
> usb 1-2.4: new full speed USB device using uhci_hcd and address 5
> usb 1-2.4: configuration #1 chosen from 1 choice
> drivers/usb/class/usblp.c: out of memory for write buf
> usblp: probe of 1-2.3:1.0 failed with error -5
> drivers/usb/class/usblp.c: out of memory for write buf
> usblp: probe of 1-2.4:1.0 failed with error -5
> usbcore: registered new driver usblp
> drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
>
>   Thanks,
>
>                                                                         -Craig
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
>   
--
Yves-Gaël Chény
Responsable développements techniques
Responsable Achats techniques
Responsable RH technique

261 route de Clisson 44230 St Sébastien sur Loire
Tel : 02 40 97 62 67 - 08 73 77 24 91
http://www.tranquilitsystems.com/
yves-gael.cheny@xxxxxxxxxxxxxxxxxxxxxx

Tranquil IT Systems . SAS 37 000 ¤

Attachment: yves-gael.cheny.vcf
Description: Vcard

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users