Having the same problem. I have a CanoScan LiDE that I need to use and even with the patch kvm/qemu refuses to see it.
## helsing:~$ sudo qemu -M pc -m 1256 -kernel-kqemu -usbdevice host:04a9:2225 -usbdevice host:04e8:326c -usb -hda /home/hamid/helsing-windows -localtime -cdrom /dev/cdrom -net nic,vlan=0 -net user,vlan=0,hostname=emu -smb /media/ERIS -boot c usb_linux_update_endp_table: Broken pipe Warning: could not add USB device host:04a9:2225 usb_linux_update_endp_table: Broken pipe Warning: could not add USB device host:04e8:326c helsing:~$ ls -la /proc/bus/usb total 0 drwxr-xr-x 5 root root 120 2008-07-29 09:34 . dr-xr-xr-x 5 root root 0 2008-07-29 09:34 .. drwxr-xr-x 2 root root 80 2008-07-29 02:33 001 drwxr-xr-x 2 root root 80 2008-07-29 11:17 002 lrwxrwxrwx 1 root root 14 2008-07-29 09:34 devices -> .usbfs/devices drwxr-xr-x 4 root root 0 2008-07-29 02:33 .usbfs helsing:~$ cat /proc/bus/usb/devices T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh=10 B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0000 ProdID=0000 Rev= 2.06 S: Manufacturer=Linux 2.6.24-19-generic ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:0b.1 C:* #Ifs= 1 Cfg#= 1 Atr=e0 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= 4 Ivl=256ms T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS=64 #Cfgs= 1 P: Vendor=04a9 ProdID=2225 Rev= 0.00 S: Manufacturer=Canon S: Product=CanoScan C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh=10 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=0000 ProdID=0000 Rev= 2.06 S: Manufacturer=Linux 2.6.24-19-generic ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:0b.0 C:* #Ifs= 1 Cfg#= 1 Atr=e0 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=255ms T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=16 #Cfgs= 1 P: Vendor=04e8 ProdID=326c Rev= 1.00 S: Manufacturer=Samsung S: Product=Samsung ML-2010 S: SerialNumber=3A61BKCY919606V. C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=07(print) Sub=01 Prot=02 Driver=usblp E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms ## -- Could not open /proc/bus/usb/devices https://bugs.launchpad.net/bugs/156085 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
