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Old 07-17-2007, 11:04 AM   #1
sniff
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Registered: Jan 2003
Location: Durham UK
Distribution: openSUSE 12.2/3 x86_64, Debian
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Angry USB KVM conficts with USB storage


Hello,
I have a very annoying problem, I have a usb keyboard and mouse pugged into a usb KVM from startech. It works perfectly until I plug any form of usb storage into the computer. Be it pen drive/hard drive etc. As soon as I do this the mouse and keyboard become unresponsive. Other usb things work fine, printer/scanner. I don't get this problem under windows.

I emailed startech and they didn't offer much help. Can anyone suggest what I might do to fix this?

Thanks,
Phil

Edit:
This is the output from dmesg | grep usb
Code:
usbcore: registered new driver usbfs
usbcore: registered new driver hub
usb usb1: new device found, idVendor=0000, idProduct=0000
usb usb1: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: EHCI Host Controller
usb usb1: Manufacturer: Linux 2.6.18.8-0.3-default ehci_hcd
usb usb1: SerialNumber: 0000:00:13.5
usb usb1: configuration #1 chosen from 1 choice
usb usb2: new device found, idVendor=0000, idProduct=0000
usb usb2: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: OHCI Host Controller
usb usb2: Manufacturer: Linux 2.6.18.8-0.3-default ohci_hcd
usb usb2: SerialNumber: 0000:00:13.0
usb usb2: configuration #1 chosen from 1 choice
usb usb3: new device found, idVendor=0000, idProduct=0000
usb usb3: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb3: Product: OHCI Host Controller
usb usb3: Manufacturer: Linux 2.6.18.8-0.3-default ohci_hcd
usb usb3: SerialNumber: 0000:00:13.1
usb usb3: configuration #1 chosen from 1 choice
usb 1-4: new high speed USB device using ehci_hcd and address 3
usb usb4: new device found, idVendor=0000, idProduct=0000
usb usb4: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb4: Product: OHCI Host Controller
usb usb4: Manufacturer: Linux 2.6.18.8-0.3-default ohci_hcd
usb usb4: SerialNumber: 0000:00:13.2
usb usb4: configuration #1 chosen from 1 choice
usb 1-4: new device found, idVendor=04cc, idProduct=1520
usb 1-4: new device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-4: configuration #1 chosen from 1 choice
usb usb5: new device found, idVendor=0000, idProduct=0000
usb usb5: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb5: Product: OHCI Host Controller
usb usb5: Manufacturer: Linux 2.6.18.8-0.3-default ohci_hcd
usb usb5: SerialNumber: 0000:00:13.3
usb usb5: configuration #1 chosen from 1 choice
usb usb6: new device found, idVendor=0000, idProduct=0000
usb usb6: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb6: Product: OHCI Host Controller
usb usb6: Manufacturer: Linux 2.6.18.8-0.3-default ohci_hcd
usb usb6: SerialNumber: 0000:00:13.4
usb usb6: configuration #1 chosen from 1 choice
usb 2-2: new full speed USB device using ohci_hcd and address 2
usb 2-2: new device found, idVendor=04b8, idProduct=0005
usb 2-2: new device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-2: Product: USB Printer
usb 2-2: Manufacturer: EPSON
usb 2-2: SerialNumber: L76010304141135390
usb 2-2: configuration #1 chosen from 1 choice
usb 1-4.1: new low speed USB device using ehci_hcd and address 4
usb 1-4.1: new device found, idVendor=10d5, idProduct=5552
usb 1-4.1: new device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-4.1: Product: KVM
usb 1-4.1: Manufacturer: No brand
usb 1-4.1: configuration #1 chosen from 1 choice
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 2 if 0 alt 0 pr                         oto 2 vid 0x04B8 pid 0x0005
usbcore: registered new driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
usbcore: registered new driver hiddev
input: USB HID v1.10 Keyboard [No brand KVM] on usb-0000:00:13.5-4.1
input: USB HID v1.10 Mouse [No brand KVM] on usb-0000:00:13.5-4.1
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
Does that look normal?

Last edited by sniff; 07-17-2007 at 11:47 AM.
 
Old 07-17-2007, 02:44 PM   #2
sniff
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Registered: Jan 2003
Location: Durham UK
Distribution: openSUSE 12.2/3 x86_64, Debian
Posts: 307

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Just to update, I have tried switching between the opensuse system that has the problem and a different linux box running fc6. I don't get the same problem with the fc6 box, I can plug any usb storage device into that and it carries on working with the switch correctly. I am downloading a liveCD to boot into a different linux on the problem system to see if that make a difference. I have also updated the bios on the problem systems motherboard, this didn't improve matters.

The motherboard is a GA-MA69VM-S2 using the AMD 690V chipset, I guess it could be a support issue with linux.

Phil
 
Old 07-17-2007, 04:41 PM   #3
sniff
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Registered: Jan 2003
Location: Durham UK
Distribution: openSUSE 12.2/3 x86_64, Debian
Posts: 307

Original Poster
Rep: Reputation: 42
Okay so I think it is the motherboard as I get the same problem if I boot the system into a ubuntu liveCD. I have installed a PCI usb2 card into the machine, and as long as I connect my storage devices to that card instead of the motherboard everything works fine. This is good enough. It suggest that there may be issues with the AMD 690V chipset and certain usb setups under linux.
 
  


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