Thread: USB locking up machine

i'd add 1 more straw of camel.
have wonderful custom built machine. hardware of interest includes:

• asus m4a78t-e motherboard
  
  • amd 790gx / sb750 chipset
  • 6 panel usb
  • 3 usb headers 6 more usb front
  • lsusb says: 00:12.0 usb controller: ati technologies inc sb700/sb800 usb ohci0 controller
  • lsusb says: 00:12.1 usb controller: ati technologies inc sb700 usb ohci1 controller
  
  
• pny mini-attache' 2gig usb stick
• kingston datatraveler 2gig usb stick
• usb 'browser' mouse
• dell usb keyboard smartcard reader
• 'powerup' media card reader usb 2.0
• unknown external media card reader usb 1.1
• startech 2 drive esata/usb2.0 toaster -- using usb since i'd hot swap darn things, , haven't made work right yet esata

when first built machine, loaded 9.04 on it. worked flawlessly. spent 20 minutes getting video work. other perfect. media transfer , usb worked correctly , fast.

sometime in september, machine locked when inserted usb media card. mouse stuck on screen, no reaction keyboard. hard reset thing do. machine has been locking pretty since. i'd 70% of time when stick usb slot locks machine up. might locking usb system, since user interaction happens....i'm sort of boned.

upgrading 9.10 did nothing fix it.

have tried:

• following threads turning on modules , turning on modules
• reset bios 'plug , play aware os' yes , no
• reset bios 'ehci handoff / workaround /etc" every possible combination
• removing multi-card reader completely
• moving connectors around on headers
• pulling hair out

i've had it. naturally when dual boot windows partition....everything fine. nasty, nasty usb bug.

try booting single user mode, , see if still happens. if stay on console when plug device in, might output useful.

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