Problem still present in 2.6.20-15.14.

The release date draws near and I'm getting somewhat concerned!

** Description changed:

  Binary package hint: linux-image-2.6.20-13-generic
  Still present in: linux-image-2.6.20-14-generic
+ Still present in: linux-image-2.6.20-15-generic
  
  Upgraded to Kubuntu Feisty Fawn 7.04, kernel 2.6.20-13 installed.
  pam_bioapi was working fine under 2.6.17-11, but immediately after
  upgrade, I am experiencing USB problems. Attempting to login, the pam
  module causes the following to be printed to stdout:
  
  [  357.656000] hub 1-2.3:1.0: hub_port_status failed (err = -71)
  [  357.656000] hub 1-2.3:1.0: cannot disable port 1 (err = -71)
  [  357.660000] hub 1-2.3:1.0: hub_port_status failed (err = -71)
  [  357.768000] hub 1-2:1.0: port 3 disabled by hub (EMI?), re-enabling...
  
  This works very occasionally (not the first time I tried it either,
  somewhere around the 20-30th time that the module was used) and not
  consistently. Other than that, the machine consistently prints that
  error and falls back to password auth every time.
  
  The only special boot options I have tried are pci=assign-busses and
  pci=routeirq as dmesg recommends them:
  
  Apr  3 18:19:43 novosirj-laptop kernel: [    0.205402] PCI: Bus #04 (-#07) is 
hidden behind transparent bridge #03 (-#04) (try 'pci=assi
  gn-busses')
  Apr  3 18:19:43 novosirj-laptop kernel: [    0.205404] Please report the 
result to linux-kernel to fix this permanently
  
  ...but this has apparently no effect, except appeared to make things
  slightly worse. A recompile of the module also had no effect.
  
  Another bit of information is that this DOES continue to work if I boot
  back into the still-installed linux-image-2.6.17-11. This makes me think
  it may not be related to an installed base of libraries.
  
  Please advise me if I may need to provide more information.

-- 
USB device detection problems in 2.6.20
https://bugs.launchpad.net/bugs/102659
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