[Bug 541580] [NEW] /proc/bus/usb gone missing

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I have been using Plextor USB device successfully which requires usbfs
mount on /proc/bus/usb to do a firmware reload. After the kernel upgrade
to 2.6.31-20 I found that usbfs mount fails as there is no /proc/bus/usb
available. I reverted back to 2.6.31-19 and the problem disappears - ie.
/proc/bus/usb is available for usbfs mount.

Any suggestions on how to fix this?

Thanks


1) I'm also facing the Exact same issue after Kernel upgrade.

2) I would also like to add that Samsung Phone 5600 keeps on restarting
when detected as Mass Storage, but it works fine with XP (this is
happening with the earlier Kernel versions also)

Please help 
Thanks

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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/proc/bus/usb gone missing
https://bugs.launchpad.net/bugs/541580
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