[Bug 42149] Re: USB devices are not powered off at shutdown (Dapper, 2.6.15)

[elrond]

hi
i am also experiencing similar problem inmy hp pavilion laptop which has ubuntu 9.04 nstalled.After  i shut down the system the usb power is off.but when i remove the ac supply to the laptop the usb gets powered.I noticed this when i saw my optical usb got lit.
this problem goes when i remove laptop battery or boot another OS.But once i  boot ubuntu 9.04 this problem agan resumes till i finally replace the battery. strangely this problem is absent when the laptop is connected to the mains.But it resumes when  i  disconnect from the mains.
plz guys help me out

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USB devices are not powered off at shutdown (Dapper, 2.6.15)
https://bugs.launchpad.net/bugs/42149
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