umass causes panic on 7 amd64

Peter Jeremy peterjeremy at optushome.com.au
Mon Apr 21 10:11:39 UTC 2008


On Mon, Apr 21, 2008 at 09:21:16AM +0100, Tom Evans wrote:
>> My son's laptop (HP V6107au, nVIDIA MCP51 chipset, 6.x/amd64) gives
>> varying results (sometimes it works, sometimes it doesn't) and he's
>> found that plugging flashdisks into the USB hub on his keyboard gives
>> better results than plugging them into the system (which doesn't make
>> sense to me - they still show a attached to EHCI).

>Is the keyboard hub self powered? Maybe some devices draw more current
>than expected, causing fragile bus powered ports to fail (which would
>quickly cause a panic).

No.  All ports are bus-powered.

-- 
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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