Re: 2.6.31-rc2 warning in drivers/usb/host/ehci-hcd.c

From: Alan Stern
Date: Tue Jul 07 2009 - 11:30:34 EST


On Tue, 7 Jul 2009, Carlos R. Mafra wrote:

> I was looking at the 'dmesg' output for 2.6.31-rc2 and noticed
> this warning
>
> ------------[ cut here ]------------
> WARNING: at drivers/usb/host/ehci-hcd.c:1048 ehci_endpoint_reset+0xfc/0x140 [ehci_hcd]()
> Hardware name: VGN-FZ240E
> clear_halt for a busy endpoint

My earlier message was wrong; the code in the option driver isn't
really wrong.

What were you doing when this occurred? Can you get this to happen
again? Can you collect a usbmon trace for when this happens?

Alan Stern

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