On Wed, 8 Aug 2007, Michal Piotrowski wrote:
> USB
>
> Subject : 2.6.23-rc1: uhci_hcd. irq 4: nobody cared
> References : http://lkml.org/lkml/2007/7/29/75
> Last known good : ?
> Submitter : Mark Hindley <[email protected]>
> Caused-By : ?
> Handled-By : Alan Stern <[email protected]>
> Status : unknown
Mark has determined that this is not a regression but rather an
already-existing problem, caused by invoking kexec from within an xterm
window. See
http://marc.info/?l=linux-usb-users&m=118648557203179&w=2
Of course, this means there's liable to be something wrong with the way
kexec interacts with uhci-hcd or the other drivers sharing the same
IRQ. Failure to call the shutdown() method could cause the problem.
But I don't see why using an xterm should make any difference (unless
the only device being used was a mouse, and it was not in use while X
wasn't running).
Alan Stern
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