Re: Unaligned access in EHCI driver

Alan Stern <[email protected]>
Newsgroups gmane.linux.usb.devel
Message-ID <[email protected]>
On Thu, 1 Mar 2007, David Brownell wrote:

> On Thursday 01 March 2007 4:20 pm, Max Dmitrichenko wrote:
> > Hi!
> > 
> > I get following warnings on spar64:
> > Kernel unaligned access at TPC[1000c9e4] ehci_hub_control+0x54c/0x68c [ehci_hcd]
> > 
> > Despite of the comment in the patched code, the type cast used there
> > does make unaligned access. The fix was made as it's done in
> > ohci-hub.c.
> 
> Strange ... but, ACK.

It would be a good idea to track this down a little further.  The comment 
in the code _should_ be correct.  If it isn't, then something funny is 
going on.

Max, do you have a stack dump for the unaligned access?

Alan Stern


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