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SubjectRe: [2.6.27-rc7] oops in usbcore
On Fri, Oct 24, 2008 at 06:13:03PM -0400, Alan Stern wrote:
> On Fri, 24 Oct 2008, Rafael J. Wysocki wrote:
>
> > On Thursday, 9 of October 2008, Folkert van Heusden wrote:
> > > > > lpc-ntpd is a atomic clock receiver driver doing read()-calls on an fd
> > > > > from a serial device (connected via usb), nothing fancy
> > > > > (http://vanheusden.com/lpc-ntpd/ ).
> > > >
> > > > Which devices? Please post lsusb -v
> > >
> > > thegate:/home/folkert# lsusb -v > lsusb
> > > cannot read device status, Broken pipe (32)
> > >
> > > Isn't that error odd?
> > >
> > > The output is:
>
> ...
>
> > > > But you do get this oops even without running that script, don't you?
> > >
> > > No, only with that script.
> >
> > Is this still reproducible in mainline?
> >
> > If not, is it reproducible with 2.6.27 final?
>
> I submitted a patch for this:
>
> http://marc.info/?l=linux-usb&m=122461735606713&w=2
>
> It hasn't been merged yet, in any tree.

I'm a bit hesitant to add it for .28, especially as this isn't a
"regression" per-say, but something that we have always done wrong, and
it changes the core USB code.

But, I can probably be convinced otherwise if needed :)

thanks,

greg k-h


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