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SubjectRe: tty_lock held during transmit wait in close: still unresolved
On Thu, May 26, 2011 at 12:11:04AM -0700, Greg KH wrote:
> On Thu, May 26, 2011 at 01:59:22AM +0200, Andreas Bombe wrote:
> > A minimalist way to trigger this issue is with a serial port that has
> > nothing attached:
> >
> > stty -F /dev/ttyS0 crtscts
> > echo >/dev/ttyS0
> >
> > The echo triggers a 30 second timeout on close while the driver is
> > trying to flush the newline. Another way is developing an USB device
> > with a virtual serial port and having it stop (by debugger or
> > crash/lockup)...
> >
> > Any ideas on how to progress?
>
> Can you try Linus's tree right now? A number of changes went in during
> this merge window that might help out here I think.

I think I had those changes already in the last try (Wednesday's git)
but I tried again with the very latest. No noticeable change.

--
Andreas Bombe


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