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SubjectRe: strange delays on console logouts (tty != 1)
Russell King <rmk+lkml@arm.linux.org.uk> wrote:
>
> On Sat, May 01, 2004 at 06:03:47PM -0700, Andrew Morton wrote:
> > Petr Vandrovec <vandrove@vc.cvut.cz> wrote:
> > >
> > > (2) tty hangup is scheduled for work_queue.
> >
> > This is the problem, isn't it?
> >
> > >From what context is tty_hangup() invoked? (stick a dump_stack() in there>?)
>
> >From IRQ context. It's tty_vhangup() which is invoked from user context,
> and calls do_tty_hangup() synchronously.
>

But Chris and Petr are talking about virtual terminals on the local
console, are they not?

If so, how is tty_hangup() getting involved?
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