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DateSun, 2 May 2004 01:13:37 -0700
FromAndrew Morton <>
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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