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Unthrottling the TTY during close ends up enabling interrupts on a device not on the active list, which will never have the interrupts cleared. Doctor, it hurts when I do this. >>> On 6/2/2011 at 01:56 AM, in message <[email protected]>, Alan Cox <[email protected]> wrote: > On Wed, 01 Jun 2011 10:34:07 +1200 > "andrew mcgregor" <[email protected]> wrote: > > The LKML message > > http://kerneltrap.org/mailarchive/linux-kernel/2010/2/25/4541847 from > > February doesn't seem to have been resolved since. We struck the > > issue, and the patch below (against 2.6.32) fixes it. Should I > > supply a patch against 3.0.0rc? > > I think that would be sensible. I don't actually see how you hit it as > the IRQ ought to be masked by then but it's certainly wrong for n_tty > to be calling into check_unthrottle at that point. > > So yes please send a patch with a suitable Signed-off-by: line to > linux-serial and cc GregKH <[email protected]> as well. > > Alan Signed-off-by: Andrew McGregor <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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