Control: tag -1 upstream fixed-upstream This is a known problem. During a runlevel change, the line disciplines for the virtual consoles are replaced. This requires that all tty readers go away, and the warning appears if they have not done so after 5 seconds. It was introduced in 2.6.32.43 by:
commit 9bb7bdfbc6e0699e6daeda46b245ca7964c8bfd4
Author: Jiri Slaby <jsl...@suse.cz>
Date: Sun Jun 5 14:16:16 2011 +0200
TTY: ldisc, do not close until there are readers
commit 92f6fa09bd453ffe3351fa1f1377a1b7cfa911e6 upstream.
but the underlying problem existed before then.
These upstream commits changed to an indefinite wait with no warning:
df92d0561de3 TTY: ldisc, allow waiting for ldisc arbitrarily long
300420722e07 TTY: ldisc, move wait idle to caller
0c73c08ec73d TTY: ldisc, wait for ldisc infinitely in hangup
The first two apply cleanly aside from file renaming
(drivers/char/tty_ldisc.c vs drivers/tty/tty_ldisc.c). The last depends
on:
60af22d2ed49 tty: reorder ldisc locking
and that depends on others... so I'm not sure we're going to be able to
fix this.
Ben.
--
Ben Hutchings
If you seem to know what you are doing, you'll be given more to do.
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