Comment 124 for bug 148454
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#124 |
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1b1ed1a
(Get the code!)
I have now reverted the patch and reopened this bug. VT_WAITEVENT is inherently racy, since events that happen between the time we return from a VT_WAITEVENT and go back into VT_WAITEVENT are completely lost. That has the effect that when coming back from a suspend sometimes VT switches are not noticed and ACLs incorrectly set up.
Kay has now proposed a new kernel interface that helps us to fix this properly. This is currently in discussion on LKML.