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Re: kern/37915: vt100 + wscons + tty vmlocking changes = panic

On Wed, Jan 30, 2008 at 01:30:00AM +0000, 
 > >Synopsis:       vt100 + wscons + tty vmlocking changes = panic
 > Sending some VT100 control sequences to wscons will panic the kernel.
 > The problem is that ttwrite() holds tty_lock while calling ttstart();
 > this makes its way down to wsemul_vt100_handle_csi(), which for
 > several sequences that report stuff back calls wsdisplay_emulinput(),
 > which calls ttyinput(), which tries to get tty_lock again.

This still happens with up-to-the-minute current.

David A. Holland

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