svn commit: r263321 - head/sys/dev/vt

[Glen Barber]

On Wed, Mar 19, 2014 at 02:53:47PM -0400, John Baldwin wrote:
> On Tuesday, March 18, 2014 6:22:48 pm Aleksandr Rybalko wrote:
> > Author: ray
> > Date: Tue Mar 18 22:22:47 2014
> > New Revision: 263321
> > URL: http://svnweb.freebsd.org/changeset/base/263321
> > 
> > Log:
> >   Switch kern.vt.suspendswitch to 0 by default (disabled).
> >   kern.vt.suspendswitch - sysctl/tunable which enable switch to VT0 before going
> >   to suspend and switch back after resume.
> >   
> >   MFC after:	7 days
> 
> I think it is fine to change the default, but I'm not certain that this fixes
> the panics on resume.  So far no one has reported back that this did fix them
> after I suggested it.  It would be good to fix the panics as well if possible.
> The last time I looked at it in detail, it seemed like the callout for only
> ttyv0 had been zero'd.  Other ttyv timers used in switching still had the correct
> contents.
> 

I can confirm setting kern.vt.suspendswitch=0 fixes the panic for me.

Glen

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