Re: [gpsd-dev] RFC: Patch tp prevent call to ntpd_link_* for driver_nmea2000

[Gary E. Miller]

Yo Reinhard!

On Wed, 30 May 2012 12:33:44 -0700
"Gary E. Miller" <address@hidden> wrote:

> I think I see your problem now, in that the ioctl(TIOCMWAIT) fails on
> the CAN device.  So what you need to do is come up with a patch that
> stops the PPS thread from startnig but allows the ntpd shared memory
> to be allocated.  Should be easy to do.

Looks like you got it right in patch:   
        b15fce1a9505cc2ae0bd5c003e3ec7fd95659204

I there are other broken parts in that area, but not your problem.  Someone
has misunderstood the relationship between PPS_ENABLE, and having TIOCMWAIT.
It is supposed to be possible to do PPS w/o TIOCMWAIT if kernel PPS is
enabled, but that has been munged.  The BSD people will have to fix it, 
if they care.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
        address@hidden  Tel:+1(541)382-8588

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