[LinuxPPS] LinuxPPS 5.3.2 strange behaviour

[Rodolfo Giometti]

On Tue, Sep 30, 2008 at 06:31:12PM -0400, George Spelvin wrote:
> Here's the dmesg output from the amd64 quad-core.  I assume you
> can see where ntp started.
> 
> #
> # PPS support
> #
> CONFIG_PPS=y
> # CONFIG_PPS_IRQ_EVENTS is not set
> CONFIG_PPS_DEBUG=y
> 
> #
> # PPS clients support
> #
> # CONFIG_PPS_CLIENT_KTIMER is not set
> CONFIG_PPS_CLIENT_LDISC=y
> # CONFIG_PPS_CLIENT_LP is not set
> 
> 
> 22:27:39: source serial1 got cdev (253:0)
> 22:27:39: new PPS source serial1 at ID 0
> 22:27:39: PPS source #0 "/dev/ttyS1" added
> 22:27:40: PPS event on source 0 at 1222813660.122065
> 22:27:40: capture assert seq #1 for source 0
> 22:27:40: PPS assert at 4294942766 on source #0
> 22:27:41: PPS event on source 0 at 1222813661.117046
> 22:27:41: capture assert seq #2 for source 0
> 22:27:41: PPS assert at 4294942866 on source #0
> 22:27:42: PPS event on source 0 at 1222813662.115963
> 22:27:42: capture assert seq #3 for source 0
> 22:27:42: PPS assert at 4294942966 on source #0
> 22:27:43: PPS event on source 0 at 1222813663.111496
> 22:27:43: capture assert seq #4 for source 0
> 22:27:43: PPS assert at 4294943066 on source #0
> 22:27:44: PPS event on source 0 at 1222813664.104728
> 22:27:44: capture clear seq #1 for source 0
> 22:27:44: PPS clear at 4294943166 on source #0

Quite strange assert/clear events list... you should have one clear
event for each assert one.

Maybe some missing IRQ?

Ciao,

Rodolfo

-- 

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