Re: kern/59339 (heartbeat watchdog fires since 10.99.14)

["Patrick Welche via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR kern/59339; it has been noted by GNATS.

From: Patrick Welche <prlw1%welche.eu@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: prlw1%cam.ac.uk@localhost, riastradh%NetBSD.org@localhost, wiz%NetBSD.org@localhost
Subject: Re: kern/59339 (heartbeat watchdog fires since 10.99.14)
Date: Mon, 6 Oct 2025 17:14:06 +0100

 On Sun, Oct 05, 2025 at 02:05:01PM +0000, Taylor R Campbell via gnats wrote:
 >  Those of you who have been running with the latest patch (v6): have
 >  you seen any of the prints in dmesg?
 >  
 >  They would look something like this (with different numbers):
 >  
 >  PR kern/59339 (heartbeat watchdog fires since 10.99.14) would fire: [clock =
 >  3] [now=3D123.123450000 -> 123.123460000], last=3D123.123445000 + interval=
 >  =3D0.000010000 -> next=3D123.123455000
 >  
 >  Or (extremely unlikely unless you're fiddling with your clock to set
 >  it forward by centuries):
 >  
 >  [clock 0] itimer arithmetic overflowed: now=3D9223372036854775798.000000000=
 >  , last=3D123.456789123 + interval=3D20.000000000
 >  
 >  I think the part of the change that avoids these conditions is worth
 >  keeping anyway but I'm curious to see if it is happening in practice.
 
 No - all quiet in all these months, and for sure back to 14 September:
 
 $ zgrep heartbeat /var/log/messages*z
 $