The following reply was made to PR bin/29981; it has been noted by GNATS.

From: "Alexey G. Khramkov" <agkhram@mercdev.com>
To: gnats-bugs@netbsd.org
Cc: netbsd-bugs@netbsd.org
Subject: Re: bin/29981: vmstat(1) shows wrong system calls per interval
Date: Sat, 16 Apr 2005 11:09:13 +0500

 Rui Paulo <rpaulo@netbsd-pt.org> writes:
 
 >>Number:         29981
 >>Category:       bin
 >>Synopsis:       vmstat(1) shows wrong system calls per interval
 > vmstat(1) shows a wrong number of system calls per interval in the first
 > cycle:
 > $ vmstat -c 3 5 
 >  procs    memory      page                       disks      faults      cpu
 >  r b w    avm    fre  flt  re  pi   po   fr   sr f0 m0 w0   in   sy  cs us sy id
 >  0 0 0 227212  79428  383  23   0    0   17   39  0  0 11  236 4294964578 664 28  8 64
 > As you can see, the first value of system calls per interval is wrong. I suspect
 > this is due to the lack of proper initialisation of the variable in question
 > (maybe an int overflow?), though I haven't looked at the code, yet.
 >
 > This is a desktop system up for 5 days ATM, and since I never saw this problem I'm
 > not going to reboot it right now so I can diagnose it further (I suspect that with
 > a reboot the problem goes away, so the category of this PR may be wrong - kern instead
 > of bin).
 
 I saw the same big number and my investigation shows IRQ conflict between
 my RAID controller and fxp0 (but uptime was ~2 months).
 
 HTH,
 -- 
 = Alexey G. Khramkov (agkhram) @ Infotech <agkhram{at}mercdev{dot}com> =
 = GPG fingerprint : 944D 0C8B 343B 6C8D 50A1  061A E2DA 3E11 7765 6B47 =