On Tue, Jun 03, 2008 at 10:23:27AM -0400, Bill Moran wrote: > In response to Nicolas Haller <[EMAIL PROTECTED]>:
> > Hi all, > > > > I have a very strange problem with a machine. The box have a postfix > > which give e-mail to an amavisd-new and deliver ham to mailboxes. > > > > The problem is the mail queue grow but the machine doesn't work at full > > capacity. CPU is 90% idle, vmstat don't see proc are waiting for > > anything, disks are playing poker and there is a lot of RAM available. > > > > The machine have this problem under freebsd 6.3 and 7.0-RELEASE with a > > bi-Xeon Quad core. > amavisd and postfix do a lot of stuff. Could be timing out on DNS or > other networking issues. Grab a tcpdump while it's running and see > if any networking is taking an extraordinary amount of time. Ho, it seems my box randomly send ICMP port unreachable packets to my DNS server. It's an another problem. I see my box doing the DNS request, I see my DNS server answer and, sometimes, my box send the ICMP packet. Anyone know why my box send ICMP port unreachable? -- Nicolas Haller
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