Date: Tue, 12 Oct 2021 09:33:49 +1100 From: MJ <mafsys1234@gmail.com> To: freebsd-arm@freebsd.org Subject: Re: Oddities on Pi4 under -current Message-ID: <d45c15a9-12a3-4b8f-181c-9f2474e3dbb5@gmail.com> In-Reply-To: <20211011163211.GA98507@www.zefox.net> References: <20211011163211.GA98507@www.zefox.net>
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On 12/10/2021 3:32 am, bob prohaska wrote: <snip> > The slow response to ssh login appeared only in the past week or so. > It isn't entirely reproducible, usually happening after idle time. > The delay isn't more then five or ten seconds, but very noticeable. > > A ping after ~ 30 minutes idle time looks like this: > bob@raspberrypi:~ $ ping 192.168.1.11 > PING 192.168.1.11 (192.168.1.11) 56(84) bytes of data > 64 bytes from 192.168.1.11: icmp_seq=1 ttl=64 time=5022 ms > 64 bytes from 192.168.1.11: icmp_seq=2 ttl=64 time=4004 ms > 64 bytes from 192.168.1.11: icmp_seq=3 ttl=64 time=2964 ms > 64 bytes from 192.168.1.11: icmp_seq=4 ttl=64 time=1925 ms > 64 bytes from 192.168.1.11: icmp_seq=5 ttl=64 time=885 ms > 64 bytes from 192.168.1.11: icmp_seq=6 ttl=64 time=3.49 ms > 64 bytes from 192.168.1.11: icmp_seq=7 ttl=64 time=2.31 ms > 64 bytes from 192.168.1.11: icmp_seq=8 ttl=64 time=2.15 ms > 64 bytes from 192.168.1.11: icmp_seq=9 ttl=64 time=2.17 ms > --- 192.168.1.11 ping statistics --- > 9 packets transmitted, 9 received, 0% packet loss, time 151ms > rtt min/avg/max/mdev = 2.151/1645.587/5021.971/1830.554 ms > bob@raspberrypi:~ $ The RPI4 has green-mode on idle. If your switch supports it, then it's activated. This might account for some delay, but that looks a little too large what you've reported. Maybe someone else with an RPI4 could provide a confirmation? Reference: https://forums.raspberrypi.com/viewtopic.php?t=257144#p1569652 Cheers M.
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