Messages in this thread | | | Subject | WARNING: kernel is not very fresh, upgrade is recommended. ping related | From | Alessandro Sappia <> | Date | Wed, 25 Feb 2004 03:37:19 +0100 |
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if remote network is down... ping tells me that...
$ ping www.google.it PING www.google.akadns.net (216.239.59.104) 56(84) bytes of data. 64 bytes from 216.239.59.104: icmp_seq=1 ttl=236 time=62.4 ms 64 bytes from 216.239.59.104: icmp_seq=2 ttl=236 time=57.1 ms
--- www.google.akadns.net ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 57.147/59.778/62.410/2.642 ms
$ ping www.huljet.it PING www.huljet.it (151.36.102.249) 56(84) bytes of data. WARNING: kernel is not very fresh, upgrade is recommended. >From 151.6.33.78: icmp_seq=2 (BAD CHECKSUM)Destination Host Unreachable >From 151.6.33.78: icmp_seq=3 (BAD CHECKSUM)Destination Host Unreachable >From 151.6.33.78: icmp_seq=4 (BAD CHECKSUM)Destination Host Unreachable --- www.huljet.it ping statistics --- 4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3003ms $
googled (answer refered to 2.4.12) It looks like a kernel bug. ping sets van icmp filter so it will only receive source quence, redirect and echo reply icmp packets but it still received another icmp packet.
what about it ?
$ uname -a Linux galileo 2.6.2-ck1 #2 Mon Feb 23 16:22:01 CET 2004 i686 Mobile Intel(R) Pentium(R) 4 - M CPU 1.90GHz GenuineIntel GNU/Linux $ gcc --version gcc (GCC) 3.3.3 20040217 (Gentoo Linux 3.3.3, propolice-3.3-7) Copyright (C) 2003 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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