package: isc-dhcp-client
version: 4.1.1-P1-12
hi!
I kept getting the following error message from dhclient after some uptime:
Bad line reading interface information
Turns out the error occurs parsing /proc/net/dev.
While the syntax of /proc/net/dev seemed ok, i had absurdly high counter values
on one interface:
eth0 Link encap:Ethernet HWaddr de:ad:be:ef:ca:fe
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:4158662212925880 errors:24951973277555280
dropped:8317324425851760 overruns:4158662212925880 frame:20793311064629400
TX packets:4158662212925880 errors:16634653146670815 dropped:0
overruns:4158662212925880 carrier:8317324425851760
collisions:20793311064629400 txqueuelen:1000
RX bytes:4158662212925880 (3.6 PiB) TX bytes:4158662212925880 (3.6
PiB)
Interrupt:44
after resetting these counters to 0 (module unload/reload), dhclient works
again.
I don't know where these counter values come from, it's probably a module bug.
Then again the values as such are totally valid and theoretically possible. I
think dhclient should use the same data type/supported ranges for these
counters if it wants to parse /proc/net/dev.
btw: i tried to configure a different interface, not eth0. I.e. skipping
parsing the rest of lines of interfaces dhclient doesn't deal with might be a
better strategy regarding fault tolerance.
regards,
Chris
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