the very same happens to me. (the same adapter)
: >
: > If I reset the network stack, by bringing eth0 down and removing the
: > modules (smc-ultra and 8390), then reinsert them, performance returns to
: > normal.
I do not need to reinsert modules; just bringing eth0 down and up returns it
to normal
: >
: > This is on Linux 2.2.13, on an ASUS SMP motherboard, with only one P2-300
: > processor (kernel is NOT compiled for SMP). I'm including
: > /proc/modules, /proc/interrupts and /proc/ioports just in case.
it goes all the time I remember (it was about 2.2.5 since the computer exists),
up to 2.2.12, I haven't tried 2.2.13 yet
:
: Useful information would also include the driver detection message,
: giving whether the card is operating in shared memory or I/O mode,
: the output of "cat /proc/net/dev" and any error/warnings reported
: by the driver (use "dmesg").
I/O mode, no errors or warning, everything seems usual
after 13 days of uptime, I think it did not happened since then
(it is not an important server anymore)
I vaguely remember that when it happened the number of errs went up
dramatically.
cat /proc/net/dev:
Inter-| Receive | Transmit
face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed
lo: 9890796 78049 0 0 0 0 0 0 9890796 78049 0 0 0 0 0 0
eth0:2115111477 10903678 10 0 0 310 0 6069402 111633103 5965476 32 0 0 60792 64 0
vmnet0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
vmnet1: 0 0 0 0 0 0 0 0 0 3183 0 0 0 0 0 0
vmnet2: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
vmnet3: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
:
: If there is nothing obviously wrong in that then you may need to use
: tcpdump to get a better look at what is happening during a slowdown.
nothing unusual, just a lot of traffic (i.e. copying files from nfs mount,
while ftp-ing (simultaneously more connections) other files, while
another linux with ipx-overbroadcasting bug was flooding the network :-)
(the latter is not neccessary)
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