Sean C. Farley wrote:
I have noticed that with a Linux-based Netgear DG834G (DSL modem)
frequent pauses (example[1]) between external systems and 7-STABLE
(March 14th). At first, I thought it was ipfilter or ipnat, but I took
those out of the picture by activating telnet on the router and
connecting directly to it. Even running "ls /usr/sbin" on the router
would pause occasionally. I did not (or did not recall) have these
problems with 6-STABLE (post 6.2). I switched out the NIC (FA-311 (sis)
to a FA-310 (dc)), cable and tried different ports on the modem by which
to connect. I also tried disabling all RFC sysctl's and SACK. Nothing
helped.
Finally, I brought out an old DSL modem (SpeedStream 5660). This fixed
the issue. I think this maybe a specific issue between Linux
(2.4.17_mvl21-malta-mips_fp_le) and FreeBSD 7. Is there anything else I
may test to see what is happening?
OT: Hang on, are you saying you're running a MIPS MALTA targeted Linux
kernel on a Netgear DG834G? That would be interesting as a test platform
for FreeBSD/mips, considering the platform support for Malta is already
there. I had a go at doing the Broadcom Sentry5 SoC last year but hadn't
finished anything.
Long shot, but are 802.3 pause frames appearing anywhere, ie can you
test with a crossover cable?
Have you done a BER test with UDP or something like that to try to rule
out non-TCP protocols?
cheers
BMS
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