I don't know if
http://bugzilla.kernel.org/show_bug.cgi?id=4615
has been solved yet, but I'm seeing a similar thing with 2.6.17-rc1 and a ppp
connection over ssh.
Earlier kernels (at least linux-2.6.14-rc4) did not show this with the
exactly same settings.
How it happens:
- open up the ppp connection over ssh.
- stress it a bit with samba
- after a few minutes, pinging the remote end gives
ping: sendmsg: No buffer space available
and I have to re-establish the connection
The ssh connection seems solid afaict. Also, with bare ssh connetion, no
problems occur even under load. The ppp connection seems prone to hang
especially with SMB traffic (don't know why.)
In dmesg, there seems to be nothing relevant. /proc/slabinfo doesn't seem to
to have anything alerting in it.
The underlying connection is ADSL (8/1Mbit). The driver is eepro100. ppp is
ppp-2.4.3-6.2.1.
ppp_deflate is in use:
ppp_deflate 5536 3
zlib_deflate 18360 1 ppp_deflate
bsd_comp 5312 0
ppp_async 9664 2
crc_ccitt 1952 1 ppp_async
ppp_generic 20468 11 ppp_deflate,bsd_comp,ppp_async
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