Re: No buffer space available

2014-09-02 Thread Erik Fair
On Sep 1, 2014, at 01:46 , Michael van Elst mlel...@serpens.de wrote: t...@hamartun.priv.no (Tom Ivar Helbekkmo) writes: Sep 1 09:32:49 barsoom openvpn[2896]: write UDPv4: No buffer space available (code=55) This doesn't necessarily mean that the buffer space is too small. It often also

Re: No buffer space available

2014-09-02 Thread Tom Ivar Helbekkmo
Tom Ivar Helbekkmo t...@hamartun.priv.no writes: Reverting those to their defaults solved my problem. Correction: it improved the situation, but didn't solve it. I now get very few of these messages with a single threaded distribution build going on, but still the old situation with a -j 4

Re: No buffer space available

2014-09-02 Thread Tom Ivar Helbekkmo
Erik Fair f...@netbsd.org writes: See http://gnats.netbsd.org/7285 Ah, that looks relevant to my error messages. However: this seems to be a symptom, and not the cause. I suspect that my network hangs (which affect everything, not just UDP connections, and which happen when the machine is

5 GHz band support for Intel WiFi chips?

2014-09-02 Thread Jarle Greipsland
Hi, my impression from various web sites is that the Intel WiFi device in my Lenovo T400s laptop has support for the 5 GHz band channels. However, it seems to never associate with any access points using such channels. It always ends up using some of the 2.4 GHz channels instead, or not being

Re: No buffer space available

2014-09-02 Thread Erik Fair
Network hangs are insidious. [old fart story time] The headscratcher for me was the one in the 1990's at apple.com (when apple.com was a DEC VAX-8650 running 4.3BSD) that led me to discover TCP_SYN attacks and report that to the CERT two years before panix.com was attacked in the same way.