I had an intermittent issue (which resolves itself spontaneously, after using a different connection for a while) that caused Internet requests to fail, with one particular wireless network. After about 5 requests after associating with an AP,
ping would report the error
ping: sendmsg: No buffer space available
In case it's relevant, I'm seeing with a
Centrino Ultimate-N 6300 [8086:4238] wireless interface on a Thinkpad X201. Bug #836250 is possibly related.
While I can work around this issue, I was wondering: What does this error message mean? In particular, what buffer is it talking about?