>> Do you expect a partial write, rather than the EAGAIN? > >That appears to be what's happening in most other cases, and also >appears to be what the LSB tests want.
Running with a kernel configured for 4K pagesize, this test passes (prints "the write appeared to succeed"). I expect this difference in behavior can be traced to when Linus improved pipe performance by allowing a list of many pages to implement the pipe buffer. See http://tinyurl.com/7jfen The date on this is Jan 6th, 2005 ... which puts it between 2.6.10 and 2.6.11-rc1 -Tony
