> Here is a simple fix for 6791375. The panic is easily reproducible with > netperf and snoop of lo0. So I have been able to test it easily. > > Webrev http://npt.sfbay/net/infotech/export/stk-fix/webrev/
I'm confused why we don't check both the local and peer tcp_xmit_head fields in tcp_fuse(). It seems odd to have one check in tcp_fuse() and the other at the tcp_fuse() call site. One other nit: you have "re-enable" in one place and "reenable" in the other. (It was also probably a mistake to name the field tcp_refuse rather than tcp_re_fuse :-/) -- meem
