UDP LOR with the latest RELENG_7
rwatson at FreeBSD.org
Sun Oct 12 03:40:37 PDT 2008
On Fri, 10 Oct 2008, Robert Watson wrote:
> On Fri, 10 Oct 2008, Jeremy Chadwick wrote:
>>> I'll see whether the system still locks up or not though..
>> Okay, I'm bringing rwatson@ into the thread since this is specific to UDP.
> I've now fixed the bug leading to the lock order reversal; I'd be interested
> in knowing if it also corrects the stability issue. This was r183753 in
> svn; I'm not sure it's hit CVS/cvsup yet but should do in a few minutes.
Could you confirm that with udp_usrreq.c:126.96.36.199 (or newer), the problem has
gone away? CVS log excerpt below.
Robert N M Watson
University of Cambridge
date: 2008/10/10 21:18:12; author: rwatson; state: Exp; lines: +8 -8
SVN rev 183753 on 2008-10-10 21:18:12Z by rwatson
Test the soreceive_dgram tunable and set up the pr_usrreqs structure
during UDP initialization, not during UDP inpcb initialization.
Reported by: Vlad GALU <dudu at dudu dot ro>
Approved by: re (kib)
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