Date: Mon, 18 Aug 2008 09:55:22 -0700 From: "Kip Macy" <kmacy@freebsd.org> To: "Mike Tancsa" <mike@sentex.net> Cc: Robert Watson <rwatson@freebsd.org>, freebsd-stable@freebsd.org, John Baldwin <jhb@freebsd.org> Subject: Re: HEADS UP: inpcb/inpcbinfo rwlocking: coming to a 7-STABLE branch near you Message-ID: <3c1674c90808180955w665476e0s9f37321cfcfd1eed@mail.gmail.com> In-Reply-To: <200808181622.m7IGM9mk067285@lava.sentex.ca> References: <alpine.BSF.1.10.0808031142550.65130@fledge.watson.org> <alpine.BSF.1.10.0808180913450.881@fledge.watson.org> <200808181337.m7IDbqSC066670@lava.sentex.ca> <200808181024.40038.jhb@freebsd.org> <200808181622.m7IGM9mk067285@lava.sentex.ca>
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got it On Mon, Aug 18, 2008 at 9:22 AM, Mike Tancsa <mike@sentex.net> wrote: > At 10:24 AM 8/18/2008, John Baldwin wrote: > >> > Edit src/sys/conf/files >> > Add delta 1.1243.2.32 2008.07.30.20.35.41 kmacy >> > Edit src/sys/netinet/tcp_subr.c >> > Add delta 1.300.2.4 2008.07.30.20.35.41 kmacy >> > Edit src/sys/netinet/tcp_syncache.c >> > Add delta 1.130.2.9 2008.07.30.20.35.41 kmacy >> > Add delta 1.130.2.10 2008.07.30.20.51.20 kmacy >> > Edit src/sys/netinet/tcp_syncache.h >> > Add delta 1.1.2.1 2008.07.30.20.35.41 kmacy >> > Edit src/sys/netinet/tcp_usrreq.c >> > Add delta 1.163.2.4 2008.07.30.20.35.41 kmacy >> >> These are changes by Kip to do TCP offload (181013, 181014). >> >> Given that, I think the likeliest changes to cause this are the TCP >> offload >> changes. Note that Kip later MFC'd this change which changed ARP stuff: >> >> However, I would stary by narrowing it down to see if Kip's commits cause >> the >> change. > > > As I dont have the skills to unwind Robert's patch, I have done the > following > > csup with date=2008.08.01.00.00.00 > > which shows the problem. I then manually grabbed the prior versions of the > above files > > 0[smtp2]% ident src/sys/conf/files > src/sys/conf/files: > $FreeBSD: src/sys/conf/files,v 1.1243.2.30 2008/07/25 17:46:01 jhb Exp $ > 0[smtp2]% ident src/sys/netinet/tcp_subr.c > src/sys/netinet/tcp_subr.c: > $FreeBSD: src/sys/netinet/tcp_subr.c,v 1.300.2.3 2008/07/24 01:13:22 > julian Exp $ > 0[smtp2]% ident src/sys/netinet/tcp_syncache.c > src/sys/netinet/tcp_syncache.c: > $FreeBSD: src/sys/netinet/tcp_syncache.c,v 1.130.2.8 2008/07/24 01:13:22 > julian Exp $ > 0[smtp2]% ident src/sys/netinet/tcp_syncache.h > src/sys/netinet/tcp_syncache.h: > $FreeBSD: src/sys/netinet/tcp_syncache.h,v 1.1 2007/07/27 00:57:06 silby > Exp $ > 0[smtp2]% ident src/sys/netinet/tcp_usrreq.c > src/sys/netinet/tcp_usrreq.c: > $FreeBSD: src/sys/netinet/tcp_usrreq.c,v 1.163.2.3 2008/03/01 11:50:00 > rwatson Exp $ > 0[smtp2]% > > All is OK. So it looks like the above introduced the bug. > > ---Mike >
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