Date: Sun, 18 Apr 2021 08:30:20 +0000 From: "Scheffenegger, Richard" <Richard.Scheffenegger@netapp.com> To: Peter Holm <pho@freebsd.org>, Richard Scheffenegger <rscheff@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@freebsd.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@freebsd.org>, "transport@freebsd.org" <transport@freebsd.org> Subject: AW: git: d1de2b05a001 - main - tcp: Rename rfc6675_pipe to sack.revised, and enable by default Message-ID: <PH0PR06MB763924400F1C7C1606D6245D864A9@PH0PR06MB7639.namprd06.prod.outlook.com> In-Reply-To: <20210418060040.GA48834@x8.osted.lan> References: <202104171350.13HDoPQL025776@gitrepo.freebsd.org> <20210418060040.GA48834@x8.osted.lan>
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Hi Peter, Hmm... the panic appears to be due to a stale entry in the sack scoreboard = - a hole not having been closed up to snd_una... Unlikely that this was solely due to this change by itself. Can I get the vmcore and kernel.debug for a close investigation? Richard Scheffenegger -----Urspr=FCngliche Nachricht----- Von: Peter Holm <pho@freebsd.org>=20 Gesendet: Sonntag, 18. April 2021 08:01 An: Richard Scheffenegger <rscheff@freebsd.org> Cc: src-committers@freebsd.org; dev-commits-src-all@freebsd.org; dev-commit= s-src-main@freebsd.org Betreff: Re: git: d1de2b05a001 - main - tcp: Rename rfc6675_pipe to sack.re= vised, and enable by default NetApp Security WARNING: This is an external email. Do not click links or o= pen attachments unless you recognize the sender and know the content is saf= e. On Sat, Apr 17, 2021 at 01:50:25PM +0000, Richard Scheffenegger wrote: > The branch main has been updated by rscheff: > > URL:=20 > https://cgit.FreeBSD.org/src/commit/?id=3Dd1de2b05a001d3d80f633f576f4909 > c2686dda3d > > commit d1de2b05a001d3d80f633f576f4909c2686dda3d > Author: Richard Scheffenegger <rscheff@FreeBSD.org> > AuthorDate: 2021-04-17 12:59:30 +0000 > Commit: Richard Scheffenegger <rscheff@FreeBSD.org> > CommitDate: 2021-04-17 12:59:45 +0000 > > tcp: Rename rfc6675_pipe to sack.revised, and enable by default > > As full support of RFC6675 is in place, deprecating > net.inet.tcp.rfc6675_pipe and enabling by default > net.inet.tcp.sack.revised. > > Reviewed By: #transport, kbowling, rrs > Sponsored by: NetApp, Inc. > Differential Revision: https://reviews.freebsd.org/D28702 > --- > share/man/man4/tcp.4 | 25 ++++++++++++++----------- > sys/netinet/cc/cc_cubic.c | 2 +- > sys/netinet/cc/cc_htcp.c | 2 +- > sys/netinet/cc/cc_newreno.c | 2 +- > sys/netinet/tcp_input.c | 11 +++-------- > sys/netinet/tcp_sack.c | 12 +++++++++--- > sys/netinet/tcp_var.h | 4 ++-- > 7 files changed, 31 insertions(+), 27 deletions(-) > > diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4 index=20 > d01505e58427..cbb8021226fe 100644 > --- a/share/man/man4/tcp.4 Could this panic be related? 20210418 07:19:59 all (204/751): jumbo.sh panic: tcp_output: sack block to the left of una : -293976 cpuid =3D 3 time= =3D 1618723234 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00e49b0= 550 vpanic() at vpanic+0x181/frame 0xfffffe00e49b05a0 panic() at panic+0x43/frame 0xfffffe00e49b0600 tcp_output() at tcp_output+0x27dc/frame 0xfffffe00e49b07c0 tcp_do_segment() at tcp_do_segment+0x32a3/frame 0xfffffe00e49b08b0 tcp_input() at tcp_input+0xbd5/frame 0xfffffe00e49b0a10 ip_input() at ip_input+0x194/frame 0xfffffe00e49b0aa0 swi_net() at swi_net+0x1a1/frame 0xfffffe00e49b0b20 ithread_loop() at ithread_loop+0x279/frame 0xfffffe00e49b0bb0 fork_exit() at fork_exit+0x80/frame 0xfffffe00e49b0bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00e49b0bf0 --- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 --- https://people.freebsd.org/~pho/stress/log/log0094.txt - Peter
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