From nobody Thu Aug 03 21:24:46 2023 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RH21B4WkYz4V22N for ; Thu, 3 Aug 2023 21:24:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RH21B2WgTz3S9V for ; Thu, 3 Aug 2023 21:24:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1691097886; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=GLwBx3SbaeLDHdM1rc/PNfD9xluCz7tKWvwEFo0clh8=; b=Scd9+pK36nwUUYTIJHrRVW6YpSL4p78D0cYBMc6kCDGEu0m9aaoVzYnL7ry9RBw361KUAa cmAtxJ5PgM7VcTSEocfUb8egt0bq27lkoadnPQqEyiCHFosl77yrm0BU99S4gSQ44VEJ9E cd3gQtf7l5YjGFuyfi7kJquV+y1IV/dAIbYMWxuaPyE5eenMQaYu2LzUeub3x036xetKik DgtMtmNcaBxKBplqOwELzhotw8vsjKilleUuudyYfUcidwCjdwE0ZvTDxG8SN/OBEkzOGp RxVOttpEkP4EM95cM5YBo4yb7r9tC/Uk/7DutsMEvVFaA0bt8wzt2073RU7chg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1691097886; a=rsa-sha256; cv=none; b=oObTT4R2dmehrzouTM9cNejYJ3q3Tgd5LQ3XdGm0niheINXTWiVHCm7WXtVVJyhYnAYaAo jLmKnivu/+5bnEGAx3FKNXGJc/EVbgHsbOzoLy0SxHVUpGQXijdy8R3duhLyRnlUP+p5Zw Aecm+wOt+mhUjKUeQ5MRBzG/CQZGXNuBQApaMYAxNkRtwQiypL4tJ3oZ7B3J6uTbpSULsG 6kCYzpwI6Epeq0QJSM4hd7JolkTMm0tQHyhw/XQIUQ+cGZVJ/ktFoW2Swj2s9SyH+Pvqho WE3S3haucMJCW4vBNgRjMwZcBo31suE9JXutgGbxdhGMXLX4ZooNrrh0YIlogg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4RH21B1bjqzcYg for ; Thu, 3 Aug 2023 21:24:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 373LOk05028930 for ; Thu, 3 Aug 2023 21:24:46 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 373LOktu028929 for bugs@FreeBSD.org; Thu, 3 Aug 2023 21:24:46 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 272924] cxgbei drops connections during write, with 16+ sessions Date: Thu, 03 Aug 2023 21:24:46 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: asomers@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D272924 Bug ID: 272924 Summary: cxgbei drops connections during write, with 16+ sessions Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: asomers@FreeBSD.org On both FreeBSD 13.2 and 14.0 I can use cxgbei offload for my iSCSI session= s.=20 There is no trouble with reads. Writes work too, with up to 9 iSCSI sessio= ns.=20 But somewhere around 14 simultaneous sessions, overall bandwidth becomes terrible (10s to 100s of MB/s) and the server's log is spammed with messages like this: WARNING: 172.32.10.78 (iqn.1994-09.org.freebsd:MYINITATOR.MYDOMAIN.net): no ping reply (NOP-Out) after 5 seconds; dropping connection and this: 2023-08-03T20:32:53.730407+00:00 MYSERVER.MYDOMAIN.net ctld[6453] 172.32.10= .79 (iqn.1994-09.org.freebsd:MYINITIATOR.MYDOMAIN.net): error returned from CTL iSCSI limits request: cfiscsi_ioctl_limits: icl_limits failed with error 6; dropping connection Meanwhile, the initiator's log is spammed with messages like these: 2023-08-03T20:33:57.756484+00:00 MYINITIATOR kernel: WARNING: 172.33.10.58 (iqn.2018-10.net.MYDOMAIN.MYSERVER:zd17): login timed out after 61 seconds; reconnecting 2023-08-03T20:33:57.756486+00:00 slc-rb19b-ss kernel: WARNING: MYSERVER.MYDOMAIN.net (iqn.2018-10.net.MYDOMAIN.MYSERVER:zd17): login timed= out after 61 seconds; reconnecting Is there some kind of undocumented limit that I'm running into? FWIW the l= imit doesn't seem to be related to the number of connected sessions, just the nu= mber of active sessions with traffic. When the failures start, I think I have a= bout 50 total outstanding commands, and around 2-3 GBps of traffic. --=20 You are receiving this mail because: You are the assignee for the bug.=