From nobody Thu Sep 26 23:04:18 2024 X-Original-To: net@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 4XF8LC2FBZz5X8Y1 for ; Thu, 26 Sep 2024 23:04:19 +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 "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4XF8LC10xZz4Sxt for ; Thu, 26 Sep 2024 23:04:19 +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=1727391859; 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: in-reply-to:in-reply-to:references:references; bh=TI5OUjuqOsfbf275NLocc2MMEslnozrX6zpL0D13lHM=; b=M6nZtuY/AAHaoSc3nZnNwabF0BMBIbLI1WhUMDf9zvVVAXUECF4IIW1W3xY3XkQmzoF8KI rgSnoD1bwN2t5C4zpIN623IHjmdCeTUZlGaf3dPb7GwHe2LY8ZTYfSnPlX3UTodlPYhVRC PszIwGtuqFBpGJ92GYBoahCSz5MjgIL1J0ALRXUHipAKawUSqaEmdH/nyBEcWKW6apFsNV 9qTLerQA94jEycthuX1/wp9ma1E2KVSzGc6F42n9ZRkMapqA2M3WoqgPiADmHTq5rglofw 7muwlVDjr2HUYycPCHmyDzVPi4jUAbOl+zVMCZ4+dZa/NGBhpGbeS60nMy9Sqg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1727391859; a=rsa-sha256; cv=none; b=jvZ8ICF3XL9G5qbLbOLyoIH/Ak83DzY3/SD4+bz8FPUVL10DtdATZnzL43GNNwuCvp04e7 RjKkCBDhCU35d3duEg7kSaaLXeldAkqsWFuaa1Fzbe/X3qACponDvJyC8AysuNIqU2j+L5 wgxqhmeVYoyRMCEqEAEiW9J4A1+UpXefzrRSGpYUo815TkjNhE+7pBG6y/ude7wEszIjxG GgO2kRmG877LFr00eorTNUpRkLWF5B+ghyhYIjOpHvI+SGXBUMl8mGT72VIx/gFQB/uMWI P1cw1mOc2BZVQT3GeA4y+t7dnU3mToR++r5gtjv+/fO1Y37yW+SotgNTQKY1aQ== 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 4XF8LC0XndzGLK for ; Thu, 26 Sep 2024 23:04:19 +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 48QN4ITB081298 for ; Thu, 26 Sep 2024 23:04:18 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 48QN4I2v081297 for net@FreeBSD.org; Thu, 26 Sep 2024 23:04:18 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: net@FreeBSD.org Subject: [Bug 281560] gve (4) uma deadlock during high tcp throughput Date: Thu, 26 Sep 2024 23:04:18 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.1-RELEASE X-Bugzilla-Keywords: vendor X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: shailend@google.com X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D281560 --- Comment #13 from shailend@google.com --- (In reply to Andrew Gallatin from comment #12) Hmmm interesting. In this case though, I'm sure nothing is traversing the networking stack, and no cpu is being consumed. The offending thread seems = to be in a weird state, almost like it went awol after it got that ipi.=20=20 ``` db> show thread 100719 Thread 100719 at 0xfffff800b87ca000: proc (pid 857): 0xfffffe018a340580 name: iperf pcb: 0xfffff800b87ca520 stack: 0xfffffe01a4e89000-0xfffffe01a4e8cfff flags: 0x5 pflags: 0x100 state: RUNQ priority: 4 container lock: sched lock 11 (0xfffffe001fd73440) last voluntary switch: 55821.710 s ago last involuntary switch: 55821.710 s ago ``` --=20 You are receiving this mail because: You are the assignee for the bug.=