From nobody Fri Sep 20 15:41:42 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 4X9GpH35fSz5Xc7s for ; Fri, 20 Sep 2024 15:41:43 +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 4X9GpH10Myz4ZgR for ; Fri, 20 Sep 2024 15:41:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1726846903; a=rsa-sha256; cv=none; b=PgXrtYbBsYrdZSSnxxqYqdJDum+SIOTAI78MTySvbe5kQepjK4f1s4c0+XDmxB2eP7iLcc ENcdsqMhYiMcKHtINvt92S0wXffPF9duqxjsNtwO0TWc47O5z3lFdtynb8bh36jyJx9N4v Y0jsfC4SHx3kL6gNB7xpYz1trOhSL63Ui8THZxZUhw5YQByGEJ/0Pb/ioPqHkchlI8xvEh h/55CyX3Q/MKM10tQx1XXzKk5BuDPGiTtKjG7PUojxt1NLHj0iq30aO6X/b1ECguaIlUQb 1XOXhxgnG7Nvv0kRuXf8NwJrTiYPDRrm9g5JPUuhvmcmiiEaT1D2P/MDAOO79g== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1726846903; 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=dhCUUSeI526pLK3ZdxktzGNaIgtTjzNzONjtSNj6UUo=; b=MbyhuMcrGP0B6TMguAkL3e7PVaCM9DssWDrSUyw5ii7sox6IOPR0a7/TvUb8mF/OTrp4NE FRWX1DeHww1XiK6j9ML6rKtKbD+qjvZfcV9kQf2+sUL4mMdjULSNxfPfifv4WTw19py0m4 WI8mQXygvATLxTZF3lABqUQc3KQJSwmffK1PgthgpcQoxkg05e5XlXGNOZjTV5pza7iSm8 vqb3FlCycKsc//iB2pJOChK9hnRL2badh+O2KF3EaXUARxezPLEEpCiQV1yc9unNmfaY+y b/Yof/qzKTjvh94J0AvGzOUD9eutHgNMTnMCh/hUqKhMHrNcqwKTrj1fxPSTEw== 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 4X9GpG6yKyzvtJ for ; Fri, 20 Sep 2024 15:41:42 +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 48KFfg6G031391 for ; Fri, 20 Sep 2024 15:41:42 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 48KFfgOB031389 for net@FreeBSD.org; Fri, 20 Sep 2024 15:41:42 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: Fri, 20 Sep 2024 15:41:42 +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: gallatin@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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 Andrew Gallatin changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |gallatin@FreeBSD.org --- Comment #5 from Andrew Gallatin --- (In reply to Mark Johnston from comment #4) To expand on this, the pattern of stack traces look very much like a degene= rate behavior in the UMA memory allocator when the per-cpu caches are empty, and= the allocation must go back to the zone, and you wind up taking a lock on every allocation. I'd check to see if there is a mbuf leak. The output of vmstat -z would be helpful here. --=20 You are receiving this mail because: You are the assignee for the bug.=