From nobody Thu Sep 26 17:14:06 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 4XF0Z65qtWz5XXbJ for ; Thu, 26 Sep 2024 17:14:06 +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 4XF0Z63dRGz4vhd for ; Thu, 26 Sep 2024 17:14:06 +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=1727370846; 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; 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Thu, 26 Sep 2024 17:14:06 +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 48QHE6K5039587 for ; Thu, 26 Sep 2024 17:14:06 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 48QHE6hN039586 for net@FreeBSD.org; Thu, 26 Sep 2024 17:14:06 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 17:14:06 +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 #9 from shailend@google.com --- (In reply to Mark Johnston from comment #7) Also the trace for the uma zone lock holding iperf thread: ``` db> trace 100719 Tracing pid 857 tid 100719 td 0xfffff800b87ca000 sched_switch() at sched_switch+0x5d2/frame 0xfffffe01a4e8c720 mi_switch() at mi_switch+0x171/frame 0xfffffe01a4e8c740 ipi_bitmap_handler() at ipi_bitmap_handler+0x86/frame 0xfffffe01a4e8c770 Xipi_intr_bitmap_handler() at Xipi_intr_bitmap_handler+0xb3/frame 0xfffffe01a4e8c770 --- interrupt, rip =3D 0xffffffff80ed8bed, rsp =3D 0xfffffe01a4e8c840, rbp = =3D 0xfffffe01a4e8c870 --- zone_fetch_bucket() at zone_fetch_bucket+0x8d/frame 0xfffffe01a4e8c870 cache_alloc() at cache_alloc+0x261/frame 0xfffffe01a4e8c8d0 cache_alloc_retry() at cache_alloc_retry+0x23/frame 0xfffffe01a4e8c910 tcp_m_copym() at tcp_m_copym+0x227/frame 0xfffffe01a4e8c9b0 tcp_default_output() at tcp_default_output+0x146c/frame 0xfffffe01a4e8cb80 tcp_usr_send() at tcp_usr_send+0x5a2/frame 0xfffffe01a4e8cc30 sosend_generic() at sosend_generic+0x5fe/frame 0xfffffe01a4e8cce0 sousrsend() at sousrsend+0x79/frame 0xfffffe01a4e8cd40 dofilewrite() at dofilewrite+0x7f/frame 0xfffffe01a4e8cd90 sys_write() at sys_write+0xb7/frame 0xfffffe01a4e8ce00 amd64_syscall() at amd64_syscall+0x147/frame 0xfffffe01a4e8cf30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe01a4e8cf30 ``` --=20 You are receiving this mail because: You are the assignee for the bug.=