From nobody Tue Jun 13 19:39:12 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 4Qgf4x5TdLz4dgDW for ; Tue, 13 Jun 2023 19:39:13 +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 4Qgf4x1RY5z3hqC for ; Tue, 13 Jun 2023 19:39:13 +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=1686685153; 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=kJXJarW34+hmhkG8j5b3iLObrhe4Sfb6LXycBZxL5VQ=; b=dAUACbNtLy8i6LR8jErSAwbXlVqFPT9pYVTK83iphD13NcTunx721r6V86HlnBUcDjZEZ1 9XINSn8dGEdsGPb8p7a4DcAwQXnp0AkktWE8veB9IaNoSdPDNCAiFXU0wggkgZjRW/Q4/n qTepIL7jHDIsXFqz6W+TvOI+vpQGE6qIHTBr3HfNtZSZwzqu9p7z8pCSOahve1ug+l7rIT fSAH5r2t/okHSQOeWap4oN3jKbTa4r63IhaoeIxymdl8Sj4RdDjHtop9cVt7EcxCNxD0rR J4bsUz6GHobLPm7LYjTsq0RgfnoboszPyl3XrCDW0HSboJ8zqDLH/qiAo8XbTQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1686685153; a=rsa-sha256; cv=none; b=wupQTRkMJ8nBBQQvPslDmRP6Bh1/2w4VNcXUVX5QIAfnfzg1eGsrI+s3LADHkCvODL3rzk 2+7cxjjj5faBKPcIxsNGDuhvWE1ogBkPXtA+1VwFDuhO5v+RZLjmOAlPeDzRP3VzBe3Ess cZr9CClf4sh6y0tIEXbWwj1AxEvq8vh6RKbWhbwnJUd097sNHfYOELJT1eXnucFLA6W1jb p+xwwfDlnWgQ+8018OpQQRVuQQthns7qj8fURqMOgH7xn25eiTFL+4cVSmMbcDA8kMj2uY yIuG7CPr675gGcU+b5zzFTWR03sW3VjW4X5OMEesRf4D1aVmAqyvVObEmhyaMw== 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 4Qgf4x0P7LzZCw for ; Tue, 13 Jun 2023 19:39:13 +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 35DJdCjL073449 for ; Tue, 13 Jun 2023 19:39:12 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 35DJdCm2073448 for bugs@FreeBSD.org; Tue, 13 Jun 2023 19:39:12 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 271983] mi_switch hang in KVM on Sapphire Rapids running NET_EPOCH_DRAIN_CALLBACKS Date: Tue, 13 Jun 2023 19:39:12 +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: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@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: 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 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D271983 --- Comment #6 from Mark Johnston --- Comment on attachment 242766 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D242766 procstat -kka oh, you also need to pass -S to top. I see one thread which looks to be spinning: 7 100267 rand_harvestq - vtrnd_read+0xa4 random_kthread+0x174 fork_exit+0x80 fork_trampoline+0xe --=20 You are receiving this mail because: You are the assignee for the bug.=