From nobody Sat Jan 14 01:23:18 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 4Nv0sf5Rtsz2sW1Q for ; Sat, 14 Jan 2023 01:23:18 +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 4Nv0sf4DMSz3K9x for ; Sat, 14 Jan 2023 01:23:18 +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=1673659398; 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=n9PCrxQVuCEInUYq4g5BoDQlF4Yko17bh+YDSuklCLM=; b=bfiIuBKlS3lTxG/SqDZjOfN5fN69YvDdMB9cVAnuUi/O/0CU8s3BV+EOQkQEqM3YbCatQ/ TrsseivJ8DA6v6aNu8h84lfgP6OaU4t5pcPl3HFK7jpVEsYZ2sgsmLvahZ8l4g9UtVwgh/ V+c02L6fDp4FNrbQw1cf5spRmkuWzLppbIRDd8VWX6w9T+/yQhJ19TFsWmOgz9ckuwu+Jo oRUFy3yStI9niG2ZFch8cHMSbfkHYnNplTWCjuvX2S7r9i9Yek26Z45YOAn+AxJQ8DGTWL iiPQlrUHBtjiPj2nkoAl6NcBSGxDiCvOs8cDavvjr/9JOMY4/H0yHzFlalYiPw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1673659398; a=rsa-sha256; cv=none; b=RcT7FBmRGIsnKKvlp29zsdSvqntVPGHZR8mL3XBGHFYBXrguiMk3VcQok/+pM6fTGlZ8+U 1Zb1Aa/qsrjYV6NM5FdQIqAcqMM7ZXFjIRngxz78bZhEN3x4vmtXah3k7sr2prTjX8zLu2 ZDOUpXsvLtYnWGZzgPd4rnriKYnIRJqBVU9EABtCPtkUxIB82npPNR7FNc784bkF/0R53d 8q0A1Bp6R+X/NPlZpAjBRhDlRD2E/kjle44Nbw8InM1bM6b3ndA478oSx/LROMgPI0nbzU PZJ4CpI5fZD8EDoc0Otuk4EM4Fqu274hhEpAxhtMycVRgDS2uX3DHjwt2WTDdA== 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 4Nv0sf3JjlzTcN for ; Sat, 14 Jan 2023 01:23:18 +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 30E1NIPq025111 for ; Sat, 14 Jan 2023 01:23:18 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 30E1NI3D025109 for bugs@FreeBSD.org; Sat, 14 Jan 2023 01:23:18 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: bugs@FreeBSD.org Subject: [Bug 268897] panic: [pmc,4811] Retrieving callchain for thread that doesn't want it Date: Sat, 14 Jan 2023 01:23:18 +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: 13.1-STABLE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jfc@mit.edu 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=3D268897 --- Comment #6 from John F. Carr --- The multithreaded angle is a red herring. You don't need the program I attached. On an ordinary desktop class Zen processor ("Ryzen 5 PRO 2400GE") running CURRENT I ran $ pmcstat -U -P instructions echo -n and the kernel crashed the same way. You do need to get root to kldload hwpmc so it's not quite as bad as it sou= nds. --=20 You are receiving this mail because: You are the assignee for the bug.=