From nobody Wed Jan 19 16:44:35 2022 X-Original-To: threads@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 689C81951F79 for ; Wed, 19 Jan 2022 16:44:36 +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 4JfBLq5hjFz53W2 for ; Wed, 19 Jan 2022 16:44:35 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) 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 8F21C17DFF for ; Wed, 19 Jan 2022 16:44:35 +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 20JGiZ85001179 for ; Wed, 19 Jan 2022 16:44:35 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 20JGiZQt001178 for threads@FreeBSD.org; Wed, 19 Jan 2022 16:44:35 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: threads@FreeBSD.org Subject: [Bug 261338] [PATCH] kernel panic "bad pte" under heavy CPU load on 12.2 and 12.3 (i386) Date: Wed, 19 Jan 2022 16:44:35 +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: 12.3-RELEASE X-Bugzilla-Keywords: panic, patch X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: threads@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: Threading List-Archive: https://lists.freebsd.org/archives/freebsd-threads List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-threads@freebsd.org X-BeenThere: freebsd-threads@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1642610675; 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=rdg/NqsTIWvEXFF8WH+joaOPBjMfitLbKqvuImAhNjA=; b=SLN0SsbxVgd6oUN2scdSEKF/Sb2otRLxDKyE3Oy7aB3nbE3zUI8I8HiECZ5cOyhTm/yiyk UaOXbuAPZa+tXUhUvZvRWICVIlq7EQRVb0GrsI7EdKabhTD5CUz7lOYKB3JS1I6OLI/p1l aDff5skgFToffYUNeGF+9YQUFsPCGWGOqfQXYSzIikiBQAU7MLckb6Ju0gZMdksj9mvngU xBIF95Hg+J+9Zb0yz4zllL4mYMwC/SsT7KrFHm4iqOs9rdFQC+fkPeDtH3OPGZuGl/99+f ZZwSY0paDnUSjHF7v9xAspt/50xyDcg2J1ePeKOCHurVkPXp+eLIEiJ9ypZ+oA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1642610675; a=rsa-sha256; cv=none; b=v0tPKBSF2priurxt6EcycgzQn6GZfdC623MiJ+vLLxx+UZoBzbiH2vfd+QJjN/3m2BLeFb ryhPOb4nZCuLu3C+lD0TfbsSV9upZrprDWXk0grHCawvawXtnvr/jxtpRzJOnDu+Sp+U6/ LpenSSgMEoJ12oQilLqEFYizqo2S3DY0QxulYQcewCkLRWEhOY527JuSz3Ho9B4dyUj787 tuOOagaiU/DnQZMbnU7hd0/zuJ3pS0tYSxcWlTfJwbaV/QsD2TVyeJUs+A3gI3RSEzuPtC fAQ4l6318ZGgwLlKmuoq04otCgUkWRP3F341rqPjTApiJTMuWiWpVpILQ0Rx3Q== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D261338 --- Comment #2 from Andriy Gapon --- That's strange. In i386 pmap.c there is a single call to smp_masked_invlpg (from the stack = in the screenshot). It's in pmap_invalidate_page() and there are sched_pin() a= nd sched_unpin() calls around the smp_masked_invlpg() call. --=20 You are receiving this mail because: You are the assignee for the bug.=