From nobody Tue Jun 13 19:27:46 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 4Qgdqk40psz4dfLj for ; Tue, 13 Jun 2023 19:27:46 +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 4Qgdqk1S22z3R1B for ; Tue, 13 Jun 2023 19:27:46 +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=1686684466; 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=hWo+KYruQbqAr+cOmOpCN/8CJbT18boQAOsKee82UhM=; b=nvaBKQ04mQlAraEZmjW5JfuIN0jU7VwJOJjYtQ8EhXvAW+peBBQe1HO2S96gUOkX0jajCe OHNU+oRT4KmXKfPNxfapBB+wAhgECpMlDcbCBlIgi2VlJ9GNaz3J5BvCGNl0uIAZHQBGmt xhSzBaeDIz5vL0Rqn7UzlFDDy9Je9EKJf34BujMpBZ5OLKA7bEjNOc6aDplQNYIihtOY/T 0cXt4FjZ44rBAzMI97gg/VfbJGXE/DTDF0hWTQw3P3WjVB3/v+CXwP9BB1OUwU0EGt/i/p 86o/bST8vqDqJUYlhvT7Pjgx8EVtx4qiIVbx3rbNBeGxYxQQA+FPZ59cBgP7pQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1686684466; a=rsa-sha256; cv=none; b=ZdxCc+sAF8bPVX1/pBHC6Hof53Ooktr98HWICqG6GEZYgBxn2RNNU8r7Ps+9Ajd/XlA/1a b3FNN0rZ7Y0pmEeOsdP7OLSlbwY8evyreR0E3tuv73HgGcpKTZvhIPCW4GfCGqUONhEEtr 5KbGZJml9ZcAPH1EWC3rm3CMwXaBHBI+M1aiLxrJxTT7SAuKgJkyZKh1pZle1y9jclCFSB XgChM4hmIxvISru0YabWo80LV5JD9Y3xAUqogVfyUkh6v1sQsELDHLI/qXJrDGAqUZXj3/ 0/F8yRiMwy93ZjWq88KuJOohrqPmgtqSeLnO0riy+/I9uzf6554l14cxKQondw== 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 4Qgdqk0WK9zYr2 for ; Tue, 13 Jun 2023 19:27:46 +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 35DJRkRQ058363 for ; Tue, 13 Jun 2023 19:27:46 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 35DJRkqq058362 for bugs@FreeBSD.org; Tue, 13 Jun 2023 19:27:46 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 19:27:46 +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 #3 from Mark Johnston --- (In reply to R. Christian McDonald from comment #2) That is pretty weird. Could you share the output of "procstat -kka" while = the hang is occurring? Do you have INVARIANTS enabled? --=20 You are receiving this mail because: You are the assignee for the bug.=