From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AFC03C2D0A3 for ; Mon, 9 Nov 2020 10:59:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4DF03206E3 for ; Mon, 9 Nov 2020 10:59:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728462AbgKIK72 convert rfc822-to-8bit (ORCPT ); Mon, 9 Nov 2020 05:59:28 -0500 Received: from mail.kernel.org ([198.145.29.99]:47774 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726535AbgKIK72 (ORCPT ); Mon, 9 Nov 2020 05:59:28 -0500 From: bugzilla-daemon@bugzilla.kernel.org To: kvm@vger.kernel.org Subject: [Bug 209867] CPU soft lockup/stall with nested KVM and SMP Date: Mon, 09 Nov 2020 10:59:27 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Product: Virtualization X-Bugzilla-Component: kvm X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: high X-Bugzilla-Who: frantisek@sumsal.cz X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cf_kernel_version Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=209867 Frantisek Sumsal (frantisek@sumsal.cz) changed: What |Removed |Added ---------------------------------------------------------------------------- Kernel Version|5.9.3-arch1-1 |5.9.6-arch1-1 --- Comment #4 from Frantisek Sumsal (frantisek@sumsal.cz) --- Results with kernel 5.9.6: [ 4.353614] PCI: Using configuration type 1 for extended access [ 4.361708] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 4.363625] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 64.373614] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 64.376918] rcu: 3-...0: (0 ticks this GP) idle=95a/1/0x4000000000000000 softirq=18/18 fqs=6000 last_accelerate: 0000/e77e dyntick_enabled: 0 [ 64.376918] (detected by 0, t=18002 jiffies, g=-1123, q=62) [ 64.376918] Sending NMI from CPU 0 to CPUs 3: [ 244.390281] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 244.393584] rcu: 3-...0: (0 ticks this GP) idle=95a/1/0x4000000000000000 softirq=18/18 fqs=24002 last_accelerate: 0000/ba73 dyntick_enabled: 0 [ 244.393584] (detected by 0, t=72007 jiffies, g=-1123, q=62) [ 244.393584] Sending NMI from CPU 0 to CPUs 3: [ 424.406947] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 424.410251] rcu: 3-...0: (0 ticks this GP) idle=95a/1/0x4000000000000000 softirq=18/18 fqs=42004 last_accelerate: 0000/8d68 dyntick_enabled: 0 [ 424.410251] (detected by 0, t=126012 jiffies, g=-1123, q=62) [ 424.410251] Sending NMI from CPU 0 to CPUs 3: qemu-system-x86_64: terminating on signal 15 from pid 31982 (timeout) -- You are receiving this mail because: You are watching the assignee of the bug.