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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EF4EC433EF for ; Tue, 28 Jun 2022 02:21:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243617AbiF1CVB (ORCPT ); Mon, 27 Jun 2022 22:21:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243486AbiF1CU3 (ORCPT ); Mon, 27 Jun 2022 22:20:29 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2AB761E3F4 for ; Mon, 27 Jun 2022 19:20:00 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DC317B81C0A for ; Tue, 28 Jun 2022 02:19:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id AA37CC385A2 for ; Tue, 28 Jun 2022 02:19:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656382797; bh=G3wsdb/i2kk+Fevfj6RAONFM1eCrIsSx0lCzYfdCWOE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=nXLpduhTjI6ulH8d8tImrflXFAtlXU9nymt/oaGDgU26wIu9kf10nj7BFVQV9Aw2d 2I0TRQOW4KqDNtu1XrnxPXLtM11BdPWeJ9qMPkvrnjQsYvwtofYL3c6nazicj1ZbO9 qRYwJl063Mhzsf8q7rVbMgm4RbVUHK42OHG0GTG8vcDtNkvF21nljLmCIN/vAf013K 18dQpKPfJdM2iy2/LmxGWRTAC6OYwyTnjLVYAelM3NCabcc1JfgZgfTHc5uvNPkokS WlUl+SsCoz069nK+qIZLR3Wus7ybehWQZUh1zPHas/SfT0Fb8PfraW05I/AWdZc6Vy dTCJdtiOFStyA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 8C4B4CC13B0; Tue, 28 Jun 2022 02:19:57 +0000 (UTC) From: bugzilla-daemon@kernel.org To: kvm@vger.kernel.org Subject: [Bug 216177] kvm-unit-tests vmx has about 60% of failure chance Date: Tue, 28 Jun 2022 02:19:57 +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: normal X-Bugzilla-Who: lixiao.yang@intel.com 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: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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=3D216177 --- Comment #7 from Yang Lixiao (lixiao.yang@intel.com) --- (In reply to Sean Christopherson from comment #6) > On Tue, Jun 28, 2022, bugzilla-daemon@kernel.org wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=3D216177 > >=20 > > --- Comment #5 from Nadav Amit (nadav.amit@gmail.com) --- > > > On Jun 27, 2022, at 6:19 PM, bugzilla-daemon@kernel.org wrote: > > >=20 > > > https://bugzilla.kernel.org/show_bug.cgi?id=3D216177 > > >=20 > > > --- Comment #3 from Yang Lixiao (lixiao.yang@intel.com) --- > > > (In reply to Nadav Amit from comment #2) > > >>> On Jun 27, 2022, at 5:28 PM, bugzilla-daemon@kernel.org wrote: > > >>>=20 > > >>> https://bugzilla.kernel.org/show_bug.cgi?id=3D216177 > > >>>=20 > > >>> Sean Christopherson (seanjc@google.com) changed: > > >>>=20 > > >>> What |Removed |Added > > >>>=20 > > >> > > > -------------------------------------------------------------------------= --- > > >>> CC| |seanjc@google.com > > >>>=20 > > >>> --- Comment #1 from Sean Christopherson (seanjc@google.com) --- > > >>> It's vmx_preemption_timer_expiry_test, which is known to be flaky > (though > > >>> IIRC > > >>> it's KVM that's at fault). > > >>>=20 > > >>> Test suite: vmx_preemption_timer_expiry_test > > >>> FAIL: Last stored guest TSC (28067103426) < TSC deadline (280670860= 48) > > >>=20 > > >> For the record: > > >>=20 > > >> > > https://lore.kernel.org/kvm/D121A03E-6861-4736-8070-5D1E4FEE1D32@gmail.= com/ > > >=20 > > > Thanks for your reply. So this is a KVM bug, and you have sent a patc= h to > > kvm > > > to fix this bug, right? > >=20 > > As I noted, at some point I did not manage to reproduce the failure. > >=20 > > The failure on bare-metal that I experienced hints that this is either a > test > > bug or (much less likely) a hardware bug. But I do not think it is like= ly > to > > be > > a KVM bug. >=20 > Oooh, your failure was on bare-metal. I didn't grok that. Though it cou= ld > be > both a hardware bug and a KVM bug :-) In my tests, I tested kvm-unit-tests vmx on bare-metal (not on VM) and this= bug happened on two different Ice Lake machines and one Cooper Lake machine. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=