From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C1C05226D18 for ; Tue, 18 Aug 2026 17:32:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787074336; cv=none; b=LjBAeZnC8A2UOuGCtYqg4EnkUDvm4NBrQF4YdzaDPL17ZypcW6wqu9HycucD1nToo7vyUdzfHNRmrlseboP4FZJ06TyO0m8hrvvh4lEBH2qxVmMoahlD5Zly5CRDncokP+I/xzYtfwB0t9qpnM+5tNFbQJiSClC917MW1nrsYwk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787074336; c=relaxed/simple; bh=4X3X595DlJ3Fl46k1OE/Cu89WR2kbDCEKULaEFnTVKA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=PcpmTaBBG0eceyp7dnTLERZypUlMx8EgSU7Ml11QPs6Ajt6Kzm73d7kZpAMQcPTY0+stRh0sf1KPrpaK5QrNILwjzlOlUMcSpn77EYEfWNDF73UsZJee6eTNpCm5IoOLET09z4peZnRkLa3uGYbTZN33tbUQb1/4Nypjx3/dv7o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=gXvhhSAl; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="gXvhhSAl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1787074333; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZsigVlxc1Yx5xrsa1S52pC/wAn87RkEo7OEJR846FGI=; b=gXvhhSAlLhNQpYBlE7mGTUpS6NFEdIzUFe9NGCOThnPfJjo5SPrEQxkc48DY0FK0K4ijBH G7tryQGx3YXiNGpLW7ctWnFskkU7Hds5Pt6wVXYHoJiu6MPa7HAEFe3eFBaDMTdeea1/OU AaonNZQf3ttvZZD74z5BzgZJTCkLf8Y= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-590-Vk-8hWHsO6qKZAjiypooVQ-1; Tue, 18 Aug 2026 13:32:12 -0400 X-MC-Unique: Vk-8hWHsO6qKZAjiypooVQ-1 X-Mimecast-MFC-AGG-ID: Vk-8hWHsO6qKZAjiypooVQ_1787074331 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9C7BE1800869; Tue, 18 Aug 2026 17:32:10 +0000 (UTC) Received: from [10.17.17.225] (unknown [10.17.17.225]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 4AF383000239; Tue, 18 Aug 2026 17:32:09 +0000 (UTC) Message-ID: <3e9c2a03-9a8f-4e20-9c7d-1b55edc58a9d@redhat.com> Date: Tue, 18 Aug 2026 13:32:08 -0400 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH blktests 0/2] Test multipath and marginal ports To: Shin'ichiro Kawasaki , Jesse Taube Cc: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Daniel Wagner References: <20260812174503.3705830-1-jtaubepe@redhat.com> Content-Language: en-US From: John Meneghini Organization: RHEL Core Storge Team In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 On 8/17/26 03:38, Shin'ichiro Kawasaki wrote: > Yes, it happnes always I run the test case. After I rebased to v7.2 kernel, it > shows a bit different message: > > nvme/070 (tr=fc) (test nvme-fc marginal path handling) [failed] > runtime 37.200s ... 38.926s > --- tests/nvme/070.out 2026-08-17 11:13:53.073000000 +0900 > +++ /home/shin/Blktests/blktests/results/nodev_tr_fc/nvme/070.out.bad 2026-08-17 16:34:17.997000000 +0900 > @@ -3,10 +3,14 @@ > Testing iopolicy: numa > Changing FC links to online > Set all online: pass > -One host marginal: pass > +FC port on (/sys/class/nvme-subsystem/nvme-subsys6/nvme6) is being used, expected no use. > +One host marginal: fail > All marginal: pass > ... > (Run 'diff -u tests/nvme/070.out /home/shin/Blktests/blktests/results/nodev_tr_fc/nvme/070.out.bad' to see the entire diff) I'm seeing this same issue on my QEMU based test bed. This is a timing problem and the issue does not appear on a high CPU count system. Jesse and I will work on a fix and update the patch series. /John