From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (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 8DF3210788 for ; Wed, 9 Nov 2022 19:13:31 +0000 (UTC) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 2A9Id9Me005218; Wed, 9 Nov 2022 19:13:26 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding : mime-version; s=pp1; bh=Wj5gLw/WjfL7aTPc5gojcjD5pl2mrG+cbeay+gqSGR4=; b=WjjQa5a/pAF6Sui/5CKTAA3a+vC8C0nFYAmKAfMw3PDgbSKAgx4FPZj2eVvcCcVQXxFC fSJVhmnycKpMsSHNETG2VOunM8Wf8H5G5zJx5H4GcMh3fP0WVMT+HeN2Byy46L2HA+QB n/dyHbItQcnz81q5cHej1RvANtrbPN5U9rR22YRlB7D6G55leMEUUi39ncFNGHwclVwT CDLouAh3OU/kjAmU3HAk8M+64Bs6d8RltGLsj/a6ao6PryN0HyCTWu3rX4wVsT+Q6GuM EaVx4BrvikerVjZJEdXX5oUHDjV7qJey4tAlrtuBFgVS3mEP1XjrEP1LaASIA9WuBX9a ig== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3krgmw2dnt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 09 Nov 2022 19:13:26 +0000 Received: from m0098420.ppops.net (m0098420.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 2A9It2r8027998; Wed, 9 Nov 2022 19:13:26 GMT Received: from ppma03wdc.us.ibm.com (ba.79.3fa9.ip4.static.sl-reverse.com [169.63.121.186]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3krgmw2dn8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 09 Nov 2022 19:13:26 +0000 Received: from pps.filterd (ppma03wdc.us.ibm.com [127.0.0.1]) by ppma03wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 2A9J5oAm010655; Wed, 9 Nov 2022 19:13:25 GMT Received: from b03cxnp08028.gho.boulder.ibm.com (b03cxnp08028.gho.boulder.ibm.com [9.17.130.20]) by ppma03wdc.us.ibm.com with ESMTP id 3kngs7fn0p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 09 Nov 2022 19:13:25 +0000 Received: from smtpav05.dal12v.mail.ibm.com ([9.208.128.132]) by b03cxnp08028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 2A9JDP6U2425492 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 9 Nov 2022 19:13:26 GMT Received: from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D662758065; Wed, 9 Nov 2022 19:13:23 +0000 (GMT) Received: from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AC2BD5805D; Wed, 9 Nov 2022 19:13:22 +0000 (GMT) Received: from [9.160.53.158] (unknown [9.160.53.158]) by smtpav05.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 9 Nov 2022 19:13:22 +0000 (GMT) Message-ID: Date: Wed, 9 Nov 2022 14:13:22 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.0 Subject: Re: S390 testing for IOMMUFD Content-Language: en-US To: Jason Gunthorpe Cc: Christian Borntraeger , Cornelia Huck , Eric Farman , Matthew Rosato , Niklas Schnelle , Halil Pasic , Jason Herne , linux-s390@vger.kernel.org, iommu@lists.linux.dev, Kevin Tian , Alex Williamson , kvm@vger.kernel.org, Lu Baolu , Nicolin Chen References: <0-v4-0de2f6c78ed0+9d1-iommufd_jgg@nvidia.com> <73dd6b0e-35c7-bb5d-b392-a9de012d4f92@linux.ibm.com> From: Anthony Krowiak In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed X-TM-AS-GCONF: 00 X-Proofpoint-GUID: yM0u9vrQT78X6GxEHh0I-Tj9VH395SA4 X-Proofpoint-ORIG-GUID: fRMfp2rrFJEZqNUiKzQgq3pcgtlQ4gug Content-Transfer-Encoding: 7bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-09_06,2022-11-09_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 impostorscore=0 spamscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211090144 On 11/9/22 11:12 AM, Jason Gunthorpe wrote: > On Wed, Nov 09, 2022 at 09:49:01AM -0500, Anthony Krowiak wrote: >> I cloned the https://lore.kernel.org/kvm/Y2q3nFXwOk9jul5u@nvidia.com/T/#m76a9c609c5ccd1494c05c6f598f9c8e75b7c9888 >> repo and ran the vfio_ap test cases. The tests ran without encountering the >> errors related to the vfio_pin_pages() function > I updated the git repos with this change now > >> but I did see two tests fail attempting to run crypto tests on the >> guest. I also saw a WARN_ON stack trace in the dmesg output >> indicating a timeout occurred trying to verify the completion of a >> queue reset. The reset problem has reared its ugly head in our CI, >> so this may be a good thing as it will allow me to debug why its >> happening. > Please let me know if you think this is iommufd related, from your > description it sounds like an existing latent bug? Just in case you missed my response to my previous email, the problems I was seeing were due to using a set regression tests that I patched to try to improve the tests performance. When I ran the vanilla tests they ran successfully without any problems with your patch. I will continue testing but as of now, it looks good to me. > > Thanks, > Jason