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Thu, 2 Jul 2026 02:12:54 GMT Received: from smtprelay03.dal12v.mail.ibm.com ([172.16.1.5]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4f2uhyhsdk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Jul 2026 02:12:54 +0000 (GMT) Received: from smtpav05.wdc07v.mail.ibm.com (smtpav05.wdc07v.mail.ibm.com [10.39.53.232]) by smtprelay03.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6622Crda23331360 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Jul 2026 02:12:54 GMT Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D6DAF5805F; Thu, 2 Jul 2026 02:12:53 +0000 (GMT) Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E0F7958043; Thu, 2 Jul 2026 02:12:52 +0000 (GMT) Received: from [9.61.65.1] (unknown [9.61.65.1]) by smtpav05.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Jul 2026 02:12:52 +0000 (GMT) Message-ID: Date: Wed, 1 Jul 2026 22:12:52 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/6] s390x: Fix intermittent errors with IPL from PCI devices on s390x To: jrossi@linux.ibm.com, qemu-devel@nongnu.org, qemu-s390x@nongnu.org, cohuck@redhat.com Cc: zycai@linux.ibm.com, jdaley@linux.ibm.com, jjherne@linux.ibm.com, farman@linux.ibm.com, nrb@linux.ibm.com References: <20260630141917.673995-1-jrossi@linux.ibm.com> Content-Language: en-US From: Matthew Rosato In-Reply-To: <20260630141917.673995-1-jrossi@linux.ibm.com> Content-Type: text/plain; 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envelope-from=mjrosato@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 6/30/26 10:19 AM, jrossi@linux.ibm.com wrote: > From: Jared Rossi > > When booting from a PCI device on s390x there may be intermittent failures > caused by mismatched byte swaps. Refactor the byte swapping to ensure that > it is properly synchronized. > > Correct how the queue notification offset is calculated so that it may be > used for multi-queue configurations in the future. > > Handle some switch cases that were not caught for PCI devices. For the series: Tested-by: Matthew Rosato Worth nothing that, with this series applied (and after generating a new s390-ccw.img) I am no longer able to reproduce the error reported in: https://gitlab.com/qemu-project/qemu/-/work_items/3350 Thanks, Matt