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[70.163.223.149]) by smtp.gmail.com with ESMTPSA id d85sm203111pfd.146.2019.12.02.10.55.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Dec 2019 10:55:21 -0800 (PST) Date: Mon, 2 Dec 2019 11:55:20 -0700 From: Jerry Snitselaar To: Stefan Berger Cc: Jarkko Sakkinen , Stefan Berger , linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-security-module@vger.kernel.org Subject: Re: [PATCH 0/2] Revert patches fixing probing of interrupts Message-ID: <20191202185520.57w2h3dgs5q7lhob@cantor> Reply-To: Jerry Snitselaar Mail-Followup-To: Stefan Berger , Jarkko Sakkinen , Stefan Berger , linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-security-module@vger.kernel.org References: <20191126131753.3424363-1-stefanb@linux.vnet.ibm.com> <20191129223418.GA15726@linux.intel.com> <6f6f60a2-3b55-e76d-c11a-4677fcb72c16@linux.ibm.com> MIME-Version: 1.0 In-Reply-To: <6f6f60a2-3b55-e76d-c11a-4677fcb72c16@linux.ibm.com> X-MC-Unique: dNHMr10mOtmdQ430q56ynw-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sun Dec 01 19, Stefan Berger wrote: >On 11/29/19 5:37 PM, Jarkko Sakkinen wrote: >>On Tue, Nov 26, 2019 at 08:17:51AM -0500, Stefan Berger wrote: >>>From: Stefan Berger >>> >>>Revert the patches that were fixing the probing of interrupts due >>>to reports of interrupt stroms on some systems >>Can you explain how reverting is going to fix the issue? > > >The reverts fix 'the interrupt storm issue' that they are causing on=20 >some systems but don't fix the issue with the interrupt mode not being=20 >used. I was hoping Jerry would get access to a system faster but this=20 >didn't seem to be the case. So sending these patches seemed the better=20 >solution than leaving 5.4.x with the problem but going back to when it=20 >worked 'better.' > I finally heard back from IT support, and unfortunately they don't have any T490s systems to give out on temp loan. So I can only send patched kernels to the end user that had the problem. > >> >>This is wrong way to move forward. The root cause must be identified >>first and then decide actions like always in any situation. >> >>/Jarkko > >