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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id k22sm62936954pfk.157.2019.07.28.17.55.16 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 28 Jul 2019 17:55:17 -0700 (PDT) Date: Sun, 28 Jul 2019 17:56:41 -0700 From: Bjorn Andersson To: Mark Brown Subject: Re: next/master boot: 254 boots: 16 failed, 231 passed with 4 offline, 1 untried/unknown, 2 conflicts (next-20190726) Message-ID: <20190729005641.GR7234@tuxbook-pro> References: <5d3aef79.1c69fb81.111b9.a701@mx.google.com> <20190726134843.GC55803@sirena.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190726134843.GC55803@sirena.org.uk> User-Agent: Mutt/1.11.4 (2019-03-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190728_175521_731690_B937D991 X-CRM114-Status: GOOD ( 12.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, Andy Gross , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-build-reports@lists.linaro.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri 26 Jul 06:48 PDT 2019, Mark Brown wrote: > On Fri, Jul 26, 2019 at 05:18:01AM -0700, kernelci.org bot wrote: > > The past few versions of -next failed to boot on apq8096-db820c: > > > defconfig: > > gcc-8: > > apq8096-db820c: 1 failed lab > > with an RCU stall towards the end of boot: > > 00:03:40.521336 [ 18.487538] qcom_q6v5_pas adsp-pil: adsp-pil supply px not found, using dummy regulator > 00:04:01.523104 [ 39.499613] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: > 00:04:01.533371 [ 39.499657] rcu: 2-...!: (0 ticks this GP) idle=9ca/1/0x4000000000000000 softirq=1450/1450 fqs=50 > 00:04:01.537544 [ 39.504689] (detected by 0, t=5252 jiffies, g=2425, q=619) > 00:04:01.541727 [ 39.513539] Task dump for CPU 2: > 00:04:01.547929 [ 39.519096] seq R running task 0 199 198 0x00000000 > > Full details and logs at: > > https://kernelci.org/boot/id/5d3aa7ea59b5142ba868890f/ > > The last version that worked was from the 15th and there seem to be > similar issues in mainline since -rc1. Thanks for the report Mark, afaict the problem showed up in v5.3-rc1 as well. I think the problem is that the regulator supplying the GPU power domain(s) isn't enabled - and I think there's a lack of agreement of how this should be controlled. But we have a partial fix for this floating around, I will give it a spin. Regards, Bjorn _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel