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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id j12sm219664pjz.12.2019.10.28.11.40.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Oct 2019 11:40:21 -0700 (PDT) Date: Mon, 28 Oct 2019 11:40:19 -0700 From: Bjorn Andersson To: Mark Brown Cc: Andy Gross , kernel-build-reports@lists.linaro.org, linux-next@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: next/master boot: 257 boots: 8 failed, 237 passed with 8 offline, 2 untried/unknown, 2 conflicts (next-20191028) Message-ID: <20191028184019.GR571@minitux> References: <5db7032c.1c69fb81.888b0.b521@mx.google.com> <20191028174857.GG5015@sirena.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191028174857.GG5015@sirena.co.uk> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On Mon 28 Oct 10:48 PDT 2019, Mark Brown wrote: Hi Mark > On Mon, Oct 28, 2019 at 08:03:08AM -0700, kernelci.org bot wrote: > > Today's -next (anf Friday's) fails to boot on db820c: > > > defconfig: > > gcc-8: > > apq8096-db820c: 1 failed lab > > It looks like it deadlocks somewhere, the last things in the log are a > failure to start ufshcd-qcom and then an RCU stall some time later: > db820c has been failing intermittently for a while now, it seems that booting with kpti enabled causes something to go wrong. There are nothing strange in the kernel logs and ftrace seems to indicate that all the CPUs are idling nicely. Regards, Bjorn > 03:03:27.191914 [ 21.156672] ufshcd-qcom 624000.ufshc: ufshcd_populate_vreg: Unable to find vdd-hba-supply regulator, assuming enabled > 03:03:27.198061 > 03:03:27.208499 [ 21.175985] ufshcd-qcom 624000.ufshc: ufs_qcom_init: required phy device. hasn't probed yet. err = -517 > 03:03:27.216720 [ 21.176014] ufshcd-qcom 624000.ufshc: ufshcd_variant_hba_init: variant qcom init failed err -517 > 03:03:27.226220 > 03:03:27.239850 [ 21.211424] ufshcd-qcom 624000.ufshc: Initialization failed > 03:03:48.157338 [ 42.128777] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: > 03:03:48.167648 [ 42.128802] rcu: 3-...!: (0 ticks this GP) idle=dde/1/0x4000000000000000 softirq=1715/1715 fqs=60 > 03:03:48.171895 [ 42.133839] (detected by 0, t=5252 jiffies, g=2301, q=787) > > Full details, including the whole log, at: > > https://kernelci.org/boot/id/5db6bf0d59b514a35660ee72/