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: 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 <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=qup-i2c-driver-present RESULT=pass> 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 <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=qup-i2c-blsp-i2c2-probed RESULT=pass> 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/
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