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SubjectRe: next/master boot: 254 boots: 16 failed, 231 passed with 4 offline, 1 untried/unknown, 2 conflicts (next-20190726)
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.
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