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Tue, 13 Aug 2019 10:26:58 -0700 (PDT) From: Kevin Hilman To: Mark Brown , Heiko Stuebner Subject: Re: next/master boot: 285 boots: 16 failed, 264 passed with 3 offline, 1 untried/unknown, 1 conflict (next-20190718) In-Reply-To: <20190718162005.GF5761@sirena.org.uk> References: <5d3057c8.1c69fb81.c6489.8ad2@mx.google.com> <20190718162005.GF5761@sirena.org.uk> Date: Tue, 13 Aug 2019 10:26:57 -0700 Message-ID: <7hv9v1yo0u.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190813_102700_082621_45CD13D5 X-CRM114-Status: GOOD ( 13.81 ) 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-rockchip@vger.kernel.org, linux-next@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 Mark Brown writes: > On Thu, Jul 18, 2019 at 04:28:08AM -0700, kernelci.org bot wrote: > > Today's -next started failing to boot defconfig on rk3399-firefly: > >> arm64: > >> defconfig: >> gcc-8: >> rk3399-firefly: 1 failed lab > > It hits a BUG() trying to set up cpufreq: > > [ 87.381606] cpufreq: cpufreq_online: CPU0: Running at unlisted freq: 200000 KHz > [ 87.393244] cpufreq: cpufreq_online: CPU0: Unlisted initial frequency changed to: 408000 KHz > [ 87.469777] cpufreq: cpufreq_online: CPU4: Running at unlisted freq: 12000 KHz > [ 87.488595] cpu cpu4: _generic_set_opp_clk_only: failed to set clock rate: -22 > [ 87.491881] cpufreq: __target_index: Failed to change cpu frequency: -22 > [ 87.495335] ------------[ cut here ]------------ > [ 87.496821] kernel BUG at drivers/cpufreq/cpufreq.c:1438! > [ 87.498462] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP > > I'm struggling to see anything relevant in the diff from yesterday, the > unlisted frequency warnings were there in the logs yesterday but no oops > and I'm not seeing any changes in cpufreq, clk or anything relevant > looking. > > Full bootlog and other info can be found here: > > https://kernelci.org/boot/id/5d302d8359b51498d049e983/ I confirm that disabling CPUfreq in the defconfig (CONFIG_CPU_FREQ=n) makes the firefly board start working again. Note that the default defconfig enables the "performance" CPUfreq governor as the default governor, so during kernel boot, it will always switch to the max frequency. For fun, I set the default governor to "userspace" so the kernel wouldn't make any OPP changes, and that leads to a slightly more informative splat[1] There is still an OPP change happening because the detected OPP is not one that's listed in the table, so it tries to change to a listed OPP and fails in the bowels of clk_set_rate() Kevin [1] https://termbin.com/3oum _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel