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[89.155.154.90]) by smtp.gmail.com with ESMTPSA id 9sm5657413wmo.34.2020.11.24.06.22.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Nov 2020 06:22:42 -0800 (PST) Date: Tue, 24 Nov 2020 14:22:35 +0000 From: Manuel Reis Subject: Re: ARM.STM32 - Mainline stable kernel 5.9.10 hangs indefinitely on =?UTF-8?Q?a=0D=0A?= STM32MP157A-DK1 board. To: Alexandre Torgue Cc: mcoquelin.stm32@gmail.com, =?iso-8859-2?q?Micha=B3_Miros=B3aw?= , linux-kernel@vger.kernel.org, Michael Opdenacker Message-Id: In-Reply-To: <4d92399d-db02-a220-fc8e-889405b85ddf@st.com> References: <4d92399d-db02-a220-fc8e-889405b85ddf@st.com> X-Mailer: geary/3.38.0 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thank you very much Alex, Tried, tested and verified. Got it working with stable/master (v5.10-rc5). Regards, Manuel On ter, 24 nov, 2020 at 14:11, Alexandre Torgue wrote: > Hi Manuel > > On 11/24/20 1:50 PM, Manuel Reis wrote: >> To: Maxime Coquelin >> To: Alexandre Torgue >> Cc: linux-kernel@vger.kernel.org >> CC: Michael Opdenacker >> >> Hi there, >> >> Mainline stable kernel 5.9.10 hangs indefinitely on a >> STM32MP157A-DK1 Discovery Kit board. >> >> Built plain vanilla 5.9.10 stable kernel for multi_v7_defconfig (set >> compression to XZ) using arm-linux-gnueabi-gcc (Ubuntu >> 10.2.0-8ubuntu1) 10.2.0. >> >> Downloaded it to the board memory via tftp running U-Boot v2020.07. >> After boot, kernel initiates and prints several messages until it >> hangs on: >> >> [ 2.692879] stpmic1 1-0033: PMIC Chip Version: 0x10 >> [ 2.704158] vddcore: supplied by regulator-dummy >> [ 2.710304] vdd_ddr: supplied by regulator-dummy >> [ 2.716414] vdd: supplied by regulator-dummy >> [ 2.722355] v3v3: supplied by regulator-dummy >> [ 2.728033] v1v8_audio: supplied by v3v3 >> [ 2.734287] v3v3_hdmi: supplied by regulator-dummy >> [ 2.741035] vtt_ddr: supplied by vdd_ddr >> [ 2.743833] vdd_usb: supplied by regulator-dummy >> [ 2.751332] vdda: supplied by regulator-dummy >> [ 2.757371] v1v2_hdmi: supplied by v3v3 >> >> No other information or indication is given, even though I added >> kernel debugging features such as the ones in "Kernel hacking >> ->Debug Oops, Lockups and Hangs". >> >> Any help would be appreciated. Let me know if I can provide any >> further information. >> > > It has been introduced by commit aea6cb99703e ("regulator: resolve > supply after creating regulator") and should fixed by this one: > > cf1ad559a20d ("regulator: defer probe when trying to get voltage from > unresolved supply"). > > Should be taken in stable tree. > > regards > alex > > >> Cheers, >> Manuel >>