Messages in this thread | | | Subject | Re: ARM.STM32 - Mainline stable kernel 5.9.10 hangs indefinitely on a STM32MP157A-DK1 board. | From | Alexandre Torgue <> | Date | Tue, 24 Nov 2020 14:11:48 +0100 |
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Hi Manuel
On 11/24/20 1:50 PM, Manuel Reis wrote: > To: Maxime Coquelin <mcoquelin.stm32@gmail.com> > To: Alexandre Torgue <alexandre.torgue@st.com> > Cc: linux-kernel@vger.kernel.org > CC: Michael Opdenacker <michael.opdenacker@bootlin.com> > > 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 >
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