linux-kernel - Re: [PATCH V6 10/10] scsi: ufs: qcom : Refactor phy_power

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Message-Id: <20250620214408.11028-1-aishwarya.tcv@arm.com>
Date: Fri, 20 Jun 2025 22:44:08 +0100
From: Aishwarya <aishwarya.tcv@....com>
To: quic_nitirawa@...cinc.com
Cc: James.Bottomley@...senPartnership.com,
	aishwarya.tcv@....com,
	andersson@...nel.org,
	bvanassche@....org,
	dmitry.baryshkov@....qualcomm.com,
	kishon@...nel.org,
	konrad.dybcio@....qualcomm.com,
	linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	linux-scsi@...r.kernel.org,
	manivannan.sadhasivam@...aro.org,
	martin.petersen@...cle.com,
	neil.armstrong@...aro.org,
	quic_cang@...cinc.com,
	quic_rdwivedi@...cinc.com,
	vkoul@...nel.org,
	broonie@...nel.org
Subject: Re: [PATCH V6 10/10] scsi: ufs: qcom : Refactor phy_power_on/off calls

Hi Nitin,

To clarify — the defconfig kernel does boot successfully on our Arm64
Qualcomm platforms (RB5 and DB845C). However, starting from
next-20250613, we are seeing the following three test failures in the
`bootrr` baseline test in our CI environment:

  - baseline.bootrr.scsi-disk-device0-probed
  - dmesg.alert
  - dmesg.emerg

Test suite:
  https://github.com/kernelci/bootrr/tree/main

These failures are due to kernel alerts seen in the boot logs. A relevant
snippet is shown below:

  kern  :alert : Unable to handle kernel NULL pointer dereference at
  virtual address 0000000000000000
  kern  :alert : Mem abort info:
  kern  :alert :   ESR = 0x0000000096000004
  kern  :alert :   EC = 0x25: DABT (current EL), IL = 32 bits
  kern  :alert :   SET = 0, FnV = 0
  kern  :alert :   EA = 0, S1PTW = 0
  kern  :alert :   FSC = 0x04: level 0 translation fault
  kern  :alert : Data abort info:
  kern  :alert :   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
  kern  :alert :   CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  kern  :alert :   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
  kern  :alert : user pgtable: 4k pages, 48-bit VAs, pgdp=0000000109c41000
  kern  :alert : [0000000000000000] pgd=0000000000000000
  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=alert RESULT=fail UNITS=lines
  MEASUREMENT=13>

  kern  :emerg : Internal error: Oops: 0000000096000004 [#1] SMP
  kern  :emerg : Code: a90157f3 aa0003f3 f90013f6 f9405c15 (f94002b6)
  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=emerg RESULT=fail UNITS=lines
  MEASUREMENT=2>

Please let me know if you need full logs or further details to help
with debugging.

Thanks,
Aishwarya