linux-kernel - arm64: juno-r2: SSD detect failed on mainline and next

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Message-ID: <CA+G9fYt0F_vR-zOV4P8m4HTv6AecT-eEnrL+t5wgAaKPodi0mQ@mail.gmail.com>
Date: Mon, 31 Mar 2025 09:33:37 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Linux ARM <linux-arm-kernel@...ts.infradead.org>, iommu@...ts.linux.dev, 
	open list <linux-kernel@...r.kernel.org>, lkft-triage@...ts.linaro.org, 
	Linux Regressions <regressions@...ts.linux.dev>
Cc: Robin Murphy <robin.murphy@....com>, Lorenzo Pieralisi <lpieralisi@...nel.org>, 
	Bjorn Helgaas <bhelgaas@...gle.com>, Rob Herring <robh@...nel.org>, 
	Dan Carpenter <dan.carpenter@...aro.org>, Arnd Bergmann <arnd@...db.de>, 
	Anders Roxell <anders.roxell@...aro.org>
Subject: arm64: juno-r2: SSD detect failed on mainline and next

Regressions on arm64 Juno-r2 devices detect SSD tests failed on the
Linux next and Linux mainline.

First seen on the v6.14-7245-g5c2a430e8599
 Good: v6.14
 Bad: v6.14-7422-gacb4f33713b9

* Juno-r2,
 - detect-ssd
 - mkfs.ext4-ssd

Regression Analysis:
 - New regression? yes
 - Reproducibility? Yes

Test regression: arm64 Juno-r2 SSD detect failed
Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Anders bisected this to,
# first bad commit:
  [bcb81ac6ae3c2ef95b44e7b54c3c9522364a245c]
  iommu: Get DT/ACPI parsing into the proper probe path

## Test log
  mkfs.ext4 /dev/disk/by-id/ata-SanDisk_SSD_PLUS_240GB_223004A01292
  mke2fs 1.47.2 (1-Jan-2025)
  The file /dev/disk/by-id/ata-SanDisk_SSD_PLUS_240GB_223004A01292
does not exist and no size was specified.

## Source
* Kernel version: 6.14.0
* Git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
* Git sha: acb4f33713b9f6cadb6143f211714c343465411c
* Git describe: v6.14-7422-gacb4f33713b9
* Project details:
https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.14-7422-gacb4f33713b9/

## Test
* Test log: https://lkft.validation.linaro.org/scheduler/job/8188382#L1538
* Test history:
https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.14/testrun/27742015/suite/ltp-cve/test/cve-2017-2671/history/
* Test details:
https://lkft.validation.linaro.org/scheduler/job/8188382/definition
* Test link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2uwduIsT14Pz3XEoUQQIS6ndlQK/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2uwduIsT14Pz3XEoUQQIS6ndlQK/config


--
Linaro LKFT
https://lkft.linaro.org