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SubjectRe: TI: X15 the connected SSD is not detected on Linux next 20221006 tag
From
On 10/13/22 21:39, Naresh Kamboju wrote:
> On Thu, 13 Oct 2022 at 12:41, Damien Le Moal
> <damien.lemoal@opensource.wdc.com> wrote:
>>
>> On 2022/10/12 16:24, Naresh Kamboju wrote:
>>> On TI beagle board x15 the connected SSD is not detected on linux next
>>> 20221006 tag.
>>>
>>> + export STORAGE_DEV=/dev/disk/by-id/ata-SanDisk_SSD_PLUS_120GB_190702A00D84
>>> + STORAGE_DEV=/dev/disk/by-id/ata-SanDisk_SSD_PLUS_120GB_190702A00D84
>>> + test -n /dev/disk/by-id/ata-SanDisk_SSD_PLUS_120GB_190702A00D84
>>> + echo y
>>> + mkfs.ext4 /dev/disk/by-id/ata-SanDisk_SSD_PLUS_120GB_190702A00D84
>>> mke2fs 1.46.5 (30-Dec-2021)
>>> The file /dev/disk/by-id/ata-SanDisk_SSD_PLUS_120GB_190702A00D84 does
>>> not exist and no size was specified.
>>> + lava-test-raise 'mkfs.ext4
>>> /dev/disk/by-id/ata-SanDisk_SSD_PLUS_120GB_190702A00D84 failed; job
>>> exit'
>
> The reported issue is now noticed on the Linux mainline master branch.
>
> 1)
> I see following config is missing on latest problematic builds
> - CONFIG_HAVE_PATA_PLATFORM=y
>
> 2)
> Following ahci sata kernel message are missing on problematic boots,
> [ 1.408660] ahci 4a140000.sata: forcing port_map 0x0 -> 0x1
> [ 1.408691] ahci 4a140000.sata: AHCI 0001.0300 32 slots 1 ports 3
> Gbps 0x1 impl platform mode
> [ 1.408721] ahci 4a140000.sata: flags: 64bit ncq sntf pm led clo
> only pmp pio slum part ccc apst
> [ 1.409820] scsi host0: ahci
> [ 1.410064] ata1: SATA max UDMA/133 mmio [mem
> 0x4a140000-0x4a1410ff] port 0x100 irq 98

The proper driver for this board is not being loaded I think, or not
builtin. What is the compat string in the device tree for this ahci
adapter ? What driver does it need ? I quickly tried to google that info
but did not find any details.

> 3)
> GOOD: 9d84bb40bcb30a7fa16f33baa967aeb9953dda78
> BAD: e08466a7c00733a501d3c5328d29ec974478d717

What are these ? "git show" says they are drm and rdma pull request merge
from Linus...

> 4)
> Here i am adding links working and not working test jobs and kernel configs,
> problematic test job:
> - https://lkft.validation.linaro.org/scheduler/job/5641407#L2602
> Good test job:
> - https://lkft.validation.linaro.org/scheduler/job/5640672#L2198

Hard to read... Can you send a diff of the kernel configs ?

> 5)
> metadata:
> git_ref: master
> git_repo: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline
> git_sha: e08466a7c00733a501d3c5328d29ec974478d717
> git_describe: v6.0-7220-ge08466a7c007
> kernel_version: 6.0.0
> kernel-config: https://builds.tuxbuild.com/2Fourpiqf1OrlPFFtKwhHV0wAiq/config
> build-url: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline/-/pipelines/661424896
> artifact-location: https://builds.tuxbuild.com/2Fourpiqf1OrlPFFtKwhHV0wAiq
> toolchain: gcc-10
>
>
> 6)
> For your information,
> --
> I see diff on good to bad commits,
> $ git log --oneline 9d84bb40bcb3..e08466a7c007 -- drivers/ata
> 4078aa685097 Merge tag 'ata-6.1-rc1' of
> git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
> 71d7b6e51ad3 ata: libata-eh: avoid needless hard reset when revalidating link
> e3b1fff6c051 ata: libata: drop superfluous ata_eh_analyze_tf() parameter
> b46c760e11c8 ata: libata: drop superfluous ata_eh_request_sense() parameter
> cb6e73aaadff ata: libata-eh: Remove the unneeded result variable
> ecf8322f464d ata: ahci_st: Enable compile test
> 2d29dd108c78 ata: ahci_st: Fix compilation warning
> 9628711aa649 ata: ahci-dwc: Add Baikal-T1 AHCI SATA interface support
> bc7af9100fa8 ata: ahci-dwc: Add platform-specific quirks support
> 33629d35090f ata: ahci: Add DWC AHCI SATA controller support
> 6ce73f3a6fc0 ata: libahci_platform: Add function returning a clock-handle by id
> 18ee7c49f75b ata: ahci: Introduce firmware-specific caps initialization
> 7cbbfbe01a72 ata: ahci: Convert __ahci_port_base to accepting hpriv as arguments
> fad64dc06579 ata: libahci: Don't read AHCI version twice in the
> save-config method
> 88589772e80c ata: libahci: Discard redundant force_port_map parameter
> eb7cae0b6afd ata: libahci: Extend port-cmd flags set with port capabilities
> f67f12ff57bc ata: libahci_platform: Introduce reset
> assertion/deassertion methods
> 3f74cd046fbe ata: libahci_platform: Parse ports-implemented property
> in resources getter
> 3c132ea6508b ata: libahci_platform: Sanity check the DT child nodes number
> e28b3abf8020 ata: libahci_platform: Convert to using devm bulk clocks API
> 82d437e6dcb1 ata: libahci_platform: Convert to using platform
> devm-ioremap methods
> d3243965f24a ata: make PATA_PLATFORM selectable only for suitable architectures
> 3ebe59a54111 ata: clean up how architectures enable PATA_PLATFORM and
> PATA_OF_PLATFORM
> 55d5ba550535 ata: libata-core: Check errors in sata_print_link_status()
> 03070458d700 ata: libata-sff: Fix double word in comments
> 0b2436d3d25f ata: pata_macio: Remove unneeded word in comments
> 024811a2da45 ata: libata-core: Simplify ata_dev_set_xfermode()
> 066de3b9d93b ata: libata-core: Simplify ata_build_rw_tf()
> e00923c59e68 ata: libata: Rename ATA_DFLAG_NCQ_PRIO_ENABLE
> 614065aba704 ata: libata-core: remove redundant err_mask variable
> fee6073051c3 ata: ahci: Do not check ACPI_FADT_LOW_POWER_S0
> 99ad3f9f829f ata: libata-core: improve parameter names for ata_dev_set_feature()
> 16169fb78182 ata: libata-core: Print timeout value when internal command times

I do not understand what you are trying to say here. These are the latest
ata patches for 6.1. They touch different drivers and ata core.
I still do not know which driver needs to be used on that board...

>>> Test log:
>>> - https://lkft.validation.linaro.org/scheduler/job/5634743#L2580
>>>
>>> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
>>>
>>> metadata:
>>> git_ref: master
>>> git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
>>> git_sha: 7da9fed0474b4cd46055dd92d55c42faf32c19ac
>>> git_describe: next-20221006
>>> kernel_version: 6.0.0
>>> kernel-config: https://builds.tuxbuild.com/2FkkkZ51ZYhBL1G8D69YX8Pkt5F/config
>>> build-url: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/pipelines/659754170
>>> artifact-location: https://builds.tuxbuild.com/2FkkkZ51ZYhBL1G8D69YX8Pkt5F
>>> toolchain: gcc-10
>
> 7)
>> The kernel messages that are shown in the links above do not show any "libata
>> version 3.00 loaded." message nor any ata/ahci message that I can see. So I
>> think the eSATA adapter is not even being detected and libata/ahci driver not used.
>>
>> Was this working before ? If yes, can you try with the following patches reverted ?
>>
>> d3243965f24a ("ata: make PATA_PLATFORM selectable only for suitable architectures")
>> 3ebe59a54111 ("ata: clean up how architectures enable PATA_PLATFORM and
>> PATA_OF_PLATFORM")
>
> I have reverted above two patches and but the problem has not been solved.

OK.

>
> 8)
>> If reverting these patches restores the eSATA port on this board, then you need
>> to fix the defconfig for that board.
>
> OTOH,
> Anders, enabled the new config CONFIG_AHCI_DWC=y and tried but the
> device failed to boot.

Why would you need to enable this new driver ? You board was working
before without this new driver, so it is not the one to use for this
board, right ? Please send the ata related bits of the device tree to
understand what this board needs.

--
Damien Le Moal
Western Digital Research

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