Re: [PATCH v4] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives

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su 11.5.2025 klo 22.18 Niklas Cassel (cassel@xxxxxxxxxx) kirjoitti:

> Ok, I see were things went wrong now.
> Damien asked for the good output for 6.8,
> rather than the good output for 6.14.5, when you plugged the drive in to a port that was working.
> Basically, we wanted to compare the good 6.14.5 output with the bad 6.14.5 output, especially the lpm-pol output.

Okay now I get what you were saying and it makes sense!

> Tomorrow, I will send a patch that will print, per port, if BIOS has marked the port as external/ hotplug capable or not. (Because right now, when we see lpm-pol 0, we don't know if it is because of BIOS settings or Kconfigs).

I don't think it helps as with vanilla 6.14.5 and my good SATA I seem
to remember lpm-pol is 3 but I will check.

Best regards,
Mikko




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