On 5/6/25 2:09 AM, Mikko Juhani Korhonen wrote: > ma 5.5.2025 klo 18.37 Niklas Cassel (cassel@xxxxxxxxxx) kirjoitti: > >> On Mon, May 05, 2025 at 10:58:22AM +0300, Mikko Juhani Korhonen wrote: >>>>> On 5/1/25 05:36, Ioannis Barkas wrote: >>>>>> It would be better to have more details on this since only the 2TB >>>>>> model is targeted. >>> I have two WD20EFAX-68FB5N0 and both behave consistently, unusable >>> from 6.9.0 on as they just keep resetting the SATA link , but they >>> have worked flawlessly with 6.8.x for a year and also now with the >>> quirk applied. >>> I have also tested a different WDC model with med_power_with_dipm on >>> the same SATA port and there are no problems. >>> But after you guys got suspicious I found there is in fact a SATA port >>> on my motherboard where the WD20EFAX-68FB5N0 works with LPM on >> This motherboard looks to be AMD chipset, so I assume AMD AHCI controller. >> >> Could you send the output of: >> $ lspci -nn | grep -E "SATA|AHCI" > > mjkorhon@taavi:~$ sudo lspci -nn | grep -E "SATA|AHCI" > 01:00.1 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] 500 > Series Chipset SATA Controller [1022:43eb] Mikko, Can you share a dmesg output for the good case with 6.8.x kernel ? We would like to see differences with the non-working case. -- Damien Le Moal Western Digital Research
