Hello all! Niklas following my suggestion Mikko updated his BIOS so some settings may got reverted to default values. Best regards, Ioannis On Sat, 10 May 2025 at 14:59, Niklas Cassel <cassel@xxxxxxxxxx> wrote: > > On Sat, May 10, 2025 at 01:14:52PM +0300, Mikko Juhani Korhonen wrote: > > ke 7.5.2025 klo 11.56 Damien Le Moal (dlemoal@xxxxxxxxxx) kirjoitti: > > > >>>>> On 5/1/25 05:36, Ioannis Barkas wrote: > > > >>> 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 > > > 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. > > > > Hello Damien, > > here is the dmesg from good 6.8.12. Thanks! > > Hello Mikko, > > In the (bad) dmesg that you shared earlier, we saw: > touko 05 09:18:59 taavi kernel: ata1: SATA max UDMA/133 abar > m131072@0xfc580000 port 0xfc580100 irq 42 lpm-pol 3 > touko 05 09:18:59 taavi kernel: ata2: SATA max UDMA/133 abar > m131072@0xfc580000 port 0xfc580180 irq 42 lpm-pol 3 > touko 05 09:18:59 taavi kernel: ata3: SATA max UDMA/133 abar > m131072@0xfc580000 port 0xfc580200 irq 42 lpm-pol 3 > touko 05 09:18:59 taavi kernel: ata4: SATA max UDMA/133 abar > m131072@0xfc580000 port 0xfc580280 irq 42 lpm-pol 3 > touko 05 09:18:59 taavi kernel: ata5: SATA max UDMA/133 abar > m131072@0xfc580000 port 0xfc580300 irq 42 lpm-pol 3 > touko 05 09:18:59 taavi kernel: ata6: SATA max UDMA/133 abar > m131072@0xfc580000 port 0xfc580380 irq 42 lpm-pol 3 > > In this new (good) dmesg we see: > [ 1.839502] ata1: SATA max UDMA/133 abar m131072@0xfc580000 port > 0xfc580100 irq 42 lpm-pol 0 > [ 1.840186] ata2: SATA max UDMA/133 abar m131072@0xfc580000 port > 0xfc580180 irq 42 lpm-pol 0 > [ 1.840859] ata3: SATA max UDMA/133 abar m131072@0xfc580000 port > 0xfc580200 irq 42 lpm-pol 0 > [ 1.841516] ata4: SATA max UDMA/133 abar m131072@0xfc580000 port > 0xfc580280 irq 42 lpm-pol 0 > [ 1.842166] ata5: SATA max UDMA/133 abar m131072@0xfc580000 port > 0xfc580300 irq 42 lpm-pol 0 > [ 1.842804] ata6: SATA max UDMA/133 abar m131072@0xfc580000 port > 0xfc580380 irq 42 lpm-pol 0 > > lpm-pol 0 means "keep firmware settings". > > That we see a difference suggests that the value of the Kconfig > CONFIG_SATA_MOBILE_LPM_POLICY > of these two kernel builds are not the same. > Could you double check this? > > > > It is theoretically possible that both kernels were built with the same > Kconfig value. If your BIOS marks a port as external / hotplug capable, > then libata will force set lpm-pol to 0 (overriding the Kconfig value). > > However, if you haven't changed any BIOS settings between booting your > two different kernels, then this second scenario sounds very unlikely. > > > Kind regards, > Niklas
