On Wed, Jan 31, 2024 at 6:57 AM Niklas Cassel <cassel@xxxxxxxxxx> wrote: > Unfortunately, we don't have any of these laptops that has a Tiger Lake > AHCI controller (with a disappearing drive), so until someone who does > debugs this, I think we are stuck at status quo. I've asked for volunteers to help test things on those original bug reports (and may have one already) and would appreciate any suggested debugging approaches from those more experienced with SATA/AHCI. What would be your first few suggested debugging steps? Non-LPM boot: ata1: SATA max UDMA/133 abar m2048@0x50202000 port 0x50202100 irq 145 ata2: SATA max UDMA/133 abar m2048@0x50202000 port 0x50202180 irq 145 ata2: SATA link down (SStatus 0 SControl 300) ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) LPM failed boot: ata1: SATA max UDMA/133 abar m2048@0x50202000 port 0x50202100 irq 145 ata2: SATA max UDMA/133 abar m2048@0x50202000 port 0x50202180 irq 145 ata1: SATA link down (SStatus 4 SControl 300) ata2: SATA link down (SStatus 4 SControl 300) note SStatus=4 on both ports (means "PHY in offline mode"?) Daniel
