Re: [REGRESSION][BISECTED] 5.15-rc1: Broken AHCI on NVIDIA ION (MCP79)

[Rui Salvaterra]

On Wed, 6 Oct 2021 at 12:44, Rui Salvaterra <rsalvaterra@xxxxxxxxx> wrote:
>
> Just for the record (and probably stating the obvious), reverting the
> aforementioned commit fixes this system. Running Linux 5.15-rc4, at
> the moment.

However, reverting the commit, while yielding a working system, causes
these errors in the dmesg…

rui@vedder:~$ dmesg | grep ata1
[    0.670087] ata1: SATA max UDMA/133 abar m8192@0xfae76000 port
0xfae76100 irq 30
[    1.009734] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    1.010578] ata1.00: ATA-8: Hitachi HDS721010CLA332, JP4OA3EA, max UDMA/133
[    1.010699] ata1.00: Read log page 0x08 failed, Emask 0x1
[    1.010707] ata1.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 32)
[    1.011777] ata1.00: Read log page 0x08 failed, Emask 0x1
[    1.011791] ata1.00: configured for UDMA/133
rui@vedder:~$

I don't remember seeing those "Read log page 0x08 failed, Emask 0x1"
errors before.

Thanks,
Rui