Any objections/comments on axing out old ATA stack?

Matthias Andree mandree at
Thu Apr 4 00:19:20 UTC 2013

Am 04.04.2013 01:38, schrieb Jeremy Chadwick:


> While skimming Linux libata code and commits in the past, the only
> glaringly obvious bug/issue I see is with SB600/SB700 chipsets (the
> hardware revision apparently matters) and port multiplier (PMP) support
> and soft resets.
> Are you using a port multiplier?  I doubt it, but I have to ask.

I am not using a PMP as far as I know (unless one is buried on my Asus
M4A78T-E main board). It would seem the drives are directly attached to
the south bridge's SATA ports.

>> Why only my Samsung HDD drive triggers this but not the WD drive, I do
>> not know yet.
> Please provide "gpart show -p ada1" output, both here and in the PR,
> if you could.

=>        63  1953525105    ada1  MBR  (931G)
          63   209714337  ada1s1  freebsd  [active]  (100G)
   209714400         800          - free -  (400k)
   209715200    71680000  ada1s2  ntfs  (34G)
   281395200       15405          - free -  (7.5M)
   281410605   488263545  ada1s3  linux-data  (232G)
   769674150  1183851018          - free -  (564G)


Best regards

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