Re: [gentoo-user] 3.7.1 SATA errors

[Todd Goodman]

* Florian Philipp <lists@×××××××××××.net> [121225 07:16]:
> Am 23.12.2012 20:23, schrieb felix@×××××××.com:
> >
> > I have since had some time to explore this and find it related to the
> > kernel; 3.6.10 works fine, while 3.7.1 fails.  If I reset during the
> > 3.7.1 boot while it is spewing its error messages, but before the
> > kernel ultimately panics, I can reboot with 3.6.10, but if 3.7.1 goes
> > all the way to the panic, I have to power off and wait a few minutes
> > before a 3.6.10 reboot is succesful.  This is repeatable, but I
> > haven't bothered to see how long the system must be off; "a few
> > minutes" is enough.
> >
> > There are two error messages during the 3.7.1 boot, repeated for all
> > SATA drives:
> >
> > ata5.00: qc timeout (cmd 0x2f) ata5.00: failed to set xfermode
> > (err_mask=0x40)
> >
>
> The code that prints these messages has not been changed since 2011 so I
> guess it is a driver issue. You never posted which driver you use
> exactly and your kernel config enables all. Therefore I cannot look further.
>
> The best way to find out what's wrong is to bisect the kernel, i.e.
> finding the exact commit that caused the issue to appear.
>
> http://wiki.gentoo.org/wiki/Kernel_git-bisect
>
> Unfortunately, there have been 1545 commits between 3.6 and 3.7. With
> blind bisection you need 39 kernels to find the issue. Maybe `git log`
> can give you a hint which commits might be relevant.
>
> Regards,
> Florian Philipp
>

A me too on the problem the original poster is seeing.

I too am seeing this on a server I have.  3.7.0 and 3.7.1 both don't work
but 3.6.10 works fine.

I'm using the sata_mv driver with a SuperMicro (two actually) cards with
Marvell MV88SX6081's.  These chips and their driver have had some issues
in the past.

I also looked for changes in the driver and didn't see any.  Though I
did see some libata changes.

I haven't had time to do a git bisect yet.

Todd