Re: [2.6.28-rc] Sata soft reset filling log

[Justin Madru]

Tejun Heo wrote:
> > What changes happened between .27 and .28 could've caused this?
> > Anyways, below is what I get now (with your patch), including the
> > frequency of occurrence.
> >     
>
> I have no idea and I'm afraid we'll need a bisection here. :-( Can you
> please try the attached patch?
>
> Thanks.
>
>   

I applied the patch and get the following:

ata2: XXX status=50 after 100 tries
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
ata2.00: ST_FIRST: !(DRQ|ERR|DF)
ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
        cdb 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
        res 50/00:01:00:00:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation)
ata2.00: status: { DRDY }
ata2: soft resetting link
ata2.00: configured for UDMA/33
ata2: EH complete

I tried to git bisect the problem. First time I thought the error was 
between rc2 and rc3,
but the bisect gave inconclusive results because I couldn't tell for 
sure a good commit from a bad.
I tried again with .27 to .28-rc3, but I was unable to bisect because of 
compile errors (in pre-rc1),
and doing git bisect skip, again landed on a commit with compile errors.

Unless you can think of anything else, I'm just going to wait and see if 
a commit in .29 will fix the problem.

Justin Madru
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