Re: sata_mv on Orion: mv_err_intr when shutting down

[Mark Lord <liml@rtr.ca>]

Frans Pop wrote:
> On Sunday 15 June 2008, Tejun Heo wrote:
>> The interesting thing here is that sata_mv can see the disk going off
>> the power, which is kind of cool.  The controller and CPU are watching
>> itself as it goes off the life support and is drifting awaaaaaayyyy.
>>
>> The PSU has switched off and power to the drive was cut.  I don't think
>> anything can go wrong at that point.
> 
> What I still find most interesting is that with 2.6.25 the extra 
> message(s) do not appear and the poweroff is "clean". And that it affects 
> 2 different systems where one seems to live on just a bit longer than the 
> other. So it does look as if something _has_ changed.
> 
> I'll probably do a bisect to see if I can discover what/where/why...
..

Sure, go for it.

But I think that you will simply discover that,
the sata_mv driver now actually correctly detects/reports most errors,
which it didn't necessarily do in the past.

There were lots of EH bugfixes in sata_mv this time around.

Cheers