Re: aic94xx driver woes

[Douglas Gilbert <dougg@torque.net>]

James Bottomley wrote:
> On Sun, 2007-04-01 at 16:29 -0400, Douglas Gilbert wrote:
>> ...
>> sas: phy3 added to port0, phy_mask:0x8
>> sas: DOING DISCOVERY on port 0, pid:2110
>> aic94xx: scb:0x80 timed out
> 
> This might be the problem.
> 
> I see this periodically when a phy goes out to lunch on my system ...
> with me, it always seems to be phy0 of a port containing phy0-4 ... so
> phy1-3 still function to get messages.
> 
> Can you try sending a link reset to phy3?
> 
> It should be something like
> 
> echo 1 > /sys/class/sas_phy/phy-X:3/link_reset
> 
> and see if it just produces 
> 
> aic94xx: scb:0x80 timed out

Yes it does.

> Again?

It is repeatable.

Also when I connect to phy 0 it works (both direct
connect and expander). However phys 1 and 2 react
like phy 3 shown above.

Doug Gilbert