Re: FYI: BUG in SATA Promise 300 TX4 (2.6.24 - 2.6.27-3) w/Linux

[Brad Campbell]

Mikael Pettersson wrote:
> Tejun Heo writes:
>  > > and NOTE: the card or driver (or both) for the Promise 300 TX4 isn't
>  > > stable for production use -- and has a repeatable problem of timing out
>  > > some drives before it can spin-up from standby (just the drive -- not the
>  > > computer).  The error logically removes the drive from the system until
>  > > the next boot (unplugging, and replugging in the SATA cable on the drive
>  > > would hang the machine within 5 seconds of replugging in the cable).  Not
>  > > an instant, hang as might indicated a HW upset plugging in cable, but a
>  > > couple second delay after plugin -- before keyboard would lock up --
>  > > pointing toward the software trying to re-add+initialize the drive.
>  > 
>  > Some promise controllers seem to suffer transmission problems when
>  > combined with certain drives, which often show up as timeouts.  The
>  > hardreset of sata_promise wasn't as robust as it should have been and
>  > in some cases it wasn't able to recover a link after error condition
>  > causing the system to lose drive after such events.  The hardreset
>  > problem was fixed recently by Mikael Pettersson.  Can you please try
>  > 2.6.28-rc5 and see whether sata_promise still loses drives after
>  > failures?
>  > 
>  > Mikael, I think the hardreset fix is worthy including into -stable.
>  > It should be safe for -stable too, right?
>
> The hardreset fix was included in 2.6.27.5. I wanted it in 2.6.26-stable
> too, but that branch seems to have been closed now.
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Is that likely to do anything for the old SATA150-TX4 ?
I have 2 of them in a machine and I've been dropping drives under write load recently but it was a 
2.6.27.4 kernel.

Reboot required to pick up the drives again (unless the kernel panics and it reboots itself - which 
it's been doing also).

Brad
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