Re: sata-sil drive detection issues.

[Mark Lord <kernel@teksavvy.com>]

On 11-02-24 05:06 AM, Tejun Heo wrote:
>
>> Near the rear:
>> JMB352 / 0834 LGBA1 A / 370JF3011 - This looks to be hooked up via
>> some capacitors to the DATA data lines on both sockets. If I haven't
>> mentioned before, this is a 2 x SATA drive bay cradle.
> 
> This is the SATA part.
> 
>> A third tiny chip near the JMB352 is:
>> GL850A / MN2FA01G11 / 911SK03111 - Not 100% sure of the function of
>> this chip by following the tracks, but it looks like it might be
>> some kind of a clock source. That is a wild guess though!
> 
> This is USB thingie.
> 
> So, the offending part is JMB352.  Justin, when JMB352 is doing e-SATA
> interface, it's failing IDENTIFY.  sata_sil fails to recognize it and
> ahci (right? Steven) succeeds only after IDENTIFY failures and
> retries.  Any ideas what's going on?  When doing e-SATA, is the chip
> active or passive?  ie. Does it just pass through the signals or do
> some meddling inbetween?


Since this is a dual-SATA device, does it have TWO eSATA ports at the back,
or just one?  If the latter, then I'd expect to find a port-multiplier in the chain.

Cheers