Re: possible esata regression in 2.6.35

[Jeff Garzik <jeff@garzik.org>]

On 08/21/2010 02:52 PM, Nicolas Jungers wrote:
> My arm box doesn't succeed to use my esata port multiplier (addonics
> sil3726 based). It was working well with 2.6.34.1 and 2.6.34.4 but not
> with both 2.6.35.2 and 2.6.35.3. I haven't test other kernels.
>
> The kernels are from http://sheeva.with-linux.com/sheeva/ with for
> example the following config
> http://sheeva.with-linux.com/sheeva/2.6.35.3/sheeva-2.6.35.3.config
>
> The symptoms are in the console a loop on the esata links. Here is the
> start of it:
>
> ata2: exception Emask 0x10 SAct 0x0 SErr 0x4010000 action 0xe frozen
> ata2: edma_err_cause=00000010 pp_flags=00000000, dev connect
> ata2: SError: { PHYRdyChg DevExch }
> ata2: hard resetting link
> ata2: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
> ata2.15: Port Multiplier 1.1, 0x1095:0x3726 r23, 6 ports, feat 0x1/0x9

Can you post or link to the entire dmesg?

Notably, we need to see the probe messages to determine what SATA chip 
you are using...  From the edma_err_cause config I'd guess sata_mv, but 
more info would be useful.

	Jeff