linux-kernel - Re: possible esata regression in 2.6.35

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Date:	Wed, 25 Aug 2010 21:00:38 +0200
From:	Maciej Rutecki <maciej.rutecki@...il.com>
To:	Nicolas Jungers <nicolas@...gers.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: possible esata regression in 2.6.35

On sobota, 21 sierpnia 2010 o 20:52:32 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
> ata2.00: hard resetting link
> ata2.01: hard resetting link
> ata2.02: hard resetting link
> ata2.03: hard resetting link
> ata2.04: hard resetting link
> ata2.05: hard resetting link
> ata2.00: qc timeout (cmd 0xec)
> ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> ata2.15: hard resetting link
> ata2.15: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
> ata2.00: hard resetting link
> ata2.01: hard resetting link
> ata2.02: hard resetting link
> ata2.04: hard resetting link
> ata2.05: hard resetting link
> ata2.00: qc timeout (cmd 0xec)
> ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> ata2.15: hard resetting link
> ata2.15: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
> ata2.00: hard resetting link
> ata2.01: hard resetting link
> ata2.02: hard resetting link
> ata2.03: hard resetting link
> ata2.04: hard resetting link
> ata2.05: hard resetting link
> ata2.00: qc timeout (cmd 0xec)
> ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> ata2.00: failed to recover link after 3 tries, disabling
> ata2.15: hard resetting link
> ata2.15: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
> 

I created a Bugzilla entry at 
https://bugzilla.kernel.org/show_bug.cgi?id=17071
for your bug report, please add your address to the CC list in there, thanks!

-- 
Maciej Rutecki
http://www.maciek.unixy.pl
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