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From: Tejun Heo <tj@kernel.org>
To: Zdenek Kaspar <zkaspar82@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: AHCI: connection status changed + hard resetting link with 2.6.30+
Date: Thu, 09 Jul 2009 07:45:25 +0900	[thread overview]
Message-ID: <4A552185.7090301@kernel.org> (raw)
In-Reply-To: <4A4FD162.30604@gmail.com>

Zdenek Kaspar wrote:
> Hi, when booted latest -stable kernel (2.6.30.1) got this in dmesg:
> 
> [    1.521856] ata8: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xf t4
> [    1.521908] ata8: irq_stat 0x00400040, connection status changed
> [    1.521962] ata8: hard resetting link
> 
> Same result with 2.6.31-rc2, with 2.6.29.6 it works OK.
> 
> Could this cause any trouble ?

Most likely not.  Looks like the device going through an extra PHY
event cycle during initial probing.  I don't recall any change since
2.6.29 which could cause such behavior difference.  Can you please
post the output of "lspci -nn" and full boot log?

Thanks.

-- 
tejun

  reply	other threads:[~2009-07-08 22:45 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-04 22:02 AHCI: connection status changed + hard resetting link with 2.6.30+ Zdenek Kaspar
2009-07-08 22:45 ` Tejun Heo [this message]
2009-07-09  1:23   ` Zdenek Kaspar
2009-07-15  8:49     ` Tejun Heo
2009-07-15 10:20       ` Zdenek Kaspar
2009-07-16  3:47         ` Tejun Heo
2009-07-16 13:47           ` Zdenek Kaspar
2009-07-17  2:30             ` Tejun Heo

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