linux-kernel - libata EH running when switching VTs

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Message-Id: <201101221625.00775.toralf.foerster@gmx.de>
Date:	Sat, 22 Jan 2011 16:25:00 +0100
From:	Toralf Förster <toralf.foerster@....de>
To:	linux-kernel@...r.kernel.org
Subject: libata EH running when switching VTs

Hello,

Henrique de Moraes Holschuh wrote at 14:11:12
> 
> I don't even know whom to refer you to.  Maybe ask in LKML directly?  Use
> the subject "libata EH running when switching VTs".  If one of those VTs
> are in X.org control, say that as well.

I'm wondering why I get this in /var/log/messages w/ kernel 2.6.37 when I
switch from VT7 (running xorg ) to VT12 (or 1 or 2 or another number) and 
back:


2011-01-22T16:20:53.854+01:00 n22 kernel: ata1: hard resetting link
2011-01-22T16:20:54.163+01:00 n22 kernel: ata1: SATA link up 1.5 Gbps (SStatus 
113 SControl 300)
2011-01-22T16:20:54.164+01:00 n22 kernel: ata1.00: ACPI cmd 
ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
2011-01-22T16:20:54.164+01:00 n22 kernel: ata1.00: ACPI cmd 
f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
2011-01-22T16:20:54.165+01:00 n22 kernel: ata1.00: ACPI cmd 
ef/5f:00:00:00:00:a0 (SET FEATURES) succeeded
2011-01-22T16:20:54.165+01:00 n22 kernel: ata1.00: ACPI cmd 
ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
2011-01-22T16:20:54.169+01:00 n22 kernel: ata1.00: ACPI cmd 
ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
2011-01-22T16:20:54.169+01:00 n22 kernel: ata1.00: ACPI cmd 
f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
2011-01-22T16:20:54.169+01:00 n22 kernel: ata1.00: ACPI cmd 
ef/5f:00:00:00:00:a0 (SET FEATURES) succeeded
2011-01-22T16:20:54.169+01:00 n22 kernel: ata1.00: ACPI cmd 
ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
2011-01-22T16:20:54.170+01:00 n22 kernel: ata1.00: configured for UDMA/100
2011-01-22T16:20:54.171+01:00 n22 kernel: ata1: EH complete


I'm running an almost stable Gentoo on a ThinkPad T400 with current kernel
(2.6.37, earlier shows this behaviour too)

-- 
MfG/Kind regards
Toralf Förster

pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

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