Re: libata EH running when switching VTs

From: Toralf FÃrster
Date: Tue Jan 25 2011 - 04:17:31 EST

Robert Hancock wrote at 02:23:30
> On 01/22/2011 11:31 AM, Toralf FÃrster wrote:
> >>> 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:
> Curious, there seems to be no indication of why EH was triggered,
> doesn't seem to be have been due to an error. Does this also happen in
> single-user mode or with minimal processes running? It's possible that
> userspace is triggering this somehow.

It happens only, when I switch to the VT7 _and_ X is running there.
It dos not happen when switching only between straight consoles like from VT1
to VT2 or so.

BTW I Cc'ed Jens which have a similar problem with his ThinkPad T61:

>Hi Toralf,
>I saw lines similar to yours as well on my T61 during boot. It does not occur
>when switching VTs.
>When I switch VTs as you described I get this in dmesg though:
>[ 491.372673] ata1.00: configured for UDMA/133
>[ 491.372677] ata1: EH complete
>[ 491.680387] EXT4-fs (sda1): re-mounted. Opts: discard,commit=0
>[ 491.683110] EXT4-fs (sda3): re-mounted. Opts: discard,commit=0
>This is with a vanilla 2.6.37

MfG/Kind regards
Toralf FÃrster

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