> >the following happens every time after bootup, tested with freshly built
> >2.6.18-rc1-mm2:
> ..
> >ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
> >ata1.00: tag 0 cmd 0xb0 Emask 0x1 stat 0x51 err 0x4 (device error)
> >ata1: EH complete
> ..
>
> Those are S.M.A.R.T. commands.
>
> Either your drive does not support S.M.A.R.T.,
> or you have not enabled it it with smartctl
This drive model surely supports S.M.A.R.T. but maybe support in the
driver is still underway. I just did a
# smartctl --device=ata --smart=on --offlineauto=off --saveauto=on -T permissive /dev/sdb
and this is what I got:
smartctl version 5.36 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF ENABLE/DISABLE COMMANDS SECTION ===
SMART Enabled.
Error SMART Enable Auto-save failed: Input/output error
Smartctl: SMART Enable Attribute Autosave Failed.
SMART Automatic Offline Testing Disabled.
Okay. Most likely your drive doesn't support the autosave features.
Just do "smartctl -d ata -a /dev/sdb" to see what it does support,
and then change the system startup scripts to not issue any unsupported
commands -- that'll get rid of those harmless boot time error messages.
Cheers
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