Re: kern/49457: 'atactl sleep' loses drive

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Dec 08, 2014 at 09:20:00PM +0000, Hauke Fath wrote:
> The following reply was made to PR kern/49457; it has been noted by GNATS.
> 
> From: Hauke Fath <hauke%Espresso.Rhein-Neckar.DE@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: kern-bug-people%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost
> Subject: Re: kern/49457: 'atactl sleep' loses drive
> Date: Mon, 8 Dec 2014 21:59:03 +0100
> 
>  On Mon,  8 Dec 2014 17:25:00 +0000 (UTC), Manuel Bouyer wrote:
>  > tested on a netbsd-7 host with ahcisata controller here:
>  >  yquem# atactl wd0 checkpower
>  >  Current power status: Active mode
>  >  yquem# atactl wd0 sleep
>  >  yquem# atactl wd0 checkpower
>  >  ATA command timed out
>  >  [this is expected, a drive in sleep doesn't reply to any ATA command - only
>  >  a reset will wake it up]
>  >  yquem# disklabel -r wd0
>  >  [several seconds delay, I can hear the drive spin up]
>  >  # /dev/rwd0d:
>  >  type: unknown
>  >  disk: ST500DM002-1BD1
>  >  label: 
>  >  [...]
>  
>  For the same procedure, I get
>  
>  [hauke@pizza] ~ # atactl wd1 checkpower
>  Current power status: Active mode
>  [hauke@pizza] ~ # atactl wd1 sleep
>  [hauke@pizza] ~ # atactl wd1 checkpower
>  atactl: wd1: Input/output error
>  [hauke@pizza] ~ # disklabel -r wd1
>  disklabel: /dev/rwd1d: Input/output error
>  [hauke@pizza] ~ # 
>  
>  and dmesg says
>  
>  [...]
>  wd1: wd_flushcache: status=0x5128<TIMEOU>
>  wd1: IDENTIFY failed
>  wd1: IDENTIFY failed
>  
>  I remember the "device timeout" line you quoted from netbsd-6, but have 
>  not seen them on netbsd-7.

Still not sure why the wd_flushcache() is there.
What command above triggers which message ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--