lkml.org 
[lkml]   [2003]   [Oct]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] laptop mode
Barry K. Nathan wrote:
> On Sat, Oct 11, 2003 at 03:59:43PM +0200, Jens Axboe wrote:
>
>>Not very likely, imho. People have been using spin down with hdparm for
>>years (in Linux and elsewhere), while acoustic management is a bit more
>>esoteric.
>
>
> I'm having trouble finding this on Google now, but I've heard rumors
> over the years of old Fireball drives corrupting data if they receive
> write commands too soon after spinning up (i.e., the drive doesn't
> bother waiting to spin up fully first). Maybe I'm not remembering the
> details correctly, but it was something about the drive trying to act on
> commands before it was fully spun up and malfunctioning as a result.


Well, there exists devices which comply with the delayed spin-up part of
ATA/ATAPI specification... maybe our code doesn't cover that. I don't
put much stock in rumors, but they are occasionally clues... :)

Jeff


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:49    [W:0.034 / U:0.144 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site