[prev in list] [next in list] [prev in thread] [next in thread] 

List:       acpi4linux
Subject:    [ACPI] Re: [Swsusp] Re: kacpid + swsusp
From:       Florent Chabaud <fchabaud () free ! fr>
Date:       2002-05-29 10:59:25
[Download RAW message or body]

En réponse à Juliusz Chroboczek <jch@pps.jussieu.fr>:

> > > Now I'm not very good at finding my way in the Linux sources, by I
> > > cannot see a place where the device's buffer is flushed.  Either
> I'm
> > > missing something (which is not unlikely), or else we're
> potentially
> > > losing bits at every shutdown.
> 
> > Er ? which device ? 
> 
> IDE disk.  (Pro memoria: with 2.4.18 + ACPI 20020404 + swsusp 5, on
> the Presario 711 EA, the swsusp data never hits the disk unless you
> hdparm -W 0 it before suspending.)
> 

-W 0 disables cache from the disk. Maybe we should force the disk to write before \
halting the machine or else... mdelay 1000 as said before :) I'll have a look.

And what about -d 0 ?


Florent Chabaud || http://fchabaud.free.fr

_______________________________________________________________

Don't miss the 2002 Sprint PCS Application Developer's Conference
August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm

_______________________________________________
Acpi-devel mailing list
Acpi-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/acpi-devel


[prev in list] [next in list] [prev in thread] [next in thread]