No, It could be some time in/after 1999, But how do i get rid of this
message ?
David Cary Hart
<Fedora@xxxxxxxxxxx To: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>
> cc:
Sent by: Subject: Re: apm vs. acpi
fedora-list-bounces
@redhat.com
12/29/2004 02:15 PM
Please respond to
For users of Fedora
Core releases
On Wed, 2004-12-29 at 13:42 -0600, AdabalaP@xxxxxxxxxxxxx wrote:
> I get a message at the time boot from ACPI, which says some thing like
> this;
> ACPI cut-off age=CCYY (~1997) try using ACPI=force
>
> I tried giving the kernel parameter ACPI=force, but his still pop's up ?
>
ACPI vintage is now a kernel parameter. Are you sure that your pre-1997
machine supports ACPI to begin with?
> Thanks.
>
>
>
>
> Ed Hill
> <ed@xxxxxxx> To: For users of
Fedora Core releases <fedora-list@xxxxxxxxxx>
> Sent by: cc:
> fedora-list-bounces Subject: Re: apm vs.
acpi
> @redhat.com
>
>
> 12/29/2004 01:15 PM
> Please respond to
> ed; Please respond
> to For users of
> Fedora Core
> releases
>
>
>
>
>
>
> On Wed, 2004-12-29 at 08:48 -1000, Amy M wrote:
> > All things considered, this fedora-list has become perhaps one of the
> > best forums to learn Linux. Our sincere thanks to those who are
> > gracious enough to donate their time answering questions that sometimes
> > may seem ridiculous.
> >
> > My question now is: From what I have read, it appears that if I want to
> > do suspend to ram, I have to forgo acpi and use apm. Performance-wise,
> > would anyone care to comment on the pros and cons of acpi vis-a-vis
> > apm? Thanks again.
>
> Hi Amy,
>
> I can only relate my FC kernel-2.6 experiences for one laptop, a
> ThinkPad A22p (PIII-900) and they are:
>
> - with very recent kernels (eg. 2.6.9-1.681_FC3) both APM
> and ACPI suspend-to-RAM work
> - with both I often need to unload and then re-load the
> sound kernel modules
> - APM:
> - uses *very* little power when suspended to RAM (lasts
> for many days starting from a full charge)
> - can occasionally have problems with pcmcia (even when
> all cards are removed) so I usually use:
> "/etc/init.d/pcmcia stop ; apm -s"
> and then restart pcmcia after wake-up with:
> "/etc/init.d/pcmcia start"
> - results in lockups about once every 40--50 suspend-
> resume cycles
> - ACPI:
> - has no apparent problems with pcmcia
> - experienced no lockups (in about ~60 cycles)
> - uses a *LOT* (perhaps as much as 10X) more battery
> power while suspended to RAM
> - suspends and resumes very quickly
> - routinely gives a kernel error on wakeup saying
> something about interruptable_sleep() but they seem
> to be harmless
>
> Having done many hundreds of suspend-resume cycles using both APM and
> ACPI, I've decided to stick with APM to reduce the battery usage.
>
> Ed
>
> --
> Edward H. Hill III, PhD
> office: MIT Dept. of EAPS; Rm 54-1424; 77 Massachusetts Ave.
> Cambridge, MA 02139-4307
> emails: eh3@xxxxxxx ed@xxxxxxx
> URLs: http://web.mit.edu/eh3/ http://eh3.com/
> phone: 617-253-0098
> fax: 617-253-4464
>
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>
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