Ide=nodma is "loosing too many ticks"

[Mark]

I tried this "ide=nodma ide0=dma" but it did not fix my original problem either.

When it says "Falling back to a sane timesource now", what does it fall back to?
Can't I tell it to only use that timesource in the first place?

Thanks,

MARK


> -----Original Message-----
> From: fedora-list-bounces at redhat.com 
> [mailto:fedora-list-bounces at redhat.com] On Behalf Of Mark
> Sent: Thursday, March 31, 2005 12:20 PM
> To: 'For users of Fedora Core releases'
> Subject: RE: Ide=nodma is "loosing too many ticks"
> 
> 
> Is there no easier solution that this?
> 
> > -----Original Message-----
> > From: fedora-list-bounces at redhat.com
> > [mailto:fedora-list-bounces at redhat.com] On Behalf Of Richard Molen
> > Sent: Thursday, March 31, 2005 11:30 AM
> > To: For users of Fedora Core releases
> > Subject: Re: Ide=nodma is "loosing too many ticks"
> > 
> > 
> > 
> > --- Mark <msalists at gmx.net> wrote:
> > > I got the following problem after my FC3 install:
> > > 
> > > Losing too many ticks!
> > > TSC cannot be used as a timesource.
> > > Possible reasons for this are:
> > >   You're running with Speedstep,
> > >   You don't have DMA enabled for your hard disk (see hdparm),
> > >   Incorrect TSC synchronization on an SMP system (see
> > dmesg). Falling
> > > back to a sane timesource now.
> >  
> > Seems I had this problem when compiling a custom kernel for
> > an a7n8x board recently.  hdparm couldn't enable the dma 
> > either.  It finally worked after adding the correct IDE 
> > driver (amd/nforce) for that mobo.  Until I corrected the 
> > problem disk performance was quite poor.
> >  
> > > I have ide=nodma in the boot parameters, since I was not able to
> > > complete the install with that parameter. If I try to take this 
> > > parameter out of the grub.conf, I get the below and the 
> > machine does
> > > not boot:
> > 
> > You may need to compile a custom kernel with the correct
> > driver for your motherboard.  Or perhaps get try an updated kernel.
> > 
> > --
> > Richard Molen
> >  
> > 
> > 
> > 
> > 		
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