-----Original Message-----
From: fedora-list-bounces(a)redhat.com
[mailto:fedora-list-bounces@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(a)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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