2.6.18-1.2189.fc5: Decreased data throughput?

[Dave Jones]

On Thu, Oct 12, 2006 at 10:22:51AM +0200, Mostafa Afgani wrote:
 > On 10/12/06, Dave Jones <davej at redhat.com> wrote:
 > 
 > > Note that this build has a lot of debugging stuff left turned on
 > > whilst its in updates-testing. Soon, I'll do another build which
 > > will have all this disabled.
 > >
 > > Performance testing debug kernels is pretty much a waste of time.
 > 
 > Thanks for letting me know.  I am definitely looking forward to the
 > release version of this kernel.
 > 
 > The dmesg output for the ICH8 sata controller shows:
 > 
 > ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports ? Gbps 0x33 impl SATA mode
 > ahci 0000:00:1f.2: flags: 64bit ilck stag led pmp pio
 > 
 > which I suppose means that it is not detected properly yet and hence
 > ncq is not used. Is it due to a lack of support for the 965/ICH8
 > platform in the kernel?

You mean the '? Gbps' bit ? I have no idea.
Jeff (Cc'd) might have an answer for you on that one.
It *should* be supported just fine. Even the newer i975 works for me
with the ahci driver.

	Dave

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