Bug#277081: kernel-image-2.6.x-n-x86 fails to compute correct CPU speed 4 out of 5 boots, and USB fails
On Mon, Oct 18, 2004 at 08:34:27AM -0400, William Dudley Jr. wrote:
>
> Package: kernel
> Severity: important
>
> Booting Sony PCG-818 laptop (300MHz Pentium II) with kernel 2.6.x (x <= 7),
> most times BogoMIPS is computed as ~150 which implies ~75MHz processor.
> Sometimes it detects correctly as ~600 BogoMIPS, implying ~300MHz processor.
> I haven't figured out if/how I can force the successful condition.
>
> When speed is incorrectly detected, USB no longer works. Message is:
> "hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad?"
>
> When speed is correctly detected in 2.6.x, then USB works fine.
>
> Kernel 2.4.x seems to report speed incorrectly, but USB works anyway.
>
> Below find dmesg examples from three boot sequences: 2.4.x getting speed
> wrong, 2.6.x getting it wrong, and 2.6.x getting it right.
Could you please see if this problem manifests on the 2.6.8 packages,
2.6.x (x <= 7) is about to be removed from sarge.
--
Horms
Reply to: