Re: [coreboot] IMB-A180 Real Time Clock is 20-30% slow (coreboot only, not original AMI BIOS)

2014-11-04 Thread Patrick Georgi via coreboot
Hi Mark, First, Linux rarely uses the real time clock - use the 'hwclock' tool to query it repeatedly and compare that against your stop watch to figure out if RTC is involved. If it isn't: Linux keeps its own system clock which is only once synchronized against RTC. I don't know off-hand what

[coreboot] IMB-A180 Real Time Clock is 20-30% slow (coreboot only, not original AMI BIOS)

2014-11-03 Thread Mark C. Mason via coreboot
We are working with both vanilla Coreboot and Sage's BSP version of Coreboot, and we stumbled upon the fact that the system clock is running 20-30% slow. This does not occur when booting from the original AMI BIOS. We are running both CentOS 6.4 and Ubuntu 14.04 versions of Linux. To