RatCommander - Slashdot User

Comment XFX is the same (Score 1) 696

by RatCommander on Friday July 25, 2008 @09:11AM (#24333251) Attached to: MoBo Manufacturer Foxconn Refuses To Support Linux

I have an XFX board (with an NVidia 650i chipset) in one of my machines which has a similar problem. It reports the correct ACPI data to Windows (XP and Vista 64), but the ACPI data given to Linux specifies the wrong CPU frequencies.

Disabling speedstep makes the system work fine, but reduces power efficiency and increases heat and noise. I have tried very hard to get XFX to patch the BIOS, but they refuse to believe that it doesn't work. Their argument is "it works on Windows, so it's clearly a Linux bug". Looking at the DSDT shows different data on Linux and Windows, so it's pretty clear to me that the board's BIOS is doing something funny.

I haven't returned the board because it's not a critical problem, but it does annoy me.

Submission + - Replacing atime With relatime in the Kernel (kerneltrap.org)

Submitted by

eldavojohn

on Wednesday August 08, 2007 @09:35AM

eldavojohn writes: "Our friend Jeremy at the Kernal Trap has has dug up some interesting criticism of atime from god himself, Linus Torvalds. As Linus submitted patches to improve relatime he noted: "I cannot over-emphasize how much of a deal it is in practice. Atime updates are by far the biggest IO performance deficiency that Linux has today. Getting rid of atime updates would give us more everyday Linux performance than all the pagecache speedups of the past 10 years, _combined_." And later severely beat atime about the head with a pointed stick: "It's also perhaps the most stupid Unix design idea of all times. Unix is really nice and well done, but think about this a bit: 'For every file that is read from the disk, lets do a ... write to the disk! And, for every file that is already cached and which we read from the cache ... do a write to the disk!" Well, I guess I can expect my Linux machine to become a little bit faster!"

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