Linux has been having power management problems and this is why

Subject: General Tech | June 27, 2011 - 01:49 PM |
Tagged: linux, ASPM, battery

The recent release of the 2.6.38 Linux kernel has lead to many complaints from mobile users who find their battery life noticably reduced.  Phoronix noticed the issue a while back but until now had not completed enough investigation to be able to pinpoint the cause.  With the arrival of a power monitor they are now willing to point a finger at Active-State Power Management for PCI Express and BIOS compatibility as the cause.  While the desktop users enjoy an increase in speed in certain applications that require their PCIe lanes to be going full out, mobile users notice the drain on the battery as the PCIe lanes take as much power as they can whether they need it or not.  For mobile users whose top priority is power savings, it is recommended that you stick with a pre-2.6.35 kernel as there are also power issues related to that build.  Phoronix does offer a possible solution for some users in their article if you do need to use the latest build.

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"Mobile users are urged to seriously consider these results, and possibly even avoid the Natty Narwhal...I hate to say it, especially in an Ubuntu review, but the mobile edge goes to Windows for now...There are also compelling reasons for folks to avoid [Ubuntu 11.04] at all costs. Linux gamers should see substantial improvements, while mobile users suffer a dramatic loss in battery life," were among the critical comments that Tom's Hardware had in their Ubuntu 11.04 review as they were referencing the power regressions I discovered nearly two months ago within the mainline Linux kernel. As I mentioned on Sunday, the Phoronix Test Suite stack and I have now nailed this major power regression in the Linux 2.6.38 kernel that is affecting a significant number of mobile Linux users. Here is what is happening and a way that you should be able to workaround the serious regression should it affect your computer system(s)."

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Source: Phoronix
Author:
Subject: General Tech
Manufacturer: Samsung

Android 2.3 (Gingerbread)

The Nexus S 4G is a Google phone through and through. Following Google’s first hardware venture into the handset market, the Nexus One, this phone is how Google envisions the Gingerbread (Android 2.3) platform. Manufactured by Samsung, the Nexus S originally debuted as a GSM unlocked phone and on T-Mobile in the US earlier this year. Now, for the debut on CDMA networks, Samsung and Sprint have teamed together to add a 4G, WiMAX modem.

IMG_1061.JPG

Because it is a Google tuned experience, the Nexus S 4G software is extremely polished, and provides a great user experience. Being the first phone to ship with Gingerbread, and still being one of the few phones shipping with it at this point in the game, it provides the absolute best small form-factor experience that Android is capable of.

Hit this link to keep reading our review of the Samsung Nexus S...

So... looks like Mozilla is a home-user company. Yep.

Subject: Editorial, General Tech | June 25, 2011 - 02:09 PM |
Tagged: mozilla, enterprise

For enterprise users looking to introduce Firefox to their business: you may wish to reconsider. Businesses are notorious for being substantially behind in version numbers, occasionally (or a lot) trading even security for compatibility. Mozilla had a staggered release schedule: a minor version number was little more than a security update; a major version number was a fairly-large overhaul. Enterprise users were able to upgrade minor version numbers and be reasonably assured that compatibility would be maintained. There were no such assurances for a major version number, thus requiring rigorous testing before applying. Mozilla has ended their policy of supporting back versions with security updates and are also moving between full versions much more rapidly, causing dissension amongst enterprise users.

IE6.png

Moving the world forward, not backwards, and always twirling towards freedom.

Ed Bott took the opportunity to prod Mozilla during his Thursday evening column. He contends that shutting out enterprise will assist in the impending implosion of Firefox and allow Microsoft and Google to pick up the pieces. I seriously disagree with that statement and applaud Mozilla for staying focused on their goal. True, Mozilla will be vastly less attractive to the enterprise; however, if Microsoft did not have Windows and Office to push with Internet Explorer, would search ad revenue and donations cover the long-term development cost incurred supporting enterprise users? And really, I would have thought Ed Bott of all people (ok, except maybe Paul Thurrott) would respect a company that can make a decision like Mozilla just did and stick by it after covering Microsoft for so long.

Source: ZDNet

Thankfully John Isner and Nicolas Mahut's match is not still going

Subject: General Tech | June 24, 2011 - 06:31 PM |
Tagged: friday, forum, eliza effect

Upgrading anything on your PC is great fun but it can also invites great pain into your life as you give the sadistic side of your 'puter a chance to mess with your head.  Even if the upgrade is external, your internet connection for instance, there is still a chance that somewhere, somehow, the PC will find a way to make you miserable.  Here in the the PC Perspective Forums, we don't see this as a reason to leave forehead prints in your desk, we consider it a learning experience, and we do it to ourselves on purpose ... or possibly accidentally?  It is not just PCs ether, our mobile devices are getting smart enough to mess with us as well and the customer support can be worse. 

If you are looking for something more than jsut sharing tech advice, you can blow people away or blow their arguments away.  If you are feeling more altruistic you can Fold@Home and try to save lives or pick up a BOINC project or 12 and contribute to our scientific knowledge.  Then again if you want to be entertained while you learn, we didn't quite make the length of a double podcast but Epsiode 159 of the PC Perspective Podcast runs 1:27:10.

 

 

Intel learns from Sandy Bridge mistakes, but is it enough?

Subject: General Tech, Graphics Cards, Processors | June 24, 2011 - 01:13 PM |
Tagged: linux, Ivy Bridge, Intel

Back when Sandy Bridge launched, Intel had some difficulty with Linux compatibility due to their support software not being available long enough ahead of launch for distribution developers to roll it in to their releases. As a result, users purchasing Sandy Bridge hardware would be in for a frolic in the third-party repositories unless they wished to wait four or five months for their distributions to release their next major version. This time Intel is pushing code out much earlier though questions still remain if they will fully make Ubuntu’s 11.10 release.

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You mean there's Intel... inside me?

Intel came down hard on themselves for their Sandy Bridge support. Jesse Barnes, an open-source Linux developer at Intel, posted on the Phoronix Forums his thoughts on the Sandy Bridge Linux issue:

"No, this is our job, and we blew it for Sandy Bridge. We're supposed to do development well ahead of product release, and make sure distros include the necessary code to get things working … Fortunately we've learned from this and are giving ourselves more time and planning better for Sandy Bridge's successor, Ivy Bridge."

Now, six months later as support for Ivy Bridge is getting released and rolled into their necessary places, Intel appears to be more successful than last time. Much of the code that Intel needs to release for Ivy Bridge is already available and rolled in to the Linux 3.0 kernel. A few features missed the deadline and must be rolled in to Linux 3.1 kernel. While Phoronix believes that Fedora 16 will still be able to roll in support in time it is possible that Ubuntu 11.10 may not unless the back-port the changes to their distribution. That is obviously not something Intel would like to see happen given all their extra effort of recent.

Source: Phoronix

What an odd time to be a .NET programmer

Subject: General Tech | June 24, 2011 - 12:08 PM |
Tagged: .net, longhorn, microsoft, windows, winfx

Way back in the beginning of the 00's, before Win7 was Win7, Microsoft announced the development of a new OS that was named Longhorn.  This was an ambitious plan to move from the old Win32 programming interface to a newcomer called .NET which Microsoft had designed to be an alternative to both Win32 and VisualBasic.  There would still be backwards compatiblity with Win32 apps but no more extensions to the API would be created.  Of course as we know this project never saw the light of day and Win7 remained dependant on the two old, if familiar APIs.

As if that was not bad enough for those programmers who chose .NET for their specialty, a few weeks ago Microsoft gave them another kick when they announced the upcoming Windows 8 OS will utilize HTML5 and JavaScript, not .NET nor even the old pair that programmers are familiar with.  This was not well recieved by those who had spent significant time and money becoming adept programming .NET applications.

Now, in a move that is hard to judge if it is a mean trick or an honest attempt to placate the hoards of fuming .NET programmers, Microsoft has announced that Longhorn is not dead; it was just resting.  Windows 8 will ship with a pair of runtimes, .NET 4.5, and a C++ implemention which will be called WinRT and do everything Win32 could do and more and will work with the new user interface design tool they're calling DirectUI.  Even Silverlight is being integrated into the APIs, which means all that training in Microsoft programming may pay off in the end.  Drop by Ars Technica and decide if this is bull or not.

ars_disturbing_longhorn.jpg

"Early this month, Microsoft dropped something of a bombshell on Windows developers: the new Windows 8 touch-friendly immersive style would use a developer platform not based on .NET, which Microsoft has been championing for the past decade. Instead, it would use HTML5 and JavaScript. Since then, the company has refrained from making any further comment on the issue. In particular, the question that has many Windows developers particularly concerned—how can I make use of my existing skills and experience when developing these new applications?—remains unanswered; the company plans to reveal nothing until its BUILD conference in September."

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Source: Ars Technica

Meet the Medic, Uber Update, and TF2 itself are freed

Subject: General Tech | June 23, 2011 - 11:13 PM |
Tagged: valve, tf2, free to play

All week long Valve has been teasing about their largest content update to date with 8 of the 9 classes getting one to three items each and a new map for the expanded mayhem to rage on. Their tease wrapped up today with the release of a 4 minute cinematic trailer for the game, “Meet the Medic”, which is the first released in over two years. Meet the Medic displays the gruesome and dark nature of the character and shows the historical inception of the Ubercharge to the Team Fortress universe. If you wish to experience the new content but do not own Team Fortress 2 you can simply fire up Steam and get it, forever; Valve has decided to release it for free.

medic1.jpg

Fuhreeeeeeeeeeeeee?

Yes, it is. While Steam sales of days past have placed the price of the game as close to the free territory that a game could reasonably be, Valve has decided to outright waive the entry cost for the game in lieu of optional item micro-transactions. Last September during the Mann-Conomy Update, Valve inserted a system where users can purchase official and community-created content (the creators of each mod receive commission from said transactions) as an alternative of earning it through achievements or receiving them randomly in “drops” as an incentive to play the game. Valve decided that for the length of the game being on the market and for the volume of sales from the item purchase system that it would be no longer necessary to collect money from the game itself.

medic2.jpg

But… shouldn’t he be holding two pistols?

So with the update today: load up your Steam, even if you never had purchased Team Fortress 2 before, and go practice medicine. Do go harm.

Super Fast PCI Express Cable Capable of 32 Gbps Announced By The PCI SIG

Subject: General Tech, Storage | June 23, 2011 - 07:30 PM |
Tagged: thunderbolt, storage, pcie, PCI SIG, Opitical, Intel

Just as Intel is slowly persuading its super fast data interconnect, the PCI Special Interest Group is already introducing their own competing standard in the form of a PCI Express cable that is slated to be capable of a drool-worthy 32Gbps (gigabits per second). Planned to be constructed from copper wire, the cable standard will be launched as part of the PCI Express 3.0 standard and will be able to pipe both data and power through a thin, flattened cable up to 3 meters (9.84 feet) in length.

The PCIe cable is able to achieve this high bandwidth by combining up to four parallel lanes, each capable of 8 Gigatransfers per second (GT/s). Further, it will be able to provide approximately 20 watts of maximum power to peripheral devices. Speedy connectivity to fast SSD based portable hard drives as well as to tablet and smart phone devices for sync, additional touch interface, and external displays are all aims of the PCIe cable. It is squarely aimed to compete with Intel-backed Thunderbolt; however, the PCI SIG has not stated as such, yet. The interest group was quoted by EE Times in saying "There are solutions [like this] in the industry--Thunderbolt is one of them, and some companies are doing own thing,"

 

Intel's Thunderbolt and the PCIe cable will soon enter the Thunderdome to battle for supremacy

The PCIe cable is expected to be ready for peripheral device makers’ integration as early as June 2013. In the future, the cable is likely to be included in the PCI Express 4.0 standard where it will receive an upgrade to 16 GT/s lanes, and from their it will subsequently receive an upgrade to an optical based transmission material.

You can read more about the new PCI Express cable as well as its merits as a open standard (and how that affects Thunderbolt’s proprietary nature) over at EE Times.

Source: EE Times

Part raptor, part mouse, all game

Subject: General Tech | June 23, 2011 - 05:50 PM |
Tagged: raptor-gaming, mouse, input, gaming

The Raptor-Gaming LM2 mouse actually looks unique in a market where several mouse bodies are rebranded and perhaps slightly modified and sold as a unique product.  In theory the use of a 2400dpi optical sensor should help keep the price down and they also completely skipped any sort of control software. That might annoy micromanagers but it will please the plug'n'play crowd.  Hardware Heaven felt that with 5 buttons including the scroll wheel it has enough controls for most usage but the asking price is equivalent to mice with more features and a control suite which is why they recommend you give this mouse a miss.

HH_raptor-gaming-lm3.jpg

"Today we have another new product from Raptor-Gaming, the LM3 gaming mouse. The LM3 is a mid-range gaming mouse offering simple plug and play support and we will find out if it suits the needs of today's demanding gamers."

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PC Perspective Podcast #159 - AMD Llano Notebook Platform, AMD Fusion platform architecture, X79 Rumors, the deal about BAPCo and more!

Subject: General Tech | June 23, 2011 - 02:39 PM |
Tagged: x79, podcast, nvidia, llano, Intel, fusion, APU, amd

PC Perspective Podcast #159 - 6/23/2011

This week we talk about the AMD Llano Notebook Platform, AMD Fusion platform architecture, X79 Rumors, the deal about BAPCo and more!

You can subscribe to us through iTunes and you can still access it directly through the RSS page HERE.

The URL for the podcast is: http://pcper.com/podcast - Share with your friends!

  • iTunes - Subscribe to the podcast directly through the iTunes Store
  • RSS - Subscribe through your regular RSS reader
  • MP3 - Direct download link to the MP3 file

Hosts: Ryan Shrout, Jeremy Hellstrom, Josh Walrath and Allyn Malventano

This Podcast is brought to you by MSI Computer, and their all new Sandy Bridge Motherboards!

Program length: 1:27:10

Program Schedule:

 

  1. 0:00:30 Introduction
  2. 1-888-38-PCPER or podcast@pcper.com
  3. http://pcper.com/podcast
  4. http://twitter.com/ryanshrout and http://twitter.com/pcper
  5. 0:01:50 AMD A-Series Llano APU Sabine Notebook Platform Review
  6. 0:05:00 AMD Fusion System Architecture Overview - Southern Isle GPUs and Beyond
  7. 0:33:24 This Podcast is brought to you by MSI Computer, and their all new Sandy Bridge Motherboards!
  8. 0:34:00 AFDS11: AMD Demonstrates Trinity Powered Notebook
    1. AFDS11: Upcoming Trinity APU will use VLIW4 / Cayman Architecture
  9. 0:35:45 AFDS11: ARM Talks Dark Silicon and Computing Bias at Fusion Summit
  10. 0:41:30 AFDS11: Microsoft Announces C++ AMP, Competitor to OpenCL
  11. 0:45:45 New Rumor Indicates X79 Chipset Will Support Both 1366 and 2011 Sockets
  12. 0:49:49 Microsoft is probably laughing as AMD speculates the unlikelihood of Intel buying NVIDIA
  13. 0:54:45 Larrabee rides again, almost ... meet Knights Corner the new Many Integrated Core design
    1. Intel Hopes For Exaflop Capable Supercomputers Within 10 Years
  14. 0:58:35 What's the big deal with BAPCo? Why Benchmarking Matters
  15. 1:05:20 Crysis 2: Cry Harder (with DX11 and High Res textures)
  16. 1:06:00 *Allyn Show and Tell*
  17. 1:12:45 Quakecon Reminder - http://www.quakecon.org/
  18. 1:13:17 Hardware / Software Pick of the Week
    1. Ryan: https://www.findbigmail.com/
    2. Jeremy: How to Encrypt Your Dropbox Files, at Least until Dropbox Wakes the F* up
    3. Josh: nice combo!  http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.654093.24-176-144
    4. Allyn: Lytro
  19. http://pcper.com/podcast   
  20. http://twitter.com/ryanshrout and http://twitter.com/pcper
  21. 1:25:45 Closing

Source: