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Increasing Automation in the Backporting of Linux Drivers Using Coccinelle
Increasing Automation in the Backporting of Linux Drivers Using Coccinelle Luis R. Rodriguez Julia Lawall Rutgers University/SUSE Labs Sorbonne Universites/Inria/UPMC/LIP6´ [email protected] [email protected] [email protected], [email protected] Abstract—Software is continually evolving, to fix bugs and to a kernel upgrade. Upgrading a kernel may also require add new features. Industry users, however, often value stability, experience to understand what features to enable, disable, or and thus may not be able to update their code base to the tune to meet existing deployment criteria. In the worst case, latest versions. This raises the need to selectively backport new some systems may rely on components that have not yet been features to older software versions. Traditionally, backporting has merged into the mainline Linux kernel, potentially making it been done by cluttering the backported code with preprocessor impossible to upgrade the kernel without cooperation from the directives, to replace behaviors that are unsupported in an earlier version by appropriate workarounds. This approach however component vendor or a slew of partners that need to collaborate involves writing a lot of error-prone backporting code, and results on developing a new productized image for a system. As an in implementations that are hard to read and maintain. We example, development for 802.11n AR9003 chipset support consider this issue in the context of the Linux kernel, for which on the mainline ath9k device driver started on March 20, older versions are in wide use. We present a new backporting 2010 with an early version of the silicon, at which point the strategy that relies on the use of a backporting compatability most recent major release of the Linux kernel was v2.6.32. -
How to Know What Drivers to Download
how to know what drivers to download How do I find the hard drive type and specifications? If you'd like to view detailed information about your hard disk drives, solid-state drives, or external storage devices attached to your computer, we recommend the methods below. System Information in Windows 10. In Windows 10, you can view information about your hardware (including disks) using the System Information utility . To open the System Information utility in Windows 10: Press the Windows key, type System Information , and press Enter . Or, you can use the Run box to open the System Information utility. Press the Windows key + R keyboard shortcut. In the Run box, type msinfo32 . Press Enter or click OK . In the System Information window that opens, in the left window pane, you'll see a list of hardware categories. Expand Components , then Storage . Then, choose Drives , Disks , or any category you'd like to view. Earlier versions of Microsoft Windows. In earlier versions of Microsoft Windows, you can open the System Information utility by following the steps below. Click Start and then click the Programs folder. Click Accessories and then the System Information or System Tools folder. Open the System Information file. In the System Information window, click the + symbol next to Components . Click the + next to Storage and click Drives . In the right-side of the window, you see information about the hard drive including its capacity and serial number. IBM-compatible users. IBM-compatible users can usually enter the computer's BIOS setup to view additional information about their hard drive. -
CGD Compute Infrastructure Upgrade Plan
CGD Compute Infrastructure Upgrade Plan 1.0 Introduction The CGD Information Systems (IS) Group (ISG) is charged with providing a modern, progressive, and stable computing environment for the CGD user community. Scientists, engineers, and support staff should be able to concentrate on their individual duties without worrying about systems administration. The current infrastructure is being redesigned and upgraded to meet this goal. Achieving this on a restricted budget requires careful planning, time for implementation, and communication between the user community and the systems staff. Services provided by infrastructure systems will be distributed to provide ease of recovery, ease of upgrade, and flexibility to meet the growing needs of the Division. Hardware will be reused where possible, and eliminated if beyond reasonable use. Automation of services (software builds, user addition/deletion, etc) will be key to managing the growing demands. 2.0 Future CGD Computing Trends Written surveys from 2001 and meetings with each of the sections have revealed a wide variety of needs, desires, and deficiencies. Each section has a unique set of needs that often do not complement other sections. The one common factor among all sections is that more of everything will be needed to meet the common CGD goals: · More disk space for project data, home directories, and e-mail. · More Linux support to take advantage of the price/performance x86 hardware offers. · More computational processing power for modeling development. · More Microsoft products to support presentation/documentation efforts. · More laptops (MS and Linux) for travel and home use. 3.0 General Problems Computers have a useful life span that averages three years. -
The Ultimate Guide to Software Updates on Embedded Linux Devices
The ultimate guide to software updates on embedded Linux devices foss-north 2018 Mirza Krak Session Overview ● Intro ● Basics ● FOSS ecosystem ○ Strategy ○ Key Features ○ Community 2 Mirza Krak ● FOSS enthusiast ● Board Support Package development ● Linux kernel developer ● Yocto/OE-core ● Disclaimer: Mender community member 3 Embedded Linux Devices @internetofshit 4 Embedded Linux environment ● Remote in some cases ○ No physical access to devices ● Long life span ○ 5-10 years ● Unreliable power supply ○ Power loss at any given time ● Unreliable network ○ Mobile ○ Low bandwidth 5 Why do we need update software? ● Fixing issues (bugs) ● Feature growth ● Security updates 6 Software update on-site ● No connectivity ● Easy access to an device ● USB Flash drive ● Technician 7 Software updates (OTA) ● No easy access to device ● Deployment management server ○ status reports ○ current versions 8 What to we need to update? U-boot Linux + DTB Root file-system (distro) Root file-system (apps) MCU/FPGA 9 Requirements (basic) ● Able to update all components ○ Unsafe to update bootloader ● Never render the device unusable (brick) ○ Fail-safe ● Atomic updates ○ No partial install ● Roll-back ○ Not always possible ● Integrity check ● Signed images ○ Trusted images ● Compatibility check ● Persistent data storage 10 Requirements (basic OTA) ● Secure communication channel ○ Encrypted ● Device Authentication (trust) 11 Alternative approaches ● Image/block based updates ○ Easy to implement, test, verify and maintain ● Incremental atomic image upgrade mechanism -
Using Speccy to Report on Your Computer Components
Using Speccy to Report on Your Computer Components Ronald Ross [email protected] Today we’re going to have a look at what I consider to be a useful Windows reporting utility. I’ll be talking about Speccy, which is put out by Piriform. As is usual for many free software packages, you can also pay for personal and business support, but with Speccy there doesn’t seem to be much need for paid support. You can download both free and supported versions of Speccy at: http://www.piriform.com/speccy We won’t go through the download and install process, since it’s pretty self explanatory after clicking on the link above. Let’s just launch the tool and have a look at what it can show us. We will have a look at the outputs from both Windows XP and also Windows 7 in this document. In the screen shot above, we see summary information for a Windows XP, 32-bit machine. Each of the items listed in the left hand panel can be drilled down into for expanded information. Before we have a more detailed look at some of the components we see summarized, it might be useful to look at some of the general features of Speccy. Above we see that it is possible to take a full snapshot of a machine’s information. This snapshot can be reloaded later by Speccy for analysis, or comparison with some other snapshot. It’s also possible to publish the snapshot to a webpage with the Publish Snapshot… menu choice. -
Consumer Response to Versioning: How Brands Production Methods Affect Perceptions of Unfairness
Consumer Response to Versioning: How Brands’ Production Methods Affect Perceptions of Unfairness ANDREW D. GERSHOFF RAN KIVETZ ANAT KEINAN Marketers often extend product lines by offering limited-capability models that are created by removing or degrading features in existing models. This production method, called versioning, has been lauded because of its ability to increase both consumer and firm welfare. According to rational utility models, consumers weigh benefits relative to their costs in evaluating a product. So the production method should not be relevant. Anecdotal evidence suggests otherwise. Six studies show how the production method of versioning may be perceived as unfair and unethical and lead to decreased purchase intentions for the brand. Building on prior work in fairness, the studies show that this effect is driven by violations of norms and the perceived similarity between the inferior, degraded version of a product and the full-featured model offered by the brand. The idea of Apple gratuitously removing fea- been recommended by economists as a production method tures that would have been actually easier to that benefits both firms and consumers (Deneckere and leave in is downright perplexing. McAfee 1996; Hahn 2006; Varian 2000). Firms benefit by reducing design and production costs and by increasing profits The intentional software crippling stance they have taken with the iPod Touch is disturbing through price discrimination when multiple configurations of at best. (Readers’ responses to iPod Touch re- a product are offered. Consumers benefit because versioning view on www.engadget.com) results in lower prices and makes it possible for many to gain access to products that they might otherwise not be able to afford (Shapiro and Varian 1998; Varian 2000). -
Release 343 Graphics Drivers for Windows, Version 344.48. RN
Release 343 Graphics Drivers for Windows - Version 344.48 RN-W34448-01v02 | September 22, 2014 Windows Vista / Windows 7 / Windows 8 / Windows 8.1 Release Notes TABLE OF CONTENTS 1 Introduction to Release Notes ................................................... 1 Structure of the Document ........................................................ 1 Changes in this Edition ............................................................. 1 2 Release 343 Driver Changes ..................................................... 2 Version 344.48 Highlights .......................................................... 2 What’s New in Version 344.48 ................................................. 3 What’s New in Release 343..................................................... 5 Limitations in This Release ..................................................... 8 Advanced Driver Information ................................................. 10 Changes and Fixed Issues in Version 344.48.................................... 14 Open Issues in Version 344.48.................................................... 15 Windows Vista/Windows 7 32-bit Issues..................................... 15 Windows Vista/Windows 7 64-bit Issues..................................... 15 Windows 8 32-bit Issues........................................................ 17 Windows 8 64-bit Issues........................................................ 17 Windows 8.1 Issues ............................................................. 18 Not NVIDIA Issues.................................................................. -
Oracle Unbreakable Linux: an Overview
Oracle Unbreakable Linux: An Overview An Oracle White Paper September 2010 Oracle Unbreakable Linux: An Overview INTRODUCTION Oracle Unbreakable Linux is a support program that provides enterprises with industry-leading global support for the Linux operating system at significantly lower costs. The support program, which is available for any customer whether or not they’re running Oracle Unbreakable Linux currently includes support for three architectures: x86; x86-64 (e.g. the latest Intel Xeon and AMD Opteron chips, as used by most Linux customers); and Linux Itanium (ia64). The program offers support for any existing Red Hat Enterprise Linux installations and for new installations of Oracle Linux, an open source Linux operating system that is fully compatible— both source and binary—with Red Hat Enterprise Linux. Complete Support for the Complete Software Stack Oracle’s industry-leading support organization offers expertise that looks at the entire application stack running on top of Linux; only Oracle delivers complete support for the complete software stack—database, middleware, applications, management tools, and the operating system itself. By delivering enterprise-class quality support for Linux, Oracle addresses a key enterprise requirement from customers. When problems occur in a large, complex enterprise environment, it’s often impossible to reproduce such occurrences with very simple test cases. Customers need a support vendor who understands their full environment, and has the expertise to diagnose and resolve the problem by drawing from their knowledge of and familiarity with their framework, as opposed to requesting a simple reproducible test case. Another customer demand is for bug fixes to happen in a timely manner, as customers cannot always afford to wait for months to get a fix delivered to them. -
Installing Windows 2016/2019 Drivers
Installing Windows 2016/2019 Drivers • Prerequisite for Installing Windows 2016/2019 Drivers, on page 1 • Installing Windows 2016/2019 Drivers During OS Install, on page 2 • Updating Windows 2016/2019 Drivers, on page 2 Prerequisite for Installing Windows 2016/2019 Drivers Ensure that you adhere to the following best practice for installing the Windows drivers. You must upgrade the infrastructure in the following order before upgrading the drivers. • Upgrade the infrastructure firmware which includes the UCS Manager, the fabric interconnects, and the chassis I/O modules. • Upgrade the server and adapter firmware. Caution Failure to adhere to the proper upgrade sequence can cause the server to crash. Caution The driver installation file modifies certain registry entries, such as the disk timeout value of the system disk driver. Removing the driver does not restore these values. Note Before installing the drivers, the interrupt count should be set to greater than or equal to (2*logical processors + 4) for VIC 14XX adapters. The interrupt value can be rounded up to the nearest second power. For more information on how to set the interrupt field for Ethernet adapter policies in the UCS Manager GUI, refer to the UCSM Network Management Guide. Installing Windows 2016/2019 Drivers 1 Installing Windows 2016/2019 Drivers Installing Windows 2016/2019 Drivers During OS Install Installing Windows 2016/2019 Drivers During OS Install If you are installing Windows on a FC or iSCSI LUN, you must install Cisco VIC drivers for Windows during the OS installation. If you do not provide the drivers during the OS installation, the system is not able to detect the LUN. -
Architecture for Analyzing Potentially Unwanted Applications
Architecture for analyzing Potentially Unwanted Applications Alberto Geniola School of Science Thesis submitted for examination for the degree of Master of Science in Technology. Espoo 10.10.2016 Thesis supervisor: Prof. Tuomas Aura Thesis advisor: M.Sc. Markku Antikainen aalto university abstract of the school of science master’s thesis Author: Alberto Geniola Title: Architecture for analyzing Potentially Unwanted Applications Date: 10.10.2016 Language: English Number of pages: 8+149 Department of Computer Science Professorship: Information security Supervisor: Prof. Tuomas Aura Advisor: M.Sc. Markku Antikainen The spread of potentially unwanted programs (PUP) and its supporting pay par install (PPI) business model have become relevant issues in the IT security area. While PUPs may not be explicitly malicious, they still represent a security hazard. Boosted by PPI companies, PUP software evolves rapidly. Although manual analysis represents the best approach for distinguishing cleanware from PUPs, it is inapplicable to the large amount of PUP installers appearing each day. To challenge this fast evolving phenomenon, automatic analysis tools are required. However, current automated malware analisyis techniques suffer from a number of limitations, such as the inability to click through PUP installation processes. Moreover, many malware analysis automated sandboxes (MSASs) can be detected, by taking advantage of artifacts affecting their virtualization engine. In order to overcome those limitations, we present an architectural design for imple- menting a MSAS mainly targeting PUP analysis. We also provide a cross-platform implementation of the MSAS, capable of running PUP analysis in both virtual and bare metal environments. The developed prototype has proved to be working and was able to automatically analyze more that 480 freeware installers, collected by the three top most ranked freeware websites, such as cnet.com, filehippo.com and softonic.com. -
Recuva Software Free Download Full Version for Windows 8 ->>->>->>
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