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URL: http://www.kernelfaq.com
Listed in: Linux/Unix
Category rank: 32
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Tags: freebsd network linux kernel solaris unix

Join Date: April 12, 2008
Country: Canada
Language: English

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Technical info on Unix, Linux, FreeBSD, Solaris, OpenSolaris, VMware, Apple Mac OS X, and other Unix variant operating systems, Kernels, Kernel Programming, Device Drivers, Networking, etc.

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Latest Posts on: Kernel FAQs
Retrieved latest 5 posts at: http://www.kernelfaq.com/feeds/posts/default?alt=rss

Solaris: Instances, Device Numbers, Major/Minor Numbers | 16 Nov 2008
What are the definitions of and the relationships between instances, device numbers, minor nodes, major numbers, and minor numbers? "Instance numbers" are part of the "shorthand" name for "dev_info" nodes owned by a particular driver. These nodes are usually associated one-to-one with a particular hardware instanc (more)

How I avoided higher CPU usage by Firefox 3.0.1 | 16 Nov 2008
I use Firefox as a primary browser. I always use the latest available version of Firefox, so the current installed version in my system is 3.0.1. After updating Firefox to 3.0.1, it started to consume more than 95% CPU. That's very bad for any application. I used Process Explorer to get some details about firefox process. I found that the fi (more)

Copying data from Kernel memory space to User memory space | 15 Nov 2008
Use ddi_copyout(9F), which enables us to copy some data in the kernel memory space to our application program. For example, when we want to obtain the configuration data within the device driver, ddi_copyout(9F) is useful. The sample program is shown below. This is the extention of the skelton driver for Character Driver Skelton Program (skel (more)

Forcing a Virtual Adapter to use Promiscuous Mode | 15 Nov 2008
For security reasons, guest operating systems are not normally allowed to set their virtual Ethernet adapters to use promiscuous mode. In some circumstances, you may need to use the virtual Ethernet adapters in promiscuous mode. To enable this use, you must set the PromiscuousAllowed configuration variable to yes. To do so, follow these steps. C (more)

Watchdog Timeouts | 15 Nov 2008
A watchdog reset occurs when a synchronous trap condition occurs with traps disabled. Since traps are disabled, the processor can't take a trap but it can't continue executing either. The chip then enters error mode and logically raises an error_mode signal. This signal is logically wired back to the watchdog_reset_in pin. One commo (more)

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