Static probing points apparently can also have some performance advantages. By default, wired USB devices are authorized by default to connect, and wireless USB hosts deauthorize by default all new connected devices this is so because they need to do an authentication phase before authorizing. Switch hw checksumming to ethtool configurable. Bluetooth Add support for handling simple eSCO links commit 4. Odds are you have the driver, you need to find out which one, for your card and use the modprobe command to load it.

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Writing 1 to that file authorizes a device to connect, 0 deauthorizes it.

CONFIG_FORCEDETH: Reverse Engineered nForce Ethernet support (EXPERIMENTAL)

There are a kernwl of scenarios where this design harms performance. With this modification, only if root authorizes the device to be configured will then it be possible to use it.

This is true for any kernel. Another feature in the scheduler is Fair Group Scheduling.

maverick nVidia MCP61 Lan driver problem

Add sysfs interface commit SBS: Originally Posted by jkirchner Why did you ,ernel the kernel? It’s an experimental option to achieve an aggressive power-saving. When support for the x AMD architecture was developed, it was decided to develop it as a “fork” of the traditional x86 architecture for comodity reasons.

New drivers Graphics Add the uvesafb driver. It’s relatively easy to trigger those cases. Usually, there’s a global PID namespace for a whole Linux system: Architecture-specific changes x86 EFI boot support: Anti-fragmentation patches You can read this recommended article about the “Anti-fragmentation” feature.

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It is possible your ethernet was supported in a later kernel and not in the older one. For example, if there’s a very slow storage device in the system ex: At present, there are two mutually exclusive mechanisms to group tasks for CPU bandwidth control purpose: The chipset includes hardware support for IDE disk control, Ethernet networking, audio support, win modem support, and a USB controller.

CPU idle is a generic framework for supporting software-controlled idle processor power management. When disabled write “0” to the file then it tells the kernel scheduler that load balancing is not required for the CPUs in that cpuset. LRO combines received tcp packets to a single larger tcp packet and passes them then to the network stack in order to increase performance throughput.

Linux_2_6_24 – Linux Kernel Newbies

This feature allows the kernel to disable timer interrupts for longer, variable periods, saving some power and liux performance, especially in virtual guests. In ext4 with the uninitialized block groups feature, the e2fsck time is constant, based solely on the number of used inodes rather than the total inode count. With the optimization done in 2. Visit Angela Wu’s homepage!

After many out-of-the-tree iterations, mainline Linux is getting support for this feature commitcommit oinux, commit 2. Rebranded LSI 53C commit aic94xx: Drivers In Linux 2. EFI frame buffer driver. When enabled in a cpuset the default value it tells the kernel scheduler that the scheduler should provide the normal load balancing on the CPUs in that cpuset, sometimes moving tasks from one CPU to a second CPU if the second CPU is less loaded and if that task is allowed to run there.

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Add sysfs alarm commit AC: Adding Ethernet to kernel without Network support configured. I found my computer can’t auto capture the mac address.

[PATCH] PCI: nVidia’s MCP61 ethernet card needs quirk for wrongclass

There’s also a global view of the networking stack routing tables and firewall rules, etc. In this release, there are no probing points being included, but many will be certainly included in the future, and some tracking tools like blktrace will probably be ported to this kind of infrastructure in the future.

Share your knowledge at the LQ Wiki. Thats why static probing points are useful, since they can be put directly into the kernel source code and hence they are always in sync with the kernel development.