Problems with ixgbe driver

Hello, I have dual port 10Gb Intel network card on a 2 socket (Xeon X5690) with a total of 12 cores. Hyperthreading is enabled so there are 24 cores. The problem I have is that when other systems send large amount of data the network with the intel ...

Message posted on the June 14th, 2013 - 8:00 AM ET

Bug#712062: Please enable X86_INTEL_PSTATE (P state power scaling driver)

This is an OpenPGP/MIME signed message (RFC 4880 and 3156) enig2MHDUXNHCIKDCDAXLIULC Source: linux Version: 3.9.5-1 Severity: wishlist Please consider enabling X86_INTEL_PSTATE on 3.9 or superior This is a new CPU power scaling driver specially ...

Message posted on the June 12th, 2013 - 01:30 pm ET

Scaling problem with a lot of AF_PACKET sockets on different interfaces

Hello, I have a Linux router with a lot of interfaces (hundreds or thousands of VLANs) and an application that creates AF_PACKET socket per interface and bind()s sockets to interfaces. Each socket has attached BPF filter too. The problem is ...

Message posted on the June 07th, 2013 - 08:10 am ET

[PATCH] ARM: tegra: add basic SecureOS support

Boot loaders on some Tegra devices can be unlocked but do not let the system operate without SecureOS. SecureOS prevents access to some registers and requires the operating system to perform certain operations through Secure Monitor Calls instead of ...

Message posted on the June 06th, 2013 - 03:30 am ET

System slow down from udev

Raphael: Found one commit in your linus-pm cause user space very slow... at least from udev start... bisect to ac212b6980d8d5eda705864fc5a8ecddc6d6eacc is the first bad commit commit ac212b6980d8d5eda705864fc5a8ecddc6d6eacc Author: Rafael J. ...

Message posted on the May 28th, 2013 - 07:40 pm ET

[PATCH v7 0/2] perf: use hrtimer for event multiplexing

The current scheme of using the timer tick was fine for per-thread events. However, it was causing bias issues in system-wide mode (including for uncore PMUs). Event groups would not get their fair share of runtime on the PMU. With tickless kernels, ...

Message posted on the May 27th, 2013 - 08:10 am ET

[ 000/102] 3.9.3-stable review

This is the start of the stable review cycle for the 3.9.3 release. There are 102 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made ...

Message posted on the May 17th, 2013 - 06:30 pm ET

[PATCH 00/11] sysv mqueue: do not hold the ipc lock unnecessarily

This patchset continues the work that began in the sysv ipc semaphore scaling series: https://lkml.org/lkml/2013/3/20/546 Just like semaphores used to be, sysv shared memory and msg queues also abuse the ipc lock, unnecessarily holding it for ...

Message posted on the May 15th, 2013 - 09:20 pm ET

[RFC PATCH 0/2] ARM: Remove any correlation between IPC and BogoMips value

Hi all, This small patch set may look a little over a month late, but there is a serious reason for posting it. When I moved the ARM delay loop over to using the architected timers rather than the CPU spinning loop (which has all the problems ...

Message posted on the May 03rd, 2013 - 01:40 pm ET

[PATCH -tip 1/4] sched: Avoid cputime scaling overflow

Here is patch, which add Linus cputime scaling algorithm to the kernel. This is follow up of commit d9a3c9823a2e6a543eb7807fb3d15d8233817ec5 "sched: Lower chances of cputime scaling overflow" which try to avoid multiplication overflow, ...

Message posted on the April 30th, 2013 - 05:40 am ET

Registering the Debian Logo as our trademark?

Hi all, I have been helping to field trademark inquiries for Debian since late February, and the issue of our Logo has come up a number of times. Currently, our logo is not a registered Trademark, but is considered (and treated by our current ...

Message posted on the April 22nd, 2013 - 04:10 pm ET

[RFC v1 0/1] introduce regulator chain locking scheme

Hi Mark, Liam, All Our target is to reuse common DVFS framework proposed by Mike Turquette in http://lwn.net/Articles/540422/ and cpufreq-cpu0.c for all TI SoC and minimize creation of any TI specific APIs or modules. The common DVFS framework ...

Message posted on the April 15th, 2013 - 09:10 am ET

[Samba] Some Clarification?

Hash: SHA256 Hi All, I've been playing with Samba 4.0.x in the lab for about a week or so, and have figured out a reasonable portion of the required settings to also use the AD server as a Unix server. I do have some additional questions regarding ...

Message posted on the April 12th, 2013 - 11:50 am ET

Poor Windows PC sales could unravel Microsoft

Is Ballmer still smiling? [quote] Microsoft's entire business ultimately rests on PC sales, and PC sales are dwindling globally pretty badly. The knock-on effect to the firm's entire business could be hit in the coming quarters. Poor PC sales mean ...

Message posted on the April 12th, 2013 - 02:49 am ET

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