RE: Hyperthreading problem with IRQ handling and scheduling

2011-03-03 Thread Sven Groot
ding the kernel will resolve this as well. Thanks, Sven -Original Message- From: Stan Hoeppner [mailto:s...@hardwarefreak.com] Sent: vrijdag 4 maart 2011 16:10 To: debian-user@lists.debian.org Subject: Re: Hyperthreading problem with IRQ handling and scheduling Sven Groot put forth on 3/3/2

Hyperthreading problem with IRQ handling and scheduling

2011-03-03 Thread Sven Groot
Hello all, I am using a cluster of machines running Debian 5.0.4, kernel 2.6.26-2-amd64. These machines have dual Intel Xeon E5530 2.4GHz CPUs, which are quad-core CPUs with hyperthreading. So that means each machine has 8 physical CPUs and a total of 16 logical CPUs. I have run into an app

Hyperthreading problem with IRQ handling and scheduling

2011-03-03 Thread Sven Groot
Hello all, I am using a cluster of machines running Debian 5.0.4, kernel 2.6.26-2-amd64. These machines have dual Intel Xeon E5530 2.4GHz CPUs, which are quad-core CPUs with hyperthreading. So that means each machine has 8 physical CPUs and a total of 16 logical CPUs. I have run into an app