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From: Valtteri K. <val...@da...> - 2012-10-05 17:21:53
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Hello, I found this contact information from Linux kernel 3.6.0 sources, so I dont know if this is the right place to inform this, but I already have tried Intel support and it was pointless. Just got bounced from one place to another. I'am using the latest Linux kernel 3.6.0 and Intel desktop motherboard DQ77MK with dual-port 82579LM NIC. I'm having strange high latency / packet loss problem when both of the NIC ports have been enabled in BIOS. If only one port is enabled (the default NIC port with also has Intel AMT). everything works fine, the Intel AMT too. However, if I enable both of the ports I get a high latency and packet loss problems with BOTH of the NIC's, so the IP-address assigned to the Intel AMT port is lagging and also the IP-address assigned to the other port is lagging. Right after reboot the there is no problems, but it will quickly start packetlossing and it gets gradually worse by time. After 2 hours of uptime it becomes nearly unusable. Hardware information: CPU: Intel Core i7-3770 MB: Intel DQ77MK BIOS: latest version 0050 (MKQ7710H.86A) OS: Debian GNU/Linux squeeze with latest Linux kernel 3.6.0 Other notes: PCI-E power management (ASPM) is disabled. Intel AMT is enabled. ACPI is enabled. I have also posted a thread about this to Intel community forums: http://communities.intel.com/thread/32060 I dont know if this is a problem with BIOS or the driver, but I would suspect that this might be a BIOS problem, but it could probably maybe be a driver/IRQ problem also. In case this is a BIOS problem I'am really hoping that someone would have the ability to redirect this problem to the guys who are responsible of the BIOS development of this DQ77MK motherboard, since Intel support seems unable to process this issue, and I dont anymore know who to contact :/ I will gladly answer any guestions reagarding this problem. ---- With best regards, Valtteri Kiviniemi |