[CentOS] Problems with motherboard support? INTEL DP43BF

Tue Dec 28 05:09:50 UTC 2010
robert mena <robert.mena at gmail.com>

Hi John,

Regular realtek fast ethernet.  Each one connected to a broadband modem (1
Mbps each) so I do not think this should be a bus saturation.

I do not think this is a thermal problem due to the lack of messages (I got
this problem in the past with a different machine and I got those
overheating message - with the throttle but I'll investigate further.

I'll remove the gui mode to try to catch those errors.

On Mon, Dec 27, 2010 at 5:19 PM, John R Pierce <pierce at hogranch.com> wrote:
> thats a desktop board, right?  so it probably doesn't have ECC or any of
> the other system integrity features of a server board, nor do they
> usually have the IO bus bandwidth to handle substantial IO workloads.
> PCI bus errors are not a good thing at all, either.  you have 5 ethernet
> adapters in use?   what sort of Ethernet controller?   I believe those
> PCI Bus errors are being reported by your ethernet adapters, and could
> be the result of excess bus contention.  a single gigE can way more than
> saturate a 32bit 33Mhz PCI (parallel) bus.  All the PCI slots on a
> desktop board like you have are on the same bus and contend for the same
> bandwidth.
> Also, as mentioned thermal problems are a definite possibility, although
> Intel CPUs tend to self-throttle if they get too hot, the Chipset might
> not be that good at it (eg, watch the chipset and memory temperature as
> well as the CPU).    Another possible cause would be silent memory
> corruption although that would be more likely to cause a kernel fault
> ("Fatal kernel error - system halted") however if your display is in a
> GUI mode, you won't see this unless the console is directed to a serial
> port which is being monitored.
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