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. > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20101228/0d988b78/attachment-0005.html>