File corruption on uploaded files occuring (even under light load)

[Stefan Haglund]

Sorry, should have added that it's in FreeBSD 5.3. Does anyone know if 
there is any way to stress-test the PCI bus (preferably without external 
cards)?

Regards,
Stefan Haglund

> I have an IWILL KK266-R (VIA KT133A/686B) board with an 1.4GHz 
> processor running as a FreeBSD file & web server. The NIC is an Intel 
> EtherExpress PRO/100 (I think it's called, fxp anyway). This board has 
> an AMI RAID controller (CMD 649) onboard, which I use for all four 
> drives (although not in RAID).
>
> My problem:
> Files uploaded to this server are sometimes corrupted. It doesn't have 
> to be under high load, like directly uploading from a computer. It can 
> also occur when I'm downloading from the internet on a computer, and 
> save the file to the server. Another thing that is wierd, is that when 
> the computer is fresh from a boot, there is always a few netstat Oerrs 
> (5-30 I've seen this far) errors occuring when downloading or 
> uploading, and never again.
>
> I have run mprime stresstest for a good while, with no complaints. I 
> have also tried another NIC, and also moving the NIC to other PCI 
> slots. I've tried with kernels without APIC, tried disabling ACPI, and 
> I've also disabled throttling. My friend is running a similar setup on 
> his server, although a KT266A chipset, and no RAID controller 
> (southbridge IDE), and it is solid as a rock.
>
> Anyone have any ideas what might be causing these corruptions? 
> Chipset? NIC? RAID controller?
>
> Regards,
> Stefan Haglund
>
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