System hangs during heavy sequential write to mfi device

[Ireneusz Pluta]

John Baldwin pisze:
>
> Hmmm.  You might have a hardware issue.  OTOH, you can try seeing if you have 
> a BIOS option to disable PCIE error logging.
is it one of them?:

Assert NMI on SERR
Assert NMI on PERR

(pdf page 109 of: -> 
http://download.intel.com/support/motherboards/server/s5520hc/sb/e39529013_s5520hc_s5500hcv_s5520hct_tps_r1_9.pdf)


>   If so, turning it off may fix 
> your hangs since as the act of writing the entry to the system event log can 
> take several hundred milliseconds on some machines causing a hang of sorts.  
> If you still get hangs with the option turned off then it seems you have some 
> sort of hardware issue, possibly in the mfi(4) adapter or mainboard.
>
>