RE: AlphaServer with 4 GB RAM, kernel 2.2.19pre17aa1 patched with big mem... locks for 4 Gbytes, works for 2,6,8 Gbytes

From: Cabaniols, Sebastien (Sebastien.Cabaniols@Compaq.com)
Date: Thu Mar 22 2001 - 10:25:02 EST


It seems that having a Myrinet 2k board plugged into any slot of the second
PCI bus
of the ES40 make the system freeze with 4 GBytes of RAM when doing cat
/proc/pci.

I just plugged the board back into one slot of PCI 0 and it works again.

Why does it work with Tru64 and not with Linux ? I don't know.

Thanks to Andrea Arcangeli for helping me understand there was something
with the second PCI bus.

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Sebastien CABANIOLS
COMPAQ France 
HPTC Engineer
CustomSystems & Solutions  Annecy  
High Performance Technical Computing 
Office No.  +33 (0)4 50 09 44 10
Fax No.  +33 (0)4 50 64 01 39 
Email.   sebastien.cabaniols@compaq.com 
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