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[Xen-users] Insert Module Failure


  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Timothy Ficarra <t.ficarra@xxxxxxxxx>
  • Date: Wed, 27 Jan 2010 10:47:41 -0800 (PST)
  • Delivery-date: Wed, 27 Jan 2010 10:48:24 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Within dom0 of Xen 3.0.3 we are trying to instantiate a device driver for a 
Netronome Network Processor Card. The card uses DMA to send packets between the 
host and the card itself. To use the drivers, we append mem=7G memmap=1G$7G to 
the kernel boot command. When attempting to load the module it fails 
immediately after calling si_meminfo() with the error "Failed to Initialize 
Shared Memory".

This seems to be a DMA problem. Any help would be greatly appreciated.

Regards,
T Ficarra


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