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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Mon, 10 Jan 2011 17:45:09 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/bge if_bge.c
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yongari     2011-01-10 17:45:09 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/bge          if_bge.c 
  Log:
  SVN rev 217226 on 2011-01-10 17:45:09Z by yongari
  
  Apply DMA address space restriction to controllers that have 4GB
  DMA boundary bug and runs with PCI-X mode.  watchdog timeout was
  observed on BCM5704 which lives behind certain PCI-X bridge(e.g.
  AMD 8131 PCI-X bridge).  It's still not clear whether the root
  cause came from that PCI-X bridge or not. The watchdog timeout
  indicates the issue is in TX path. If the bridge reorders TX
  mailbox write accesses it would generate all kinds of problems but
  I'm not sure.  This should be revisited.
  
  Tested by:      Michael L. Squires (mikes <> siralan dot org)
  
  Revision  Changes    Path
  1.339     +11 -1     src/sys/dev/bge/if_bge.c