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From: Scott Long <scottl@FreeBSD.org>
Date: Fri, 13 Feb 2009 10:04:59 +0000 (UTC)
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Subject: cvs commit: src/sys/cam cam_xpt.c
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scottl      2009-02-13 10:04:59 UTC

  FreeBSD src repository

  Modified files:
    sys/cam              cam_xpt.c 
  Log:
  SVN rev 188570 on 2009-02-13 10:04:59Z by scottl
  
  In the case that the probe has determined that it can't query the device for
  a serial number, fall through to the next case so that initial negotiation
  still happens.  Without this, devices were showing up with only 1 available
  tag opening, leading to observations of very poor I/O performance.
  
  This should fix problems reported with VMWare Fusion and ESX.  Early
  generation MPT-SAS controllers with SATA disks might also be affected.
  HP CISS controllers are also likely affected, as are many other
  pseudo-scsi disk subsystems.
  
  Revision  Changes    Path
  1.210     +3 -4      src/sys/cam/cam_xpt.c