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Re: kern/43568: Need to ignore un-responsive ioapic

The following reply was made to PR kern/43568; it has been noted by GNATS.

From: Paul Goyette <>
Subject: Re: kern/43568: Need to ignore un-responsive ioapic
Date: Tue, 5 Apr 2011 04:47:57 -0700 (PDT)

 Has anyone had a chance to look at this PR at all?  This was from a 
 SuperMicro motherboard that reported an ioapic2 which either didn't 
 exist or was totaly disabled in the current (single-socket) config.
 The suggested patch prevented the ioapic from attaching if it didn't 
 report its size/version information correctly;  this is what other BSD's 
 seem to do in similar situations.  The patch lets the SuperMicro board 
 run correctly, and has hadno ill effects on any of my other systems 
 (with various ASUS and XFX motherboards).
 It's not critical to fix this, but I'd at least like to know if there's 
 any hope of me not having to continue with this non-official patch for 
 my home machines.  :)
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