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From: Alan Somers <asomers@freebsd.org>
Subject: Re: kern/187015: panic: make_dev_credv: bad si_name (error=17,
 si_name=agpgart)
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The following reply was made to PR kern/187015; it has been noted by GNATS.

From: Alan Somers <asomers@freebsd.org>
To: bug-followup@FreeBSD.org, sem@semmy.ru
Cc:  
Subject: Re: kern/187015: panic: make_dev_credv: bad si_name (error=17, si_name=agpgart)
Date: Thu, 13 Mar 2014 14:12:50 -0600

 It looks like agp_generic_attach is trying to create two device nodes
 both named "/dev/agpgart" with no unit numbers.  That's a no-no, which
 is why you're getting EEXIST (errno 17).  As a workaround, try
 disabling merely one of your two AGP devices.  That will probably fix
 the panic.
 
 The next question is: why do you have two AGP devices?