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Re: kern/46592: lib/libc/sys/t_mmap cause kernel panic

The following reply was made to PR kern/46592; it has been noted by GNATS.

From: David Holland <>
Subject: Re: kern/46592: lib/libc/sys/t_mmap cause kernel panic
Date: Wed, 13 Jun 2012 18:48:06 +0000

 On Tue, Jun 12, 2012 at 10:30:05AM +0000, Manuel Bouyer wrote:
  >  >  >     mmap_block: panic: kernel diagnostic assertion "vp == 
vp->v_specnode->sn_dev->sd_bdevvp" failed: file 
"/home/builds/ab/HEAD/src/sys/miscfs/specfs/spec_vnops.c", line 891 
  >  >  
  >  >  Note that these do not seem to be reproducable when running NetBSD/i386 
  >  >  NetBSD/amd64 - but only with XEN.
  >  I'm not sure what the difference would be between native and Xen.
  >  Could it be that a module is not built with DIAGNOSTIC ? Xen doesn't
  >  use modules.
 specfs isn't a module. (And shouldn't be.)
 David A. Holland

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