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

[Martin Husemann <martin%duskware.de@localhost>]

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

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/46592: lib/libc/sys/t_mmap cause kernel panic
Date: Tue, 12 Jun 2012 12:13:45 +0200

 On Tue, Jun 12, 2012 at 10:05:00AM +0000, bouyer%antioche.eu.org@localhost 
wrote:
 > System: NetBSD anita 6.99.7 NetBSD 6.99.7 (XEN3PAE_DOMU) #0: Sat Jun  9 
 > 23:29:25 UTC 2012 
 > builds%b7.netbsd.org@localhost:/home/builds/ab/HEAD/amd64/201206092140Z-obj/home/builds/ab/HEAD/src/sys/arch/amd64/compile/XEN3_DOMU
 >  amd64
 > Architecture: amd64 (but also seen with i386)
 > Machine: amd64
 > >Description:
 >      As shown in automated run reports at:
 >      http://www-soc.lip6.fr/~bouyer/NetBSD-tests/xen/HEAD/
 >      amd64 and i386 kernels have been panicing on a t_mmap test for some
 >      time.
 > lib/libc/sys/t_mmap (332/519): 8 test cases
 >     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 nor
 NetBSD/amd64 - but only with XEN.
 
 Also read PR kern/38889 about the missing parts in specfs.
 
 Martin