kern/41183: tmpfs assertion "de" failed

[yamt%mwd.biglobe.ne.jp@localhost]

>Number:         41183
>Category:       kern
>Synopsis:       tmpfs assertion "de" failed
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Apr 10 07:25:00 +0000 2009
>Originator:     YAMAMOTO Takashi <yamt%mwd.biglobe.ne.jp@localhost>
>Release:        NetBSD 5.99.10
>Organization:

>Environment:
System: NetBSD kaeru 5.99.10
Architecture: i386
Machine: i386
>Description:
        i got the following during ./build.sh -j128 with tmpfs /tmp.

% ident netbsd|grep tmpfs
     $NetBSD: tmpfs_fifoops.c,v 1.8 2008/06/19 23:57:22 skd Exp $
     $NetBSD: tmpfs_pool.c,v 1.14 2008/04/28 20:24:02 martin Exp $
     $NetBSD: tmpfs_specops.c,v 1.9 2008/06/20 00:07:47 skd Exp $
     $NetBSD: tmpfs_subr.c,v 1.49 2009/04/10 03:40:05 yamt Exp $
     $NetBSD: tmpfs_vfsops.c,v 1.44 2008/07/29 09:10:09 pooka Exp $
     $NetBSD: tmpfs_vnops.c,v 1.56 2009/04/05 15:10:41 pooka Exp $

panic: kernel diagnostic assertion "de" failed: file 
"/siro/nbsd/src/sys/fs/tmpfs/tmpfs_vnops.c", line 655
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c017b9f4 cs 8 eflags 246 cr2 bbbea01c ilevel 0
Stopped in pid 21387.1 (nbmake) at      netbsd:breakpoint+0x4:  popl    %ebp
db{1}> t
breakpoint(c054a8eb,d9cf1be8,d7236040,d84788d4,d9cf1cb8,8,d9cf1cb8,3,0,c0425820)
 at netbsd:breakpoint+0x4
panic(c0597c24,c053b9e2,c0561c22,c0580550,28f,db3bd5d0,d9cf1c3c,c042bf48,c053b9e
2,c0580550) at netbsd:panic+0x1c9
__kernassert(c053b9e2,c0580550,28f,c0561c22,0,0,c014,d7fcf730,d9cf1cb8,d7fdaf50)
 at netbsd:__kernassert+0x39
tmpfs_remove(d9cf1c58,bfbfd5c8,7c,c03f798a,f,c0535c40,d7fcf730,db3bd5d0,d9cf1cb8
,db3bd5d0) at netbsd:tmpfs_remove+0x2d8
VOP_REMOVE(d7fcf730,db3bd5d0,d9cf1cb8,49deeae9,0,fcc2d28,49deeae9,bfbfd6ac,0,0) 
a
t netbsd:VOP_REMOVE+0x6c
do_sys_unlink(bfbfd6ac,0,d9cf1d28,d9cf1d40,c03746c0,db4f5ae4,d9be2db4,bfbfd6ac,b
fbfd5c8,49deeae9) at netbsd:do_sys_unlink+0x95
syscall(d9cf1d48,b3,ab,1f,1f,bfbfd6bc,33,bfbfd648,bfbfd6ac,0) at netbsd:syscall+
0xcb
db{1}> 
>How-To-Repeat:
        
>Fix:
        

>Unformatted: