Re: kern/23986

[Antti Kantee <pooka%cs.hut.fi@localhost>]

The following reply was made to PR kern/23986; it has been noted by GNATS.

From: Antti Kantee <pooka%cs.hut.fi@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/23986
Date: Tue, 29 Jun 2010 18:21:23 +0300

 The how-to-repeat recipe works in 5.1RC3 (meaning it doesn't panic),
 but is broken again in -current:
 
 mount_union: "Tunion2/A" is a relative path.
 mount_union: using "/root/test/Tunion2/A" instead.
 mount_union: "Tunion" is a relative path.
 mount_union: using "/root/test/Tunion" instead.
 WARNING: the union file system is experimental
 WARNING: it can cause crashes and file system corruption
 mount_union: "Tunion2/B" is a relative path.
 mount_union: using "/root/test/Tunion2/B" instead.
 mount_union: "Tunion" is a relative path.
 mount_union: using "/root/test/Tunion" instead.
 WARNING: the union file system is experimental
 WARNING: it can cause crashes and file system corruption
 Reader / writer lock error: rw_vector_enter: locking against myself
 
 lock address : 0x00000000cb4710e8
 current cpu  :                  0
 current lwp  : 0x00000000cb467d20
 owner/count  : 0x00000000cb467d20 flags    : 0x0000000000000004
 
 panic: lock error
 fatal breakpoint trap in supervisor mode
 trap type 1 code 0 eip c023b884 cs 8 eflags 246 cr2 bbb33160 ilevel 0
 Stopped in pid 368.1 (mount_union) at   netbsd:breakpoint+0x4:  popl    %ebp