panic in vfs_wapbl.c

[Masanobu SAITOH <msaitoh%execsw.org@localhost>]

 I updated my machine's kernel which was made from 1 hour ago's
-current source. It paniced. It's reproducible.

> /dev/rwd0a: file system is clean; not checking
> panic: kernel diagnostic assertion "!(bp->b_oflags & BO_DELWRI)" failed: file "../../../../kern/vfs_wapbl.c", line 1142
> fatal breakpoint trap in supervisor mode
> trap type 1 code 0 rip 0xffffffff80215455 cs 0x8 rflags 0x246 cr2 0x770e1f2ae190 ilevel 0 rsp 0xfffffe8120956b00
> curlwp 0xfffffe847b8820a0 pid 30.1 lowest kstack 0xfffffe81209532c0
> Stopped in pid 30.1 (mount_ffs) at      netbsd:breakpoint+0x5:  leave
> db{15}> trace
> breakpoint() at netbsd:breakpoint+0x5
> vpanic() at netbsd:vpanic+0x140
> ch_voltag_convert_in() at netbsd:ch_voltag_convert_in
> wapbl_add_buf() at netbsd:wapbl_add_buf+0x133
> bdwrite() at netbsd:bdwrite+0xbd
> bwrite() at netbsd:bwrite+0x95
> ffs_sbupdate() at netbsd:ffs_sbupdate+0x1b9
> ffs_wapbl_start() at netbsd:ffs_wapbl_start+0x177
> ffs_mount() at netbsd:ffs_mount+0x4e9
> VFS_MOUNT() at netbsd:VFS_MOUNT+0x34
> do_sys_mount() at netbsd:do_sys_mount+0x5ee
> sys___mount50() at netbsd:sys___mount50+0x33
> syscall() at netbsd:syscall+0x1ed
> --- syscall (number 410) ---
> 770e1f28989a:
> db{15}>

 At least five days ago's kernel worked without this proble,

--
-----------------------------------------------
                SAITOH Masanobu (msaitoh%execsw.org@localhost
                                 msaitoh%netbsd.org@localhost)