Witness output

[David Reid]

Aug 27 17:27:44 draak kernel: lock order reversal
Aug 27 17:27:44 draak kernel: 1st 0xffffff007b7dea80 pcm0:play:0 (pcm
play channel) @ /usr/src/sys/dev/sound/pcm/channel.c:1134
Aug 27 17:27:44 draak kernel: 2nd 0xffffffff806e3080 kernel environment
(kernel environment) @ /usr/src/sys/kern/subr_hints.c:117
Aug 27 17:27:44 draak kernel: KDB: stack backtrace:
Aug 27 17:27:44 draak kernel: witness_checkorder() at
witness_checkorder+0x4af
Aug 27 17:27:44 draak kernel: _sx_slock() at _sx_slock+0x4d
Aug 27 17:27:44 draak kernel: res_find() at res_find+0x41a
Aug 27 17:27:44 draak kernel: resource_find() at resource_find+0x7e
Aug 27 17:27:44 draak kernel: resource_int_value() at
resource_int_value+0x63
Aug 27 17:27:44 draak kernel: vchan_create() at vchan_create+0x2d8
Aug 27 17:27:44 draak kernel: sysctl_hw_snd_maxautovchans() at
sysctl_hw_snd_maxautovchans+0x1b4
Aug 27 17:27:44 draak kernel: sysctl_root() at sysctl_root+0xa0
Aug 27 17:27:44 draak kernel: userland_sysctl() at userland_sysctl+0x11c
Aug 27 17:27:44 draak kernel: __sysctl() at __sysctl+0xcd
Aug 27 17:27:44 draak kernel: syscall() at syscall+0x4b2
Aug 27 17:27:44 draak kernel: Xfast_syscall() at Xfast_syscall+0xa8
Aug 27 17:27:44 draak kernel: --- syscall (202, FreeBSD ELF64,
__sysctl), rip = 0x8006daa5c, rsp = 0x7fffffffe518, rbp = 0x3 ---

Is it worth reporting these when they occur and if it is, is this the
correct place?

david