"magic" crashes - mostly solved but

[Benjamin Kaduk]

On Wed, 27 Jun 2012, Wojciech Puchar wrote:

> the reason was most probably of of date vbox and fuse kernel modules.
>
> after making everything in sync system boots successfully with WITNESS, 
> INVARIANT etc. options enabled.
>
> STILL - mostly at booting i'm getting few messages.
>
> first comes when executing /etc/rc.d/named (at mounting devfs IMHO):
>
> Jun 27 18:32:23 foo kernel: lock order reversal:
> Jun 27 18:32:23 foo kernel: 1st 0xffffff80f5859800 bufwait (bufwait) 
> @/usr/src/sys/kern/vfs_bio.c:2636
> Jun 27 18:32:24 foo kernel: Jun 27 18:32:24 foo kernel: 2nd 
> 0xffffff0005c82200 dirhash (dirhash) @/usr/src/sys/ufs/ufs/ufs_dirhash.c:285


http://ipv4.sources.zabbadoz.net/freebsd/lor/261.html

>
>
> few more when mounting or unmounting (i'm not sure) pendrive.
>
> Jun 27 18:57:09 foo kernel: lock order reversal:
> Jun 27 18:57:09 foo kernel: 1st 0xffffff011ec78098 ufs (ufs) @ 
> /usr/src/sys/kern/vfs_lookup.c:504
> Jun 27 18:57:09 foo kernel: 2nd 0xffffff80f5e1bb80 bufwait (bufwait) @ 
> /usr/src/sys/ufs/ffs/ffs_softdep.c:6193
> Jun 27 18:57:09 foo kernel: 3rd 0xffffff011ead3d80 ufs (ufs) @

http://ipv4.sources.zabbadoz.net/freebsd/lor/285.html