still mbuf leak in 9.0 / 9.1?

[Steven Hartland]

----- Original Message ----- 
From: "dennis berger" <db at nipsi.de>
> FreeBSD  9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec  4 09:23:10 UTC 2012
>
> 
>> 3. Regarding this:
>> 
>>>> A clean shutdown isn't possible though. It hangs after vnode
>>>> cleaning, normally you would see detaching of usb devices here, or
>>>> other devices maybe?
>> 
>> Please don't conflate this with your above issue.  This is almost
>> certainly unrelated.  Please start a new thread about that if desired.
>
> Maybe this is a misunderstanding normally this system will shutdown cleanly, of course.
> This hang only appears after the network problem above.

If this is a ZFS system, its a known issue which is fixed in current,
stable-9, stable-8 and the upcoming 8.4 release.

If not and you have USB devices see if the following sysctl helps:
hw.usb.no_shutdown_wait=1

    Regards
    Steve

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