HEADSUP new usb code coming in.

Fabian Keil freebsd-listen at fabiankeil.de
Wed Aug 20 21:59:38 UTC 2008

Warner Losh <imp at bsdimp.com> wrote:

> From: Bakul Shah <bakul at bitblocks.com>
> Subject: Re: HEADSUP new usb code coming in. 
> Date: Tue, 19 Aug 2008 14:18:13 -0700
> > On Tue, 19 Aug 2008 22:44:20 +0200 Hans Petter Selasky <hselasky at c2i.net>  wrote:
> > > 
> > > New stuff (all of which I can remember right now):
> > 	...
> > 
> > Accidentally unplugging a mounted USB disk (without
> > unmounting it) resulted in a hang or a crash.  Is this fixed?
> That's fixed in -current right now with the old stack.  It isn't a usb
> issue at all, but a buffer cache issue.

I can't confirm this for either msdosfs or geli (with ZFS).

In case of msdosfs the situation has been vastly improved
and the panic seems to be no longer guaranteed, but there's
still a fair chance it'll happen eventually.

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