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Date:      Sat, 25 Sep 2004 22:54:31 -0700
From:      John-Mark Gurney <gurney_j@resnet.uoregon.edu>
To:        "Daniel O'Connor" <doconnor@gsoft.com.au>
Cc:        Jeremy Chadwick <freebsd@jdc.parodius.com>
Subject:   Re: USB memory stick hotswap problems
Message-ID:  <20040926055431.GD1383@funkthat.com>
In-Reply-To: <200409261142.24759.doconnor@gsoft.com.au>
References:  <41555396.4030009@fer.hr> <20040926021347.721a025f.benlutz@datacomm.ch> <20040926005943.GA61350@parodius.com> <200409261142.24759.doconnor@gsoft.com.au>

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Daniel O'Connor wrote this message on Sun, Sep 26, 2004 at 11:42 +0930:
> > Seems like we're eventually going to need this to make hot-swappable USB
> > devices more friendly.  I understand why you must unmount a device
> > before SCSI CAM gets disconnected from it, but it just seems that this
> > should be a job for usbd.
> 
> The problem is that once the device is removed it's too late :(

Exactly...

> One possibility would be to add a facility to mark all the data for a certain 
> device to be non-critical so it will throw it away when it tries to flush it 
> and fails instead of panicing.

phk is working on fixing this right now...

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."



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