Re: kern/46923: Panic when I unplug an external usb mypassport hard drive.

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

The following reply was made to PR kern/46923; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost, 
netbsd-bugs%NetBSD.org@localhost
Subject: Re: kern/46923: Panic when I unplug an external usb mypassport hard
 drive.
Date: Sat, 8 Sep 2012 11:24:17 +0200

 On Sat, Sep 08, 2012 at 02:50:00AM +0000, zac.3.14159%gmail.com@localhost 
wrote:
 > >Number:         46923
 > >Category:       kern
 > >Synopsis:       Panic when I unplug an external usb mypassport hard drive.
 > >Confidential:   no
 > >Severity:       critical
 > >Priority:       high
 > >Responsible:    kern-bug-people
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Sat Sep 08 02:50:00 +0000 2012
 > >Originator:     Zachary Storer
 > >Release:        NetBSD-6.0 RC1
 > >Organization:
 > N/A
 > >Environment:
 > NetBSD 6.0-RC1 Generic (note I recently installed OpenBSD on this box, so 
 > this is not exact, but it was with a clean NetBSD-6.0RC1 install on amd64)
 > >Description:
 > When I plug in an external usb mypassport hard drive, then unplug it (even 
 > when unmounted), the system panics. This happens every time I do this. I see 
 > a beautiful screen of numbers scrolling past...
 > Here is a pastebin of images of the panic: http://inky.ws/g/1y8
 
 If I read it properly (it's not easy), it's a panic because ses(4)
 can't be detached. A workaround would be to build a kernel
 without the ses(4) device.
 ses(4) should gain proper detach support.
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --