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Re: kern/46923: Panic when I unplug an external usb mypassport hard drive.
The following reply was made to PR kern/46923; it has been noted by GNATS.
From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
Cc: kern-bug-people%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost,
Subject: Re: kern/46923: Panic when I unplug an external usb mypassport hard
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
> >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
> 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)
> 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
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