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Date:      Thu, 16 Jul 2015 02:39:15 +0000 (UTC)
From:      Kyle <knusbaum@sdf.org>
To:        Dutch Ingraham <stoa@gmx.us>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Ext4 Kernel Panic
Message-ID:  <alpine.NEB.2.02.1507160237360.9930@iceland.freeshell.org>
In-Reply-To: <20150716021608.GA6831@puffyzz.attlocal.net>
References:  <alpine.NEB.2.02.1507160006260.24679@iceland.freeshell.org> <20150716021608.GA6831@puffyzz.attlocal.net>

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On Wed, 15 Jul 2015, Dutch Ingraham wrote:

> Date: Wed, 15 Jul 2015 21:16:08 -0500
> From: Dutch Ingraham <stoa@gmx.us>
> To: freebsd-questions@freebsd.org
> Subject: Re: Ext4 Kernel Panic
> 
> On Thu, Jul 16, 2015 at 12:08:35AM +0000, Kyle wrote:
>>
>> So I mount an ext4 partition like so:
>>
>> # mount -r -t ext2fs /dev/ada2p1 /mnt
>>
>> And then I try to copy some files. This consistently results in a kernel
>> panic.
>
> As I understand it, once the kernel module is manually loaded, the ext2fs(5)
> driver will allow reads from and writes to an ext2 filesystem, but will
> only support reads of an ext4 filesystem.
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>

I should have clarified. I'm copying FROM the ext4 partition TO a 
different partition. The ext4 partition is mounted read-only
(notice the -r)

Even if I was trying to write to an ext4 partition, it should result in 
some sort of error, not a panic.

knusbaum@sdf.org
SDF Public Access UNIX System - http://sdf.org



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