From: Theodore Ts'o <tytso@mit.edu>
To: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>,
Ext4 Developers List <linux-ext4@vger.kernel.org>
Subject: Re: EXT4-fs (device loop0): panic forced after error -- bug or not?
Date: Tue, 1 Dec 2015 10:32:02 -0500 [thread overview]
Message-ID: <20151201153202.GA3179@thunk.org> (raw)
In-Reply-To: <565DAD0A.6030305@oracle.com>
On Tue, Dec 01, 2015 at 03:22:02PM +0100, Vegard Nossum wrote:
>
> I'm a bit unsure about whether this is really a bug or not; it looks
> like the filesystem is set to panic on error but I still find it weird
> that this behaviour is allowed by default (would it still panic if
> somebody inserted this filesystem on a USB stick and it got automounted?).
If the distribution cares about this, it should automount with mount
option "errors=remount-ro".
> I call mount() with mountflags=0 and data=NULL followed by opendir() and
> readdir(), but if I just a manual mount + ls from the shell I don't see
> the panic at all, just some of the errors, so I thought maybe there's
> some sort of race somewhere?
I'm not able to reproduce this; I'm getting EACCES to the opendir().
But looking at your kernel messages, it's not a bug.
Cheers,
- Ted
next prev parent reply other threads:[~2015-12-01 15:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-01 14:22 EXT4-fs (device loop0): panic forced after error -- bug or not? Vegard Nossum
2015-12-01 15:32 ` Theodore Ts'o [this message]
2015-12-01 16:59 ` Vegard Nossum
2015-12-02 13:41 ` Theodore Ts'o
2015-12-14 7:16 ` Vegard Nossum
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