From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] Data Corruption using cryptsetup luks on ARM arch
Date: Mon, 14 Sep 2009 23:10:06 +0200 [thread overview]
Message-ID: <20090914211006.GD4432@tansi.org> (raw)
In-Reply-To: <beb91d720909140225s2f80bf6bq5b4be7eadb936fe9@mail.gmail.com>
On Mon, Sep 14, 2009 at 06:25:10AM -0300, Salatiel Filho wrote:
> On Mon, Sep 14, 2009 at 00:35, Arno Wagner <arno@wagner.name> wrote:
> > On Sun, Sep 13, 2009 at 07:19:00PM -0300, Salatiel Filho wrote:
> >> Where should i report that i get lots of corruption when using
> >> cryptsetup on arm architecture ?
> >>
> >> - Can not use crypted swap , cause page allocator will fail and my
> >> programs will start to seg fault.
> >> - Some files just get corrupted on copying...
> >>
> >> Anyone can help me ?debug it , so i can report ?developers and they
> >> can fix this.
> >
> > If it generally works, but sometimes corrupts, then this
> > very likely has nothing to to with dm-crypt. In fact it
> > sounds like you have defective hardware, but more detail
> > is needed for even a rough guess.
> >
> I do not think it is a hardware problem since the disk is fine and
> it works fine in other architectures with no corruption at all. And
> the page allocator failure always happens when using crypted swap but
> there is no problem when using uncrypted swap.
Determine the exact nature of the corruption. It is really
a waste of time to speculate before you have that. Best
option is a binary compare of a corrupted file with the
uncorrupted version. Use something like
cmp -b -l <file1> <file2>
Arno
--
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@wagner.name
GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F
----
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If it's in the news, don't worry about it. The very definition of
"news" is "something that hardly ever happens." -- Bruce Schneier
next prev parent reply other threads:[~2009-09-14 21:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-13 22:19 [dm-crypt] Data Corruption using cryptsetup luks on ARM arch Salatiel Filho
2009-09-14 3:35 ` Arno Wagner
2009-09-14 9:25 ` Salatiel Filho
2009-09-14 9:59 ` Milan Broz
2009-09-14 21:10 ` Arno Wagner [this message]
2009-09-15 10:48 ` Salatiel Filho
2009-09-15 11:53 ` Arno Wagner
2009-09-18 13:40 ` Salatiel Filho
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