linux-kernel - Re: Massive IDE problems. Who leaves data here?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 22 Jan 2008 22:25:39 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Manuel Reimer <Manuel.Spam@...fuerspam.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Massive IDE problems. Who leaves data here?

On Tue, 22 Jan 2008 21:40:21 +0100
Manuel Reimer <Manuel.Spam@...fuerspam.de> wrote:

> Jeff Garzik wrote:
> > If your IDE interface is complaining about BadCRC errors, then it's 
> > complaining about hardware problems (bad cable, etc.)
> 
> The cable already has been replaced three times. I even got sure to 
> *not* bend the cable. This all doesn't help.
> 
> May a bad cable really cause corrupted data?

Yes, or dodgy connectors or other problems. The CRC itself is computed by
the hardware each end so a BadCRC error really means the two ends
disagree about the data. 

That is *usually* a cable/electrical noise problem. It can be power and
it can occasionally show up if the software misprograms the timing so the
two ends are a bit out of sync.

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/