Date: Wed, 13 Jun 2001 12:50:04 -0700 (PDT) From: Giorgos Keramidas <charon@labs.gr> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/13940: Panic with dd on block/"cooked" devices using 3.3-RELEASE Message-ID: <200106131950.f5DJo4656492@freefall.freebsd.org>
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The following reply was made to PR kern/13940; it has been noted by GNATS.
From: Giorgos Keramidas <charon@labs.gr>
To: freebsd-gnats-submit@FreeBSD.org, regnauld@S44.eu.org
Cc:
Subject: Re: kern/13940: Panic with dd on block/"cooked" devices using
3.3-RELEASE
Date: Wed, 13 Jun 2001 22:45:57 +0300
Phil Regnauld wrote:
> When using dd to copy a block device to another (i.e.:
> /dev/wd0a -> /dev/wd2a for example), the system panics.
>
> Greg Lehey <grog@lemis.com> is aware of the problem.
Does this occur only in 3.3-RELEASE ?
Is it a problem of the wd driver only?
I tested this on 4-STABLE with ad driver for atapi disks,
and dd(1) works for me. With floppies, it works too.
I even tried copying a floppy to a raw disk device (
Can you please provide with more information on this?
I'm most interested to know
a) if this bug appears only in 3.3-RELEASE or is present
in newer 3.x releases too
b) if this is a bug of the wd driver, or you seem to be
having the same problems with ad driver too.
Thank you.
-giorgos
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