From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: Fwd: Maybe a bug in libata-core
Date: Mon, 23 Aug 2010 11:16:21 +0200
Message-ID: <4C723C65.6080303@kernel.org>
References: <4C71C645.8050007@stud.tu-ilmenau.de>
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To: stefan.huebner@stud.tu-ilmenau.de
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On 08/23/2010 02:52 AM, Stefan /*St0fF*/ H=FCbner wrote:
> Hi Jeff and list,
>=20
> maybe this mail was wrong on the linux-scsi list.  So here we go agai=
n:
>=20
> -------- Original-Nachricht --------
> Betreff: Maybe a bug in libata-core
> Datum: Fri, 20 Aug 2010 23:48:09 +0200
> Von: Stefan H=FCbner  <stefan.huebner@stud.tu-ilmenau.de>
> Antwort an: stefan.huebner@stud.tu-ilmenau.de
> Organisation: TU-Ilmenau
> An: linux-scsi@vger.kernel.org
>=20
>  Hi List!
>=20
> After sending a WRITE_DMA_FUA_EXT ATA-command via SG_IO Passthru to a
> harddisk (here: /dev/sdd), my kernel panics.  The is what I find in s=
yslog:

You're sending down data command w/o data.  Panicking probably isn't
the best response here.  Maybe the BUG_ON() should be changed to
WARN_ON_ONCE() + goto sg_err.

Thanks.

--=20
tejun