From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Annessi Subject: Re: dc395x: Report Date: Wed, 02 Aug 2006 16:52:31 +0200 Message-ID: <44D0BC2F.3030700@annessi.at> References: <44CF40F2.3080401@annessi.at> <44D075A2.2080501@annessi.at> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig7815BD8C39AD96C55C11EA56" Return-path: Received: from mx-03.sil.at ([86.59.12.202]:5323 "EHLO mx-03.sil.at") by vger.kernel.org with ESMTP id S1751155AbWHBOwt (ORCPT ); Wed, 2 Aug 2006 10:52:49 -0400 In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Guennadi Liakhovetski Cc: linux-scsi@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig7815BD8C39AD96C55C11EA56 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 08/02/06 12:11, Guennadi Liakhovetski wrote: >=20 > Yes, this is only present in 2.6.18. And what transfer rates are you=20 > getting with this workaround without safe=3D1? Compared to safe=3D1 and= to=20 > other controllers / drivers? Unfortunately I currently don't have another SCSI controller around (only onboard or broken ones). I tested with 2.6.18-rc3. "dd if=3D/dev/sda of=3D/dev/null bs=3D1M count=3D1024" (for read) "dd if=3D/dev/zero of=3D/dev/sda bs=3D1M count=3D1024" (for write) each 5 times (results were almost the same.. maximum difference was 0,1mb= /s) default arguments: ~37,5mb/s (read) ~37,6mb/s(write) safe=3D1: ~2,8mb/s (read) ~2,3mb/s (write) Regards, Robert --------------enig7815BD8C39AD96C55C11EA56 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iEYEARECAAYFAkTQvDIACgkQVoNfMxmfyFNE7QCfbT5abYvn0oXFUUiP0kwFlo3E M0MAnRcAnuitbOc1fmN1j0peF4S2xVZv =3i3E -----END PGP SIGNATURE----- --------------enig7815BD8C39AD96C55C11EA56--