Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934310AbXEOL1J (ORCPT ); Tue, 15 May 2007 07:27:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761055AbXEOL04 (ORCPT ); Tue, 15 May 2007 07:26:56 -0400 Received: from mail.gmx.net ([213.165.64.20]:34754 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755553AbXEOL0z (ORCPT ); Tue, 15 May 2007 07:26:55 -0400 X-Authenticated: #19452082 X-Provags-ID: V01U2FsdGVkX1/wuBAqwB7wmLvwwUCACcPEL18yeZPCHC5l8wvQzd PZkRD9YcfmBajb Date: Tue, 15 May 2007 13:26:46 +0200 From: Thomas Kuther To: linux-kernel@vger.kernel.org Cc: Thomas Kuther Subject: Re: IT821x: no DMA since 2.6.21 Message-ID: <20070515132646.745fcd35@SiRiUS.home> In-Reply-To: <20070515125308.3a9f6442@SiRiUS.home> References: <20070515125308.3a9f6442@SiRiUS.home> X-Mailer: Claws Mail 2.9.2 (GTK+ 2.10.12; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; boundary=Sig_XtfHJqE9jqSk2ze5SUwpe5U; protocol="application/pgp-signature"; micalg=PGP-SHA1 X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2901 Lines: 89 --Sig_XtfHJqE9jqSk2ze5SUwpe5U Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Di, 15.05.07 12:53 Thomas Kuther wrote: > Hi! >=20 > Since 2.6.21 I have a problem with the it821x driver on my ITE 8212 > controller. > Now I saw some updates to it821x in 2.6.22-rc1 and gave that a try, > but the problem persists. >=20 Back on 2.6.20 - here is some output from the working driver. There is actually no difference in dmesg: -------------------------8<--------------------------- IT8212: IDE controller at PCI slot 0000:00:09.0 ACPI: PCI Interrupt 0000:00:09.0[A] -> GSI 17 (level, low) -> IRQ 18 IT8212: chipset revision 17 it821x: controller in smart mode. IT8212: 100% native mode on irq 18 ide2: BM-DMA at 0xdc00-0xdc07, BIOS settings: hde:pio, hdf:pio ide3: BM-DMA at 0xdc08-0xdc0f, BIOS settings: hdg:pio, hdh:pio Probing IDE interface ide2... hde: SAMSUNG SP2514N, ATA DISK drive hdf: Maxtor 6Y120L0, ATA DISK drive hde: Performing identify fixups. hdf: Performing identify fixups. ide2 at 0xec00-0xec07,0xe802 on irq 18 hde: max request size: 128KiB hde: 488397168 sectors (250059 MB) w/8192KiB Cache, CHS=3D30401/255/63, BUG DMA OFF=20 hde:hde: recal_intr: status=3D0x51 { DriveReady SeekComplete Error }=20 hde:recal_intr: error=3D0x04 { DriveStatusError } ide: failed opcode was: unknown hde1 hdf: max request size: 128KiB hdf: 240121728 sectors (122942 MB) w/2048KiB Cache, CHS=3D65535/16/63, BUG DMA OFF=20 hdf:hdf: recal_intr: status=3D0x51 { DriveReady SeekComplete Error }=20 hdf:recal_intr: error=3D0x04 { DriveStatusError } ide: failed opcode was: unknown hdf1 ------------------------------>8------------------------------- But hdparm works: --------------- # hdparm -d1 /dev/hde /dev/hde: setting using_dma to 1 (on) using_dma =3D 1 (on) ---------------- # hdparm -tT /dev/hde /dev/hde: Timing cached reads: 372 MB in 2.01 seconds =3D 185.17 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Input/output error=20 Timing buffered disk reads: 124 MB in 3.01 seconds =3D 41.18 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Input/output error ---------------- hdparm version is 7.3. DMA is enabled in the controller's BIOS, of course. Hope this helps a bit. Thanks, Thomas --Sig_XtfHJqE9jqSk2ze5SUwpe5U Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.3 (GNU/Linux) iD8DBQFGSZj8MQFfAqZTGfwRAr15AJ4xXNNO5jeDdZFf+FM8JPgNkB2rRwCgj1O/ 2G9zGW+A5QM+PE5owvqAtnU= =bV1V -----END PGP SIGNATURE----- --Sig_XtfHJqE9jqSk2ze5SUwpe5U-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/