Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 11 Nov 2002 06:06:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 11 Nov 2002 06:06:21 -0500 Received: from mailgw.cvut.cz ([147.32.3.235]:6872 "EHLO mailgw.cvut.cz") by vger.kernel.org with ESMTP id ; Mon, 11 Nov 2002 06:06:20 -0500 From: "Petr Vandrovec" Organization: CC CTU Prague To: axboe@suse.de Date: Mon, 11 Nov 2002 12:12:51 +0200 MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT Subject: TCQ in 2.5.46 when sharing channel with non-TCQ drive Cc: linux-kernel@vger.kernel.org X-mailer: Pegasus Mail v3.50 Message-ID: <733078326E0@vcnet.vc.cvut.cz> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2935 Lines: 62 Hi Jens, just FYI: I just plugged IBM's IBM-DTLA-307045 as slave to the WDC1200JB-00CRA0, and because of I have enabled TCQ in kernel, it started using TCQ on IBM (WDC is not TCQ aware). During bootup it reported 'bad special flag: 0x03' on IBM, and later during 'rm -rf /mnt2' (where /mnt2 is contents of IBM's disk) I got: Linux version 2.5.46-c985 (root@vana) (gcc version 2.95.4 20011002 (Debian prerelease)) #3 SMP Fri Nov 8 22:47:13 CET 2002 ... ICH2: IDE controller at PCI slot 00:1f.1 ICH2: chipset revision 5 ICH2: not 100% native mode: will probe irqs later ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:DMA ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:pio hda: WDC WD1200JB-00CRA0, ATA DISK drive hdb: IBM-DTLA-307045, ATA DISK drive hdb: bad special flag: 0x03 hdb: tagged command queueing enabled, command queue depth 8 ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 hdc: TOSHIBA MK6409MAV, ATA DISK drive ide1 at 0x170-0x177,0x376 on irq 15 hda: host protected area => 1 hda: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=14593/255/63, UDMA(100) /dev/ide/host0/bus0/target0/lun0: p1 p2 p3 hdb: host protected area => 1 hdb: 90069840 sectors (46116 MB) w/1916KiB Cache, CHS=5606/255/63, UDMA(100) /dev/ide/host0/bus0/target1/lun0: p1 p2 hdc: host protected area => 1 hdc: 12685680 sectors (6495 MB), CHS=13424/15/63, UDMA(33) /dev/ide/host0/bus1/target0/lun0: p1 ... ide_tcq_intr_timeout: timeout waiting for service interrupt ide_tcq_intr_timeout: missing isr! hdb: invalidating tag queue (0 commands) hdb: drive_cmd: status=0x51 { DriveReady SeekComplete Error } hdb: drive_cmd: error=0x04 { DriveStatusError } ide_tcq_intr_timeout: timeout waiting for service interrupt ide_tcq_intr_timeout: missing isr! hdb: invalidating tag queue (0 commands) hdb: drive_cmd: status=0x51 { DriveReady SeekComplete Error } hdb: drive_cmd: error=0x04 { DriveStatusError } ide_tcq_intr_timeout: timeout waiting for service interrupt ide_tcq_intr_timeout: missing isr! hdb: invalidating tag queue (0 commands) hdb: drive_cmd: status=0x51 { DriveReady SeekComplete Error } hdb: drive_cmd: error=0x04 { DriveStatusError } ide_tcq_intr_timeout: timeout waiting for service interrupt ide_tcq_intr_timeout: missing isr! hdb: invalidating tag queue (0 commands) hdb: drive_cmd: status=0x51 { DriveReady SeekComplete Error } hdb: drive_cmd: error=0x04 { DriveStatusError } Machine is still alive, and seems happy. Thanks, Petr Vandrovec vandrove@vc.cvut.cz - 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/