Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 15 Apr 2002 15:00:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 15 Apr 2002 15:00:25 -0400 Received: from ns.virtualhost.dk ([195.184.98.160]:27663 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id ; Mon, 15 Apr 2002 15:00:24 -0400 Date: Mon, 15 Apr 2002 21:00:28 +0200 From: Jens Axboe To: Petr Vandrovec Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] IDE TCQ #4 Message-ID: <20020415190028.GZ12608@suse.de> In-Reply-To: <275738D7E75@vcnet.vc.cvut.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 15 2002, Petr Vandrovec wrote: > On 15 Apr 02 at 19:41, Petr Vandrovec wrote: > > > > If I parsed file correctly (it is 83 decimal word, yes?), WD's > > WDC WD1200JB-00CRA0 supports TCQ too. I'm still deciding which of > > TCQ #X and IDE #YY patches should be aplied to 2.5.8 to get optimal > > results (and I have to disconnect slaves...). > > I applied TCQ#4 only... That is fine. > I have to swap my host, probably, or there is some other problem. > I got two unexpected interrupts, then machine looked fine, but shortly > thereafter oops appeared. /proc/ide/ide0/hda/tcq showed 'not active' > before it crashed. Machine is SMP. > > NULL pointer ... Could you decode that? It doesn't look like any of your drives support TCQ, it should have enabled them right here: > Uniform Multi-Platform E-IDE driver ver.:7.0.0 > ide: system bus speed 33MHz > VIA Technologies, Inc. Bus Master IDE: IDE controller on PCI slot 00:07.1 > VIA Technologies, Inc. Bus Master IDE: chipset revision 16 > VIA Technologies, Inc. Bus Master IDE: not 100%% native mode: will probe irqs later > VP_IDE: VIA vt82c686a (rev 22) IDE UDMA66 controller on pci00:07.1 > ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio > ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:pio > hda: WDC WD1200JB-00CRA0, ATA DISK drive > hdc: TOSHIBA MK6409MAV, ATA DISK drive > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > ide1 at 0x170-0x177,0x376 on irq 15 > ide: unexpected interrupt hda: tagged command queueing enabled, command queue depth 8 is missing, TCQ is not supported on this drive. > hda: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=232581/16/63, UDMA(66) > ide: unexpected interrupt > hdc: 12685680 sectors (6495 MB), CHS=13424/15/63, UDMA(33) (these unexpected interrupts are nothing to worry about, only if some happen after this part it's a concern). -- Jens Axboe - 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/