From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michal Piotrowski" Subject: Re: 2.6.21-rc3-git4 ata1.00: qc timeout (cmd 0xef) (crashdump kernel) Date: Mon, 12 Mar 2007 18:36:35 +0100 Message-ID: <6bffcb0e0703121036u47dc7aebx33e2307dd50889e0@mail.gmail.com> References: <6bffcb0e0703090857r14eda34bj92f3fd1d0008edb8@mail.gmail.com> <45F51218.9030907@gmail.com> <45F5805A.5080509@googlemail.com> <45F581B9.9020005@gmail.com> <1173718065.13341.96.camel@localhost.localdomain> <45F58405.1050204@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <45F58405.1050204@gmail.com> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org To: Tejun Heo Cc: tglx@linutronix.de, Jeff Garzik , linux-ide@vger.kernel.org, Ingo Molnar , Bartlomiej Zolnierkiewicz , Stephen Hemminger , netdev@vger.kernel.org, Alan Cox List-Id: linux-ide@vger.kernel.org On 12/03/07, Tejun Heo wrote: > Thomas Gleixner wrote: > > On Tue, 2007-03-13 at 01:37 +0900, Tejun Heo wrote: > >> Michal Piotrowski wrote: > >>> Calling initcall 0xc19154d8: piix_ide_init+0x0/0xbb() > >>> Calling initcall 0xc19155b6: generic_ide_init+0x0/0x16() > >>> Calling initcall 0xc191572e: ide_init+0x0/0x81() > >>> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 > >>> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx > >>> ICH5: IDE controller at PCI slot 0000:00:1f.1 > >>> irq 5: nobody cared (try booting with the "irqpoll" option) > >>> [] show_trace_log_lvl+0x1a/0x2f > >>> [] show_trace+0x12/0x14 > >>> [] dump_stack+0x16/0x18 > >>> [] __report_bad_irq+0x39/0x79 > >>> [] note_interrupt+0x18f/0x1c8 > >>> [] handle_level_irq+0x95/0xcb > >>> [] do_IRQ+0xb4/0xe0 > >>> ======================= > >>> handlers: > >>> [] (skge_intr+0x0/0x3ff) > >>> Disabling IRQ #5 > >>> ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 5 > >>> ACPI: PCI Interrupt 0000:00:1f.1[A] -> Link [LNKC] -> GSI 5 (level, low) -> IRQ 5 > >>> ICH5: chipset revision 2 > >>> ICH5: not 100% native mode: will probe irqs later > >>> ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA, hdb:DMA > >>> ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings: hdc:pio, hdd:DMA > >>> > >>> Is this an IDE or skge bug? > >> It seems skge's. skge is screaming and kernel shuts down IRQ 5. > >> ata_piix is unfortunately sharing the IRQ, so its IRQ doesn't get > >> serviced and commands time out. > > > > I doubt that. On my box the interrupt is solely used by ata_piix. > > Ah right. ata_piix could be screaming when the skge requested IRQ#5, > but ata_piix is in native mode meaning that the PCI device is probably > in disabled state when skge requests IRQ#5. > > Michal, can you please test the machine with skge disabled? It seems to work fine with skge disabled. > If it's an > on board device, you can probably disable it in the BIOS configuration menu. > > Thanks. > > -- > tejun > Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/)