On Tue, 20 Jun 2006 21:21:35 +1000 Johny <kernel@xxxxxxxxxxx> wrote: > Firstly, apologies for a) the massive x-post and b) the time taken to > get back to people... Please let me know where this is most > appropriately dealt with and I'll keep it off other lists, considering > the latest information; > > Andrew - please note - this is not a problem exclusive to the -mm > series, on testing various combos I found it in the stock series too. Thanks for persisting with this. > Stock kernels break for me starting with 2.6.17-rc4 (I tested all rcs > and also .17 itself), rc3 works a treat for using USB. I suspect the > following line missing in dmesg for rc4 is the reason; > > -PCI: Via IRQ fixup for 0000:00:11.1, from 255 to 11 yes, that looks suspicious. > See the following dmesg files for details; > > http://www.agotnes.com/kernelStuff/dmesg-2.6.17-rc3-working > http://www.agotnes.com/kernelStuff/dmesg-2.6.17-rc4-not-working > > And the diff, for convenience; > > http://www.agotnes.com/kernelStuff/diff-rc3_rc4 > > I have a Via chipset motherboard (for my sins), further details > available on request, again, for convenience, the lspci; > > http://www.agotnes.com/kernelStuff/lspci > > A couple of possible suspect patches introduced in the changelog for rc4 > were (with the first one looking particularly interesting, the others > less interesting as I go down the list); > > [PATCH] PCI quirk: VIA IRQ fixup should only run for VIA southbridges This one, I'd expect. > [PATCH] x86_64: avoid IRQ0 ioapic pin collision > [PATCH] PCI: fix via irq SATA patch > [ALSA] via82xx - Use DXS_SRC as default for VIA8235/8237/8251 chips > [ALSA] via82xx: tweak VT8251 workaround > [ALSA] via82xx: add support for VIA VT8251 (AC'97) > You could try a `patch -R' of the below. commit 75cf7456dd87335f574dcd53c4ae616a2ad71a11 Author: Chris Wedgwood <cw@xxxxxxxx> Date: Tue Apr 18 23:57:09 2006 -0700 [PATCH] PCI quirk: VIA IRQ fixup should only run for VIA southbridges Alan Cox pointed out that the VIA 'IRQ fixup' was erroneously running on my system which has no VIA southbridge (but I do have a VIA IEEE 1394 device). This should address that. I also changed "Via IRQ" to "VIA IRQ" (initially I read Via as a capitalized via (by way/means of). Signed-off-by: Chris Wedgwood <cw@xxxxxxxx> Acked-by: Jeff Garzik <jeff@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index c42ae2c..19e2b17 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -642,13 +642,15 @@ static void quirk_via_irq(struct pci_dev new_irq = dev->irq & 0xf; pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq); if (new_irq != irq) { - printk(KERN_INFO "PCI: Via IRQ fixup for %s, from %d to %d\n", + printk(KERN_INFO "PCI: VIA IRQ fixup for %s, from %d to %d\n", pci_name(dev), irq, new_irq); udelay(15); /* unknown if delay really needed */ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq); } } -DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, quirk_via_irq); /* * VIA VT82C598 has its device ID settable and many BIOSes If you have trouble getting it to apply, just manually replace all the DECLARE_PCI_FIXUP_ENABLE lines at the end of quirk_via_irq() with the single line DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq); - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
