On Mon, Feb 11, 2013 at 8:19 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > On Mon, Feb 11, 2013 at 5:02 AM, Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> wrote: >> On Sun, 2013-02-10 at 22:40 -0800, Yinghai Lu wrote: >>> On Sun, Feb 10, 2013 at 12:33 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: >>> > On Sun, Feb 10, 2013 at 6:23 AM, Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> wrote: >>> >> On Sat, 2013-02-09 at 22:14 -0500, Peter Hurley wrote: >>> >>> On Tue, 2013-02-05 at 15:26 -0500, Alan Stern wrote: >>> >>> > On Tue, 5 Feb 2013, Peter Hurley wrote: >>> >>> > >>> >>> > > With -next-20130204: >>> >>> > > >>> >>> > > [ 33.855570] irq 18: nobody cared (try booting with the "irqpoll" option) >>> >>> > > [ 33.855580] Pid: 0, comm: swapper/4 Not tainted 3.8.0-next-20130204-xeon #20130204 >>> >>> > > [ 33.855582] Call Trace: >>> >>> > > [ 33.855585] <IRQ> [<ffffffff810f1076>] __report_bad_irq+0x36/0xe0 >>> >>> > > [ 33.855600] [<ffffffff810f152a>] note_interrupt+0x1aa/0x200 >>> >>> > > [ 33.855606] [<ffffffff8101edf2>] ? mwait_idle+0x82/0x1b0 >>> >>> > > [ 33.855610] [<ffffffff810eed89>] handle_irq_event_percpu+0xc9/0x260 >>> >>> > > [ 33.855614] [<ffffffff810eef68>] handle_irq_event+0x48/0x70 >>> >>> > > [ 33.855618] [<ffffffff810f20ba>] handle_fasteoi_irq+0x5a/0x100 >>> >>> > > [ 33.855624] [<ffffffff810182f2>] handle_irq+0x22/0x40 >>> >>> > > [ 33.855630] [<ffffffff816e2a9a>] do_IRQ+0x5a/0xd0 >>> >>> > > [ 33.855636] [<ffffffff816d97ad>] common_interrupt+0x6d/0x6d >>> >>> > > [ 33.855638] <EOI> [<ffffffff810f8e2a>] ? rcu_eqs_enter_common+0x4a/0x320 >>> >>> > > [ 33.855646] [<ffffffff8101edf2>] ? mwait_idle+0x82/0x1b0 >>> >>> > > [ 33.855649] [<ffffffff8101ed99>] ? mwait_idle+0x29/0x1b0 >>> >>> > > [ 33.855653] [<ffffffff8101f8a6>] cpu_idle+0x116/0x130 >>> >>> > > [ 33.855658] [<ffffffff816c0c0f>] start_secondary+0x251/0x258 >>> >>> > > [ 33.855660] handlers: >>> >>> > > [ 33.855664] [<ffffffff814f98a0>] usb_hcd_irq >>> >>> > > [ 33.855667] Disabling IRQ #18 >>> >>> > > >>> >> https://bugzilla.kernel.org/show_bug.cgi?id=53561 >>> >> >>> >> Maybe this is some interaction with all the new ACPI code and fixes >>> >> written in those 8 days. >>> > >>> > interrupt routing seems get changed: >>> > next: >>> > 5: 0 0 0 0 0 >>> > 0 0 0 IO-APIC-fasteoi snd_ctxfi >>> > 18: 99970 13 16 20 99940 >>> > 13 13 16 IO-APIC-fasteoi uhci_hcd:usb4 >>> > v3.8-rc7: >>> > 18: 424 15 11 112 420 >>> > 16 18 105 IO-APIC-fasteoi uhci_hcd:usb4, snd_ctxfi >>> > >>> > These messages in the bad dmesg log are interesting since PCI INT A is routed >>> > on >>> > irq 18 with the kernels that work. >>> > [ 8.983246] pci 0000:00:1e.0: can't derive routing for PCI INT A >>> > [ 8.983600] snd_ctxfi 0000:09:02.0: PCI INT A: no GSI - using ISA IRQ 5 >>> > ... >>> > >>> > acpi_pci_irq_add_prt() add wrong bus for that bridge, because that >>> > that bridge is not scanned. >>> > >>> > Will check if I can produce one patch for it. >>> >>> Hi Peter, >>> >>> Can you try attached debug patch? >> >> Fixed, thanks. > > Bjorn, Rafael, > > acpi_pci_irq_add_prt need to be called after pci bridge get scanned, > so we can not call it from pci_acpi_setup, after we move dev_register > for pci_dev early. > > The attached debug patch move down that calling into > pci_bus_add_devices and that will make prt works again. > > Can acpi provide another hook after bridge get scanned? > 23: + /* need to after bridge is scanned */ 24: + pcibios_irq_setup(&dev->dev); ... need to *be called* after... Even this is a temporary workaround, can you send a separate patch for this? - Sedat - P.S.: Still wonder why people use "linux-2.6" as prefix in their patches. > Thanks > > Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
