Yinghai Lu wrote: > Yinghai Lu wrote: >> dann frazier wrote: >>> -------------------------------------------------------------------- >>> commit 30a18d6c3f1e774de656ebd8ff219d53e2ba4029 >>> Author: Yinghai Lu <Yinghai.Lu@xxxxxxx> >>> Date: Tue Feb 19 03:21:20 2008 -0800 >>> >>> x86: multi pci root bus with different io resource range, on >>> 64-bit >>> -------------------------------------------------------------------- >>> >>> This appears to be the commit that actually introduced the issue. >>> I've attached dmesg w/ PCI DEBUG enabled from both sides of this >>> changeset, as well as a diff w/o printk timestamps. >>> >>> Also note that #ifdef'ing out x86_pci_root_bus_res_quirks() in >>> amd_bus.c seems to avoid the problem as well. >> your BIOS didn't allocate io resources to some device under HT chain on node1/link2 >> aka under peer root bus. >> >> Kernel try to allocate resource to them. >> >> and the patch did right thing according to range >> bus: 40 index 1 mmio: [d9f00000, dfefffff] >> >> YH >> >> >> +bus: [00,3f] on node 0 link 1 >> +bus: 00 index 0 io port: [0, 2fff] >> +bus: 00 index 1 mmio: [80000000, d9efffff] >> +bus: 00 index 2 mmio: [dff00000, e3ffffff] >> +bus: 00 index 3 mmio: [a0000, bffff] >> +bus: 00 index 4 mmio: [e8000000, ffffffff] >> +bus: 00 index 5 mmio: [480000000, fbffffffff] >> +bus: [40,7f] on node 1 link 2 >> +bus: 40 index 0 io port: [3000, ffff] >> +bus: 40 index 1 mmio: [d9f00000, dfefffff] >> +bus: 40 index 2 mmio: [e4000000, e7ffffff] >> ACPI: bus type pci registered >> PCI: Using configuration type 1 for base access >> ACPI: EC: Look up EC in DSDT >> @@ -646,18 +659,18 @@ >> IO window: disabled. >> MEM window: disabled. >> PREFETCH window: disabled. >> - got res [88000000:8801ffff] bus [88000000:8801ffff] flags 27200 for BAR 6 of 0000:41:01.0 >> - got res [88020000:8803ffff] bus [88020000:8803ffff] flags 27200 for BAR 6 of 0000:41:02.0 >> + got res [d9f00000:d9f1ffff] bus [d9f00000:d9f1ffff] flags 27200 for BAR 6 of 0000:41:01.0 >> + got res [d9f20000:d9f3ffff] bus [d9f20000:d9f3ffff] flags 27200 for BAR 6 of 0000:41:02.0 >> PCI: Bridge: 0000:40:10.0 >> IO window: disabled. >> MEM window: 0xda000000-0xddffffff >> - PREFETCH window: 0x0000000088000000-0x00000000880fffff >> - got res [88200000:883fffff] bus [88200000:883fffff] flags 27200 for BAR 6 of 0000:42:01.0 >> - got res [88100000:8813ffff] bus [88100000:8813ffff] flags 27200 for BAR 6 of 0000:42:02.0 >> + PREFETCH window: 0x00000000d9f00000-0x00000000d9ffffff >> + got res [de000000:de1fffff] bus [de000000:de1fffff] flags 27200 for BAR 6 of 0000:42:01.0 >> + got res [de200000:de23ffff] bus [de200000:de23ffff] flags 27200 for BAR 6 of 0000:42:02.0 >> PCI: Bridge: 0000:40:11.0 >> IO window: 3000-3fff >> MEM window: 0xdfe00000-0xdfefffff >> - PREFETCH window: 0x0000000088100000-0x00000000883fffff >> + PREFETCH window: 0x00000000de000000-0x00000000de2fffff >> >> > > > and those range are not overlapping with IOAPIC BAR allocating > [ 0.000000] ACPI: IOAPIC (id[0x08] address[0xd9cf0000] gsi_base[0]) > [ 0.000000] IOAPIC[0]: apic_id 8, version 0, address 0xd9cf0000, GSI 0-23 > [ 0.000000] ACPI: IOAPIC (id[0x09] address[0xd9fd0000] gsi_base[24]) > [ 0.000000] IOAPIC[1]: apic_id 9, version 0, address 0xd9fd0000, GSI 24-30 > [ 0.000000] ACPI: IOAPIC (id[0x0a] address[0xd9fe0000] gsi_base[31]) > [ 0.000000] IOAPIC[2]: apic_id 10, version 0, address 0xd9fe0000, GSI 31-37 > [ 0.000000] ACPI: IOAPIC (id[0x0b] address[0xd9ff0000] gsi_base[38]) > [ 0.000000] IOAPIC[3]: apic_id 11, version 0, address 0xd9ff0000, GSI 38-61 > with the new allocation: [ 4.279139] got res [d9f00000:d9f1ffff] bus [d9f00000:d9f1ffff] flags 27200 for BAR 6 of 0000:41:01.0 [ 4.279142] got res [d9f20000:d9f3ffff] bus [d9f20000:d9f3ffff] flags 27200 for BAR 6 of 0000:41:02.0 [ 4.279144] PCI: Bridge: 0000:40:10.0 [ 4.299135] IO window: disabled. [ 4.319148] MEM window: 0xda000000-0xddffffff [ 4.333140] PREFETCH window: 0x00000000d9f00000-0x00000000d9ffffff [ 4.370170] got res [de000000:de1fffff] bus [de000000:de1fffff] flags 27200 for BAR 6 of 0000:42:01.0 [ 4.370173] got res [de200000:de23ffff] bus [de200000:de23ffff] flags 27200 for BAR 6 of 0000:42:02.0 [ 4.370175] PCI: Bridge: 0000:40:11.0 [ 4.390143] IO window: 3000-3fff [ 4.410177] MEM window: 0xdfe00000-0xdfefffff [ 4.435157] PREFETCH window: 0x00000000de000000-0x00000000de2fffff [ 4.333140] PREFETCH window: 0x00000000d9f00000-0x00000000d9ffffff are all directed to one 8132 PCI-X bridge. the the IOAPIC for 9, 10, 11... falling that range... we need one better to allocate range for that pci-x bridge to aovide ioapic BAR allocated... anyway your BIOS sucks. YH -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
