Messages in this thread | | | Date | Thu, 26 Jul 2007 10:53:18 -0700 | From | Yinghai Lu <> | Subject | Re: 2.6.23-rc1-mm1 -- mostly fails to build |
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Andrew Morton wrote: > On Wed, 25 Jul 2007 23:41:46 +0100 Andy Whitcroft <apw@shadowen.org> wrote: > >> On Wed, Jul 25, 2007 at 05:36:56PM +0100, Andy Whitcroft wrote: >> >>> Will investigate the NUMA-Q explosion and report on that separatly. >> Ok, I've been looking at the NUMA-Q boot panic below: >> >> BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000 >> printing eip: >> c111689f >> *pdpt = 0000000001387001 >> *pde = 0000000000000000 >> Oops: 0000 [#1] >> SMP >> Modules linked in: >> CPU: 0 >> EIP: 0060:[<c111689f>] Not tainted VLI >> EFLAGS: 00010286 (2.6.23-rc1-mm1-gc8131905-dirty #251) >> EIP is at pci_create_bus+0x11b/0x277 >> eax: 00000000 ebx: c9352e00 ecx: c9073e94 edx: c9325400 >> esi: c9325400 edi: c932559c ebp: 00000002 esp: c9073e90 >> ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068 >> Process swapper (pid: 1, ti=c9072000 task=c9070030 task.ti=c9072000) >> Stack: c12adc4f c9325400 00000000 00000002 00000000 00000000 00000000 c934c800 >> 000000d6 00000000 c1116a09 00000000 c9073ed5 c11b178a 00000000 c934c940 >> 00000000 02fffff4 c12bd8ac c934c800 c12bd8b4 c9325000 c1119825 c934c800 >> Call Trace: >> [<c1116a09>] pci_scan_bus_parented+0xe/0x21 >> [<c11b178a>] pci_fixup_i450nx+0xa7/0x101 >> [<c1119825>] pci_do_fixups+0x2d/0x38 >> [<c111665c>] pci_device_add+0x48/0x77 >> [<c11166a5>] pci_scan_single_device+0x1a/0x1f >> [<c11166bf>] pci_scan_slot+0x15/0x47 >> [<c111670a>] pci_scan_child_bus+0x19/0x7c >> [<c1116a14>] pci_scan_bus_parented+0x19/0x21 >> [<c11b259d>] pcibios_scan_root+0x75/0x7e >> [<c1369ee3>] pci_numa_init+0x2c/0xe4 >> [<c1354b87>] kernel_init+0x0/0xa1 >> [<c1354a15>] do_initcalls+0x73/0x1a3 >> [<c109032c>] proc_register+0xa0/0xa7 >> [<c10905cd>] create_proc_entry+0x73/0x86 >> [<c103a5c9>] register_irq_proc+0x75/0x92 >> [<c1354b87>] kernel_init+0x0/0xa1 >> [<c1354be6>] kernel_init+0x5f/0xa1 >> [<c10031c3>] kernel_thread_helper+0x7/0x10 >> ======================= >> Code: ff 8b 83 84 00 00 00 c7 04 24 4f dc 2a c1 89 44 24 04 e8 f8 42 f0 ff 83 7c 24 14 00 75 15 8b 93 84 00 00 00 85 d2 74 0b 8b 43 44 <8b> 00 89 82 50 01 00 00 c7 44 24 04 9a 04 00 00 8d bb 88 00 00 >> EIP: [<c111689f>] pci_create_bus+0x11b/0x277 SS:ESP 0068:c9073e90 >> Kernel panic - not syncing: Attempted to kill init! >> >> This seems to have been caused by the introduction of the following >> code fragment into pci_create_bus: >> >> if (!parent) >> set_dev_node(b->bridge, pcibus_to_node(b)); >> >> This has come as part of the -mm patch below: >> >> try-parent-numa_node-at-first-before-using-default-v2.patch >> >> This patch does not seem to be wrong in and of itself. It does >> expose the fact that we are building busses with NULL sysdata. >> This has come up at least three times now. Below is the patch >> proposed the last couple of times. It is needed to allow any machine >> with i450nx quirk, plus for NUMA-Q systems. > > All this could have happened due to my hamfisted repairing of yet another > reject storm, too. > >> Andrew please could you add this to -mm again. >> > > ok..
Can we add .node and .iommu to pci_bus?
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