Messages in this thread | | | Date | Wed, 11 Jun 2008 15:05:03 -0700 | From | Randy Dunlap <> | Subject | Re: x86_64 boot hang when CONFIG_NUMA=n |
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On Fri, 6 Jun 2008 20:55:29 -0700 Yinghai Lu wrote:
> On Fri, Jun 6, 2008 at 8:42 AM, Randy Dunlap <randy.dunlap@oracle.com> wrote: > > On Thu, 5 Jun 2008 22:41:01 -0700 Yinghai Lu wrote: > > > >> On Thu, Jun 5, 2008 at 2:50 PM, Randy Dunlap <randy.dunlap@oracle.com> wrote: > >> > On 2.6.26-rc[2345], I am seeing a hang during boot with CONFIG_NUMA=n, but changing > >> > to CONFIG_NUMA=y allows successful boot. > >> > > >> > This is on a 4-way AMD64 (HP) server with 8 GB RAM. > >> > > >> > Using initcall_debug, the last output on a hang is from arch/x86/pci/k8-bus_64.c: > >> > > >> > calling early_fill_mp_bus_info+0x0/0x7b2 > >> > node 0 link 1: io port [1000, 3fff] > >> > node 1 link 2: io port [4000, ffff] > >> > TOM: 0000000080000000 aka 2048M > >> > node 0 link 1: mmio [e8000000, fddfffff] > >> > node 1 link 2: mmio [fde00000, fdffffff] > >> > node 0 link 1: mmio [80000000, 83ffffff] > >> > node 1 link 2: mmio [84000000, 8fffffff] > >> > node 0 link 1: mmio [a0000, bffff] > >> > TOM2: 0000000280000000 aka 10240M > >> > bus: [00,3f] on node 0 link 1 > >> > bus: 00 index 0 io port: [0, 3fff] > >> > bus: 00 index 1 mmio: [90000000, fddfffff] > >> > bus: 00 index 2 mmio: [80000000, 83ffffff] > >> > bus: 00 index 3 mmio: [a0000, bffff] > >> > bus: 00 index 4 mmio: [fe000000, ffffffff] > >> > bus: 00 index 5 mmio: [280000000, fcffffffff] > >> > bus: [40,ff] on node 1 link 2 > >> > bus: 40 index 0 io port: [4000, ffff] > >> > bus: 40 index 1 mmio: [fde00000, fdffffff] > >> > > >> > > >> > There should be an index 2 line printed next, like this slightly modifed for debug > >> > version does (with CONFIG_NUMA=y), or maybe the following line(s) just aren't > >> > making it to the (net)console log and some other initcall function is actually > >> > hanging: (??) > >> > > >> > bus: [40,ff] on node 1 link 2 > >> > bus: 40 index 0/3 io port: [4000, ffff] > >> > bus: 40 index 1/3 mmio: [fde00000, fdffffff] > >> > bus: 40 index 2/3 mmio: [84000000, 8fffffff] > >> > early_fill_mp_bus_info: done > >> > > >> > > >> > Has anyone seen something like this? Any patches to test? > >> > > >> > The next initcall functions (on a working boot) are: > >> > > >> > calling arch_kdebugfs_init+0x0/0x8 > >> > initcall arch_kdebugfs_init+0x0/0x8 returned 0 after 0 msecs > >> > calling mtrr_if_init+0x0/0x77 > >> > initcall mtrr_if_init+0x0/0x77 returned 0 after 0 msecs > >> > calling ffh_cstate_init+0x0/0x31 > >> > initcall ffh_cstate_init+0x0/0x31 returned -1 after 0 msecs > >> > initcall ffh_cstate_init+0x0/0x31 returned with error code -1 > >> > calling acpi_pci_init+0x0/0x4a > >> > ACPI: bus type pci registered > >> > initcall acpi_pci_init+0x0/0x4a returned 0 after 0 msecs > >> > >> can you send out your config? > > > > Yes, sorry about omitting that. Bad (not working) and good/working > > are attached. > > > > can you check latest tip/master?
It still hangs for me.
> I tried that with your bad config on server test servers. all work well.
Can (or did) you try 2.6.26-rc5?
--- ~Randy
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