Re: [git pull] first round of PCI updates for 2.6.32

From: Jesse Barnes
Date: Thu Sep 17 2009 - 14:46:32 EST

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On Thu, 17 Sep 2009 19:59:44 +0200
Ingo Molnar <mingo@xxxxxxx> wrote:

>
> * Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote:
>
> > On Thu, 17 Sep 2009 19:30:12 +0200
> > Ingo Molnar <mingo@xxxxxxx> wrote:
> >
> > >
> > > * Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote:
> > >
> > > > The following changes since commit
> > > > 332a3392188e0ad966543c87b8da2b9d246f301d: Linus Torvalds (1):
> > > > Merge git://git.kernel.org/.../herbert/crypto-2.6
> > >
> > > Since this went upstream -tip tests have been triggering nasty
> > > bootup crashes in the PCI code:
> > >
> > > [ 4.366174] initcall pci_proc_init+0x0/0x7a returned 0 after
> > > 976 usecs [ 4.373009] calling pcie_portdrv_init+0x0/0x60 @ 1
> > > [ 4.378368] bus: 'pci_express': registered
> > > [ 4.382009] bus: 'pci': add driver pcieport-driver
> > > [ 4.387058] bus: 'pci': driver_probe_device: matched device
> > > 0000:00:0b.0 with driver pcieport-driver [ 4.396005] bus:
> > > 'pci': really_probe: probing driver pcieport-driver with device
> > > 0000:00:0b.0 [ 4.404056] cpumask_of_node(255): node >
> > > nr_node_ids(16) [ 4.410007] Pid: 1, comm: swapper Not tainted
> > > 2.6.31 #14941 [ 4.415005] Call Trace: [ 4.418010]
> > > [<c182cdac>] ? printk+0x22/0x35 [ 4.422009] [<c10503f6>]
> > > cpumask_of_node+0x32/0x74 [ 4.427007] [<c1344e71>]
> > > pci_device_probe+0x7a/0xee [ 4.432009] [<c1381faf>]
> > > driver_probe_device+0xc1/0x17a [ 4.437008] [<c13820be>]
> > > __driver_attach+0x56/0x84 [ 4.442008] [<c1381645>]
> > > bus_for_each_dev+0x53/0x8e [ 4.447007] [<c1382068>] ?
> > > __driver_attach+0x0/0x84 [ 4.452007] [<c1381d7a>]
> > > driver_attach+0x27/0x3a [ 4.456007] [<c1382068>] ?
> > > __driver_attach+0x0/0x84 [ 4.461007] [<c1380f2f>]
> > > bus_add_driver+0x122/0x25a [ 4.466008] [<c1382424>]
> > > driver_register+0x9b/0x10c [ 4.471008] [<c13320a3>] ?
> > > __spin_lock_init+0x34/0x69 [ 4.476007] [<c13450df>]
> > > __pci_register_driver+0x56/0xc3 [ 4.482007] [<c1c7fb0c>] ?
> > > pcie_portdrv_init+0x0/0x60 [ 4.487007] [<c1c7fb49>]
> > > pcie_portdrv_init+0x3d/0x60 [ 4.492007] [<c1001096>]
> > > do_one_initcall+0x6d/0x183 [ 4.497008] [<c1c5a4d6>]
> > > kernel_init+0x187/0x1ec [ 4.501007] [<c1c5a34f>] ?
> > > kernel_init+0x0/0x1ec [ 4.506007] [<c102cce7>]
> > > kernel_thread_helper+0x7/0x10 [ 4.511207] ------------[ cut
> > > here ]------------ [ 4.511999] WARNING: at
> > > kernel/lockdep.c:2813 __lock_acquire+0x7bc/0x147a()
> > > [ 4.511999] Hardware name: System Product Name [ 4.511999]
> > > Modules linked in: [ 4.511999] Pid: 1, comm: swapper Not
> > > tainted 2.6.31 #14941 [ 4.511999] Call Trace:
> > > [ 4.511999] [<c10947d7>] ? __lock_acquire+0x7bc/0x147a
> > > [ 4.511999] [<c1069325>] warn_slowpath_common+0x74/0xb5
> > > [ 4.511999] [<c110d65c>] ? get_partial_node+0x2c/0xbd
> > > [ 4.511999] [<c1069387>] warn_slowpath_null+0x21/0x35
> > > [ 4.511999] [<c10947d7>] __lock_acquire+0x7bc/0x147a
> > > [ 4.511999] [<c110b526>] ? add_partial+0x26/0x62
> > > [ 4.511999] [<c110d65c>] ? get_partial_node+0x2c/0xbd
> > > [ 4.511999] [<c110b526>] ? add_partial+0x26/0x62
> > > [ 4.511999] [<c110b526>] ? add_partial+0x26/0x62
> > > [ 4.511999] [<c1095479>] ? __lock_acquire+0x145e/0x147a
> > > [ 4.511999] [<c110b526>] ? add_partial+0x26/0x62
> > > [ 4.511999] [<c110d65c>] ? get_partial_node+0x2c/0xbd
> > > [ 4.511999] [<c1095563>] lock_acquire+0xce/0xf6
> > > [ 4.511999] [<c110d65c>] ? get_partial_node+0x2c/0xbd
> > > [ 4.511999] [<c1830676>] _spin_lock+0x35/0x55
> > > [ 4.511999] [<c110d65c>] ? get_partial_node+0x2c/0xbd
> > > [ 4.511999] [<c110d65c>] get_partial_node+0x2c/0xbd
> > > [ 4.511999] [<c110db0a>] __slab_alloc+0x154/0x4a7
> > > [ 4.511999] [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2
> > > [ 4.511999] [<c110de9a>] ?
> > > kmem_cache_alloc_node_notrace+0x3d/0x104 [ 4.511999]
> > > [<c110ded7>] kmem_cache_alloc_node_notrace+0x7a/0x104
> > > [ 4.511999] [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2
> > > [ 4.511999] [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2
> > > [ 4.511999] [<c17e65c4>] irq_to_desc_alloc_node+0x99/0x2d2
> > > [ 4.511999] [<c1042cde>] create_irq_nr+0x48/0xce
> > > [ 4.511999] [<c1042dd3>] arch_setup_msi_irqs+0x6f/0x1b3
> > > [ 4.511999] [<c134b685>] ? alloc_msi_entry+0x2b/0xb1
> > > [ 4.511999] [<c134c40d>] pci_enable_msi_block+0x228/0x2bf
> > > [ 4.511999] [<c1349380>]
> > > pcie_port_device_register+0x318/0x508 [ 4.511999]
> > > [<c10934bb>] ? trace_hardirqs_on+0x19/0x2c [ 4.511999]
> > > [<c183049f>] ? _spin_unlock_irqrestore+0x55/0x7d [ 4.511999]
> > > [<c133e63f>] ? pci_bus_read_config_word+0x6f/0x8c [ 4.511999]
> > > [<c1349035>] ? pcie_port_device_probe+0x3b/0x6e [ 4.511999]
> > > [<c17ea9e4>] pcie_portdrv_probe+0x67/0x8f [ 4.511999]
> > > [<c1344b65>] local_pci_probe+0x22/0x35 [ 4.511999]
> > > [<c1344e9b>] pci_device_probe+0xa4/0xee [ 4.511999]
> > > [<c1381faf>] driver_probe_device+0xc1/0x17a [ 4.511999]
> > > [<c13820be>] __driver_attach+0x56/0x84 [ 4.511999]
> > > [<c1381645>] bus_for_each_dev+0x53/0x8e [ 4.511999]
> > > [<c1382068>] ? __driver_attach+0x0/0x84 [ 4.511999]
> > > [<c1381d7a>] driver_attach+0x27/0x3a [ 4.511999]
> > > [<c1382068>] ? __driver_attach+0x0/0x84 [ 4.511999]
> > > [<c1380f2f>] bus_add_driver+0x122/0x25a [ 4.511999]
> > > [<c1382424>] driver_register+0x9b/0x10c [ 4.511999]
> > > [<c13320a3>] ? __spin_lock_init+0x34/0x69 [ 4.511999]
> > > [<c13450df>] __pci_register_driver+0x56/0xc3 [ 4.511999]
> > > [<c1c7fb0c>] ? pcie_portdrv_init+0x0/0x60 [ 4.511999]
> > > [<c1c7fb49>] pcie_portdrv_init+0x3d/0x60 [ 4.511999]
> > > [<c1001096>] do_one_initcall+0x6d/0x183 [ 4.511999]
> > > [<c1c5a4d6>] kernel_init+0x187/0x1ec [ 4.511999]
> > > [<c1c5a34f>] ? kernel_init+0x0/0x1ec [ 4.511999] [<c102cce7>]
> > > kernel_thread_helper+0x7/0x10 [ 4.511999] ---[ end trace
> > > 5a5d197966b56a2e ]--- [ 5.704001] BUG: spinlock lockup on
> > > CPU#1, swapper/1, c1bdbaac [ 5.704001] Pid: 1, comm: swapper
> > > Tainted: G W 2.6.31 #14941 [ 5.704001] Call Trace:
> > > [ 5.704001] [<c182cdac>] ? printk+0x22/0x35 [ 5.704001]
> > > [<c1331fca>] _raw_spin_lock+0x106/0x142 [ 5.704001]
> > > [<c183067d>] _spin_lock+0x3c/0x55 [ 5.704001] [<c110d65c>] ?
> > > get_partial_node+0x2c/0xbd [ 5.704001] [<c110d65c>]
> > > get_partial_node+0x2c/0xbd [ 5.704001] [<c110db0a>]
> > > __slab_alloc+0x154/0x4a7 [ 5.704001] [<c17e65c4>] ?
> > > irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001] [<c110de9a>] ?
> > > kmem_cache_alloc_node_notrace+0x3d/0x104 [ 5.704001]
> > > [<c110ded7>] kmem_cache_alloc_node_notrace+0x7a/0x104
> > > [ 5.704001] [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2
> > > [ 5.704001] [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2
> > > [ 5.704001] [<c17e65c4>] irq_to_desc_alloc_node+0x99/0x2d2
> > > [ 5.704001] [<c1042cde>] create_irq_nr+0x48/0xce
> > > [ 5.704001] [<c1042dd3>] arch_setup_msi_irqs+0x6f/0x1b3
> > > [ 5.704001] [<c134b685>] ? alloc_msi_entry+0x2b/0xb1
> > > [ 5.704001] [<c134c40d>] pci_enable_msi_block+0x228/0x2bf
> > > [ 5.704001] [<c1349380>]
> > > pcie_port_device_register+0x318/0x508 [ 5.704001]
> > > [<c10934bb>] ? trace_hardirqs_on+0x19/0x2c [ 5.704001]
> > > [<c183049f>] ? _spin_unlock_irqrestore+0x55/0x7d [ 5.704001]
> > > [<c133e63f>] ? pci_bus_read_config_word+0x6f/0x8c [ 5.704001]
> > > [<c1349035>] ? pcie_port_device_probe+0x3b/0x6e [ 5.704001]
> > > [<c17ea9e4>] pcie_portdrv_probe+0x67/0x8f [ 5.704001]
> > > [<c1344b65>] local_pci_probe+0x22/0x35 [ 5.704001]
> > > [<c1344e9b>] pci_device_probe+0xa4/0xee [ 5.704001]
> > > [<c1381faf>] driver_probe_device+0xc1/0x17a [ 5.704001]
> > > [<c13820be>] __driver_attach+0x56/0x84 [ 5.704001]
> > > [<c1381645>] bus_for_each_dev+0x53/0x8e [ 5.704001]
> > > [<c1382068>] ? __driver_attach+0x0/0x84 [ 5.704001]
> > > [<c1381d7a>] driver_attach+0x27/0x3a [ 5.704001]
> > > [<c1382068>] ? __driver_attach+0x0/0x84 [ 5.704001]
> > > [<c1380f2f>] bus_add_driver+0x122/0x25a [ 5.704001]
> > > [<c1382424>] driver_register+0x9b/0x10c [ 5.704001]
> > > [<c13320a3>] ? __spin_lock_init+0x34/0x69 [ 5.704001]
> > > [<c13450df>] __pci_register_driver+0x56/0xc3 [ 5.704001]
> > > [<c1c7fb0c>] ? pcie_portdrv_init+0x0/0x60 [ 5.704001]
> > > [<c1c7fb49>] pcie_portdrv_init+0x3d/0x60 [ 5.704001]
> > > [<c1001096>] do_one_initcall+0x6d/0x183 [ 5.704001]
> > > [<c1c5a4d6>] kernel_init+0x187/0x1ec [ 5.704001]
> > > [<c1c5a34f>] ? kernel_init+0x0/0x1ec [ 5.704001] [<c102cce7>]
> > > kernel_thread_helper+0x7/0x10 [ 5.704001] sending NMI to all
> > > CPUs: [ 5.704001] NMI backtrace for cpu 1 [ 5.704001]
> > > [ 5.704001] Pid: 1, comm: swapper Tainted: G W (2.6.31
> > > #14941) System Product Name [ 5.704001] EIP: 0060:[<c1092481>]
> > > EFLAGS: 00000046 CPU: 1 [ 5.704001] EIP is at
> > > trace_hardirqs_off_caller+0xb8/0xbd [ 5.704001] EAX: 00000000
> > > EBX: f60b8000 ECX: c1be08e4 EDX: c103ff84 [ 5.704001] ESI:
> > > c103ff84 EDI: 00000006 EBP: f60a2c30 ESP: f60a2c24
> > > [ 5.704001] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
> > > [ 5.704001] CR0: 8005003b CR2: 00000000 CR3: 01bd7000 CR4:
> > > 000006f0 [ 5.704001] DR0: 00000000 DR1: 00000000 DR2: 00000000
> > > DR3: 00000000 [ 5.704001] DR6: ffff0ff0 DR7: 00000400
> > > [ 5.704001] Call Trace: [ 5.704001] [<c109249f>]
> > > trace_hardirqs_off+0x19/0x2c [ 5.704001] [<c103ff84>]
> > > default_send_IPI_mask_logical+0xde/0x100 [ 5.704001]
> > > [<c103fc91>] default_send_IPI_all+0x35/0x87 [ 5.704001]
> > > [<c10404ec>] arch_trigger_all_cpu_backtrace+0x5c/0x9e
> > > [ 5.704001] [<c1331fcf>] _raw_spin_lock+0x10b/0x142
> > > [ 5.704001] [<c183067d>] _spin_lock+0x3c/0x55 [ 5.704001]
> > > [<c110d65c>] ? get_partial_node+0x2c/0xbd [ 5.704001]
> > > [<c110d65c>] get_partial_node+0x2c/0xbd [ 5.704001]
> > > [<c110db0a>] __slab_alloc+0x154/0x4a7 [ 5.704001]
> > > [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001]
> > > [<c110de9a>] ? kmem_cache_alloc_node_notrace+0x3d/0x104
> > > [ 5.704001] [<c110ded7>]
> > > kmem_cache_alloc_node_notrace+0x7a/0x104 [ 5.704001]
> > > [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001]
> > > [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001]
> > > [<c17e65c4>] irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001]
> > > [<c1042cde>] create_irq_nr+0x48/0xce [ 5.704001] [<c1042dd3>]
> > > arch_setup_msi_irqs+0x6f/0x1b3 [ 5.704001] [<c134b685>] ?
> > > alloc_msi_entry+0x2b/0xb1 [ 5.704001] [<c134c40d>]
> > > pci_enable_msi_block+0x228/0x2bf [ 5.704001] [<c1349380>]
> > > pcie_port_device_register+0x318/0x508 [ 5.704001]
> > > [<c10934bb>] ? trace_hardirqs_on+0x19/0x2c [ 5.704001]
> > > [<c183049f>] ? _spin_unlock_irqrestore+0x55/0x7d [ 5.704001]
> > > [<c133e63f>] ? pci_bus_read_config_word+0x6f/0x8c [ 5.704001]
> > > [<c1349035>] ? pcie_port_device_probe+0x3b/0x6e [ 5.704001]
> > > [<c17ea9e4>] pcie_portdrv_probe+0x67/0x8f [ 5.704001]
> > > [<c1344b65>] local_pci_probe+0x22/0x35 [ 5.704001]
> > > [<c1344e9b>] pci_device_probe+0xa4/0xee [ 5.704001]
> > > [<c1381faf>] driver_probe_device+0xc1/0x17a [ 5.704001]
> > > [<c13820be>] __driver_attach+0x56/0x84 [ 5.704001]
> > > [<c1381645>] bus_for_each_dev+0x53/0x8e [ 5.704001]
> > > [<c1382068>] ? __driver_attach+0x0/0x84 [ 5.704001]
> > > [<c1381d7a>] driver_attach+0x27/0x3a [ 5.704001]
> > > [<c1382068>] ? __driver_attach+0x0/0x84 [ 5.704001]
> > > [<c1380f2f>] bus_add_driver+0x122/0x25a [ 5.704001]
> > > [<c1382424>] driver_register+0x9b/0x10c [ 5.704001]
> > > [<c13320a3>] ? __spin_lock_init+0x34/0x69 [ 5.704001]
> > > [<c13450df>] __pci_register_driver+0x56/0xc3 [ 5.704001]
> > > [<c1c7fb0c>] ? pcie_portdrv_init+0x0/0x60 [ 5.704001]
> > > [<c1c7fb49>] pcie_portdrv_init+0x3d/0x60 [ 5.704001]
> > > [<c1001096>] do_one_initcall+0x6d/0x183 [ 5.704001]
> > > [<c1c5a4d6>] kernel_init+0x187/0x1ec [ 5.704001]
> > > [<c1c5a34f>] ? kernel_init+0x0/0x1ec [ 5.704001] [<c102cce7>]
> > > kernel_thread_helper+0x7/0x10 [ 5.704001] Pid: 1, comm:
> > > swapper Tainted: G W 2.6.31 #14941 [ 5.704001] Call
> > > Trace: [ 5.704001] [<c102ae6f>] ? show_regs+0x34/0x4b
> > > [ 5.704001] [<c1831f4d>] nmi_watchdog_tick+0xea/0x222
> > > [ 5.704001] [<c1831365>] do_nmi+0xa9/0x2a9 [ 5.704001]
> > > [<c103ff84>] ? default_send_IPI_mask_logical+0xde/0x100
> > > [ 5.704001] [<c1830ea0>] nmi_stack_correct+0x2f/0x34
> > > [ 5.704001] [<c103ff84>] ?
> > > default_send_IPI_mask_logical+0xde/0x100 [ 5.704001]
> > > [<c103ff84>] ? default_send_IPI_mask_logical+0xde/0x100
> > > [ 5.704001] [<c1092481>] ?
> > > trace_hardirqs_off_caller+0xb8/0xbd [ 5.704001] [<c109249f>]
> > > trace_hardirqs_off+0x19/0x2c [ 5.704001] [<c103ff84>]
> > > default_send_IPI_mask_logical+0xde/0x100 [ 5.704001]
> > > [<c103fc91>] default_send_IPI_all+0x35/0x87 [ 5.704001]
> > > [<c10404ec>] arch_trigger_all_cpu_backtrace+0x5c/0x9e
> > > [ 5.704001] [<c1331fcf>] _raw_spin_lock+0x10b/0x142
> > > [ 5.704001] [<c183067d>] _spin_lock+0x3c/0x55 [ 5.704001]
> > > [<c110d65c>] ? get_partial_node+0x2c/0xbd [ 5.704001]
> > > [<c110d65c>] get_partial_node+0x2c/0xbd [ 5.704001]
> > > [<c110db0a>] __slab_alloc+0x154/0x4a7 [ 5.704001]
> > > [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001]
> > > [<c110de9a>] ? kmem_cache_alloc_node_notrace+0x3d/0x104
> > > [ 5.704001] [<c110ded7>]
> > > kmem_cache_alloc_node_notrace+0x7a/0x104 [ 5.704001]
> > > [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001]
> > > [<c17e65c4>] ? irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001]
> > > [<c17e65c4>] irq_to_desc_alloc_node+0x99/0x2d2 [ 5.704001]
> > > [<c1042cde>] create_irq_nr+0x48/0xce [ 5.704001] [<c1042dd3>]
> > > arch_setup_msi_irqs+0x6f/0x1b3 [ 5.704001] [<c134b685>] ?
> > > alloc_msi_entry+0x2b/0xb1 [ 5.704001] [<c134c40d>]
> > > pci_enable_msi_block+0x228/0x2bf [ 5.704001] [<c1349380>]
> > > pcie_port_device_register+0x318/0x508 [ 5.704001]
> > > [<c10934bb>] ? trace_hardirqs_on+0x19/0x2c [ 5.704001]
> > > [<c183049f>] ? _spin_unlock_irqrestore+0x55/0x7d [ 5.704001]
> > > [<c133e63f>] ? pci_bus_read_config_word+0x6f/0x8c [ 5.704001]
> > > [<c1349035>] ? pcie_port_device_probe+0x3b/0x6e [ 5.704001]
> > > [<c17ea9e4>] pcie_portdrv_probe+0x67/0x8f [ 5.704001]
> > > [<c1344b65>] local_pci_probe+0x22/0x35 [ 5.704001]
> > > [<c1344e9b>] pci_device_probe+0xa4/0xee [ 5.704001]
> > > [<c1381faf>] driver_probe_device+0xc1/0x17a [ 5.704001]
> > > [<c13820be>] __driver_attach+0x56/0x84 [ 5.704001]
> > > [<c1381645>] bus_for_each_dev+0x53/0x8e [ 5.704001]
> > > [<c1382068>] ? __driver_attach+0x0/0x84 [ 5.704001]
> > > [<c1381d7a>] driver_attach+0x27/0x3a [ 5.704001]
> > > [<c1382068>] ? __driver_attach+0x0/0x84 [ 5.704001]
> > > [<c1380f2f>] bus_add_driver+0x122/0x25a [ 5.704001]
> > > [<c1382424>] driver_register+0x9b/0x10c [ 5.704001]
> > > [<c13320a3>] ? __spin_lock_init+0x34/0x69 [ 5.704001]
> > > [<c13450df>] __pci_register_driver+0x56/0xc3 [ 5.704001]
> > > [<c1c7fb0c>] ? pcie_portdrv_init+0x0/0x60 [ 5.704001]
> > > [<c1c7fb49>] pcie_portdrv_init+0x3d/0x60 [ 5.704001]
> > > [<c1001096>] do_one_initcall+0x6d/0x183 [ 5.704001]
> > > [<c1c5a4d6>] kernel_init+0x187/0x1ec [ 5.704001]
> > > [<c1c5a34f>] ? kernel_init+0x0/0x1ec [ 5.704001] [<c102cce7>]
> > > kernel_thread_helper+0x7/0x10 [ 129.036999] NMI backtrace for
> > > cpu 0 [ 129.036999] [ 129.036999] Pid: 0, comm: swapper
> > > Tainted: G W (2.6.31 #14941) System Product Name
> > > [ 129.036999] EIP: 0060:[<c10325b2>] EFLAGS: 00000246 CPU: 0
> > > [ 129.036999] EIP is at default_idle+0x9a/0x110 [ 129.036999]
> > > EAX: 00000000 EBX: c1c560d0 ECX: c102af40 EDX: 00733000
> > > [ 129.036999] ESI: 00000000 EDI: c1bd8000 EBP: c1bd6fa0 ESP:
> > > c1bd6f7c [ 129.036999] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS:
> > > 0068 [ 129.036999] CR0: 8005003b CR2: 00000000 CR3: 01bd7000
> > > CR4: 000006f0 [ 129.036999] DR0: 00000000 DR1: 00000000 DR2:
> > > 00000000 DR3: 00000000 [ 129.036999] DR6: ffff0ff0 DR7: 00000400
> > > [ 129.036999] Call Trace: [ 129.036999] [<c17e54fb>] ?
> > > rest_init+0x7f/0x92 [ 129.036999] [<c102af46>]
> > > cpu_idle+0xc0/0xee [ 129.036999] [<c17e54fb>]
> > > rest_init+0x7f/0x92 [ 129.036999] [<c1c5ab50>]
> > > start_kernel+0x3f8/0x410 [ 129.036999] [<c1c5a079>]
> > > __init_begin+0x79/0x8f [ 129.036999] Pid: 0, comm: swapper
> > > Tainted: G W 2.6.31 #14941 [ 129.036999] Call Trace:
> > > [ 129.036999] [<c102ae6f>] ? show_regs+0x34/0x4b
> > > [ 129.036999] [<c1831f4d>] nmi_watchdog_tick+0xea/0x222
> > > [ 129.036999] [<c1831365>] do_nmi+0xa9/0x2a9 [ 129.036999]
> > > [<c1830ea0>] nmi_stack_correct+0x2f/0x34 [ 129.036999]
> > > [<c102af40>] ? cpu_idle+0xba/0xee [ 129.036999] [<c10325b2>] ?
> > > default_idle+0x9a/0x110 [ 129.036999] [<c17e54fb>] ?
> > > rest_init+0x7f/0x92 [ 129.036999] [<c102af46>]
> > > cpu_idle+0xc0/0xee [ 129.036999] [<c17e54fb>]
> > > rest_init+0x7f/0x92 [ 129.036999] [<c1c5ab50>]
> > > start_kernel+0x3f8/0x410 [ 129.036999] [<c1c5a079>]
> > > __init_begin+0x79/0x8f
> > >
> > > Config and full bootlog attached.
> > >
> > > Note:
> > >
> > > CONFIG_DEBUG_PER_CPU_MAPS=y
> > > CONFIG_CPUMASK_OFFSTACK=y
> >
> > Does this patch fix it? I sent it to you earlier but I never heard
> > back...
>
> Ah ... you probably sent it in the merge window communication
> blackout ;-)
>
> Will try, thanks.

That must have been it :) I'd prefer this version to Yinghai's if it
works, since it will avoid putting everything on node 0 (the whole
point of the patch in the first place).

Thanks,
--
Jesse Barnes, Intel Open Source Technology Center
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