[Patch Part2 v4 00/31] Enable hierarchy irqdomian on x86 platforms

[Joerg Roedel]

On Tue, Nov 04, 2014 at 11:12:51PM +0800, Jiang Liu wrote:
> 	Do you have the call stack?

Okay, had some issues with serial setup, but now its working. Here is
the complete panic msg from the AMD Kaveri box (the panic only occurs
with IOMMU enabled):

[    2.487552] ahci 0000:00:11.0: AHCI 0001.0300 32 slots 8 ports 6 Gbps 0xff impl SATA mode
[    2.495844] ahci 0000:00:11.0: flags: 64bit ncq sntf ilck pm led clo pmp pio slum part 
[    2.504592] BUG: unable to handle kernel NULL pointer dereference at           (null)
[    2.512618] IP: [<ffffffff8136849d>] msi_set_mask_bit+0xd/0x50
[    2.518556] PGD 0 
[    2.520672] Oops: 0000 [#1] PREEMPT SMP 
[    2.524784] Modules linked in:
[    2.527946] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 3.18.0-rc3+ #4
[    2.534384] Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./F2A88XM-HD3, BIOS F6 05/28/2014
[    2.544576] task: ffff88042b54c010 ti: ffff88042b550000 task.ti: ffff88042b550000
[    2.552170] RIP: 0010:[<ffffffff8136849d>]  [<ffffffff8136849d>] msi_set_mask_bit+0xd/0x50
[    2.560594] RSP: 0000:ffff88042b5539d8  EFLAGS: 00010096
[    2.565954] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88042b553968
[    2.573175] RDX: ffffffff81c25f40 RSI: 0000000000000000 RDI: ffff880424c65c00
[    2.580361] RBP: ffff88042b5539e8 R08: ffff88042b519800 R09: ffff88042b000b20
[    2.587582] R10: ffff880424c24410 R11: 0000000000000246 R12: 0000000000000001
[    2.594762] R13: ffff8804253fb2c0 R14: ffff880424c24410 R15: ffff880424c65c98
[    2.601983] FS:  0000000000000000(0000) GS:ffff88043ed80000(0000) knlGS:0000000000000000
[    2.610181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.615975] CR2: 0000000000000000 CR3: 0000000001c16000 CR4: 00000000000407e0
[    2.623197] Stack:
[    2.625264]  ffff88042b5539f8 ffff880424c65c00 ffff88042b5539f8 ffffffff813688fb
[    2.632936]  ffff88042b553a18 ffffffff810b0603 ffff880424c65c00 ffff880424c65c00
[    2.640598]  ffff88042b553a48 ffffffff810b0685 0000000000000000 0000000000000000
[    2.648261] Call Trace:
[    2.650768]  [<ffffffff813688fb>] unmask_msi_irq+0xb/0x10
[    2.656222]  [<ffffffff810b0603>] irq_enable+0x33/0x50
[    2.661414]  [<ffffffff810b0685>] irq_startup+0x65/0x70
[    2.666696]  [<ffffffff810af161>] __setup_irq+0x511/0x5a0
[    2.672152]  [<ffffffff81196326>] ? __kmalloc_track_caller+0x256/0x4b0
[    2.678733]  [<ffffffff81460a50>] ? ahci_bad_pmp_check_ready+0x60/0x60
[    2.685347]  [<ffffffff810af34a>] request_threaded_irq+0xca/0x170
[    2.691529]  [<ffffffff81460a50>] ? ahci_bad_pmp_check_ready+0x60/0x60
[    2.698110]  [<ffffffff81461ee0>] ? ahci_single_irq_intr+0x110/0x110
[    2.704517]  [<ffffffff810b102a>] devm_request_threaded_irq+0x5a/0xc0
[    2.711002]  [<ffffffff81462b93>] ahci_host_activate+0x143/0x220
[    2.717098]  [<ffffffff814602a8>] ahci_init_one+0x7b8/0xb00
[    2.722728]  [<ffffffff8134e760>] local_pci_probe+0x40/0xa0
[    2.728355]  [<ffffffff8134f9b5>] ? pci_match_device+0xe5/0x110
[    2.734365]  [<ffffffff8134faf1>] pci_device_probe+0xd1/0x130
[    2.740164]  [<ffffffff81413d9b>] driver_probe_device+0x8b/0x3d0
[    2.746216]  [<ffffffff814141b3>] __driver_attach+0x93/0xa0
[    2.751846]  [<ffffffff81414120>] ? __device_attach+0x40/0x40
[    2.757681]  [<ffffffff81411e13>] bus_for_each_dev+0x63/0xa0
[    2.763385]  [<ffffffff81413819>] driver_attach+0x19/0x20
[    2.768842]  [<ffffffff81413430>] bus_add_driver+0x180/0x250
[    2.774591]  [<ffffffff81d2fd60>] ? ata_sff_init+0x33/0x33
[    2.780123]  [<ffffffff81414a0f>] driver_register+0x5f/0xf0
[    2.785751]  [<ffffffff8134e107>] __pci_register_driver+0x47/0x50
[    2.791892]  [<ffffffff81d2fd79>] ahci_pci_driver_init+0x19/0x1b
[    2.797954]  [<ffffffff810002f4>] do_one_initcall+0xb4/0x1f0
[    2.803667]  [<ffffffff81095e23>] ? __wake_up+0x43/0x60
[    2.808948]  [<ffffffff81ce7248>] kernel_init_freeable+0x197/0x21f
[    2.815181]  [<ffffffff81ce6983>] ? initcall_blacklist+0xc0/0xc0
[    2.821280]  [<ffffffff815fe680>] ? rest_init+0x90/0x90
[    2.826561]  [<ffffffff815fe689>] kernel_init+0x9/0xf0
[    2.831756]  [<ffffffff8161433c>] ret_from_fork+0x7c/0xb0
[    2.837211]  [<ffffffff815fe680>] ? rest_init+0x90/0x90
[    2.842489] Code: c1 83 c9 01 83 c2 0c 85 f6 0f 45 c1 48 63 d2 48 03 57 28 89 02 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 53 48 83 ec 08 48 8b 5f 40 <f6> 03 01 75 26 8b 4f 04 2b 4b 0c 89 f2 be 01 00 00 00 48 89 df 
[    2.864562] RIP  [<ffffffff8136849d>] msi_set_mask_bit+0xd/0x50
[    2.870588]  RSP <ffff88042b5539d8>
[    2.874127] CR2: 0000000000000000
[    2.877501] ---[ end trace dd9f8c29b83b2de1 ]---
[    2.882174] note: swapper/0[1] exited with preempt_count 1
[    2.887769] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009
[    2.887769] 
[    2.897147] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff)
[    2.907440] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009