On 2014/11/5 16:51, Joerg Roedel wrote: > 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 Hi Joerg, Something is wrong with multiple MSI interrupt support, which is only enabled when IRQ remapping is in use. Keeping analyzing and will ask for you help when I have any ideas for debugging:) Regards! Gerry > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html