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Message-ID: <5459E82B.2080109@linux.intel.com>
Date: Wed, 05 Nov 2014 17:04:43 +0800
From: Jiang Liu <jiang.liu@linux.intel.com>
Organization: Intel
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To: Joerg Roedel <joro@8bytes.org>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Randy Dunlap <rdunlap@infradead.org>, Yinghai Lu <yinghai@kernel.org>,
        Borislav Petkov <bp@alien8.de>, Grant Likely <grant.likely@linaro.org>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Yingjoe Chen <yingjoe.chen@mediatek.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Tony Luck <tony.luck@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>, x86@kernel.org,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
        linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [Patch Part2 v4 00/31] Enable hierarchy irqdomian on x86 platforms
References: <1415102525-9898-1-git-send-email-jiang.liu@linux.intel.com> <20141104144730.GE14512@8bytes.org> <5458ECF3.4040308@linux.intel.com> <20141105085154.GG10744@8bytes.org>
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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

> 
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