linux-kernel - [LKP] [AHCI] genirq: Flags mismatch irq 20. 00002080 (ahci) vs. 00000080 (i801

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Date:	Fri, 7 Nov 2014 13:46:55 +0800
From:	LKP <lkp@...org>
To:	Marc Zyngier <marc.zyngier@....com>
Cc:	LKML <linux-kernel@...r.kernel.org>, lkp@...org,
	Yuanhan Liu <yuanhan.liu@...ux.intel.com>
Subject: [LKP] [AHCI] genirq: Flags mismatch irq 20. 00002080 (ahci) vs.
  00000080 (i801_smbus)

FYI, we noticed the below changes on

git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git fixes-3.18-rc1
commit ef78bbdb4dd6ef84f6d4c670f40ec202fe9807f4 ("AHCI: Fix threaded interrupt setup")

2974a1837592b49d  ef78bbdb4dd6ef84f6d4c670f4  testbox/testcase/testparams
----------------  --------------------------  ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :12         100%           5:5     client5/boot/performance-1
           :12         100%           5:5     TOTAL dmesg.genirq:Flags_mismatch_irq##(ahci)vs.#(i801_smbus)


client5: cpu: Core, memory: 12G


[   16.143988] ipmi_si 00:07: Found new BMC (man_id: 0x000157, prod_id: 0x0028, dev_id: 0x20)
[   16.143995] ipmi_si 00:07: IPMI kcs interface initialized
[   16.163607] ahci 0000:00:1f.2: flags: 64bit ncq pm led pmp slum part 
[   16.170555] genirq: Flags mismatch irq 20. 00002080 (ahci) vs. 00000080 (i801_smbus)
[   16.171533] CPU: 1 PID: 369 Comm: modprobe Not tainted 3.18.0-rc2-wl-ga4fb664 #1
[   16.171533] Hardware name: Intel S5000PAL/S5000PAL0, BIOS S5000.86B.10.00.0094.101320081858 10/13/2008
[   16.171533]  ffff88035d539b00 ffff88035d42b988 ffffffff8187741c 00000000000033c0
[   16.171533]  ffff88032efe5400 ffff88035d42b9e8 ffffffff810cbbaf ffff88035d42b9e8
[   16.171533]  0000000000000246 ffffffff810cbd22 ffff880344fa5800 ffff88035ca8a0e0
[   16.171533] Call Trace:
[   16.171533]  [<ffffffff8187741c>] dump_stack+0x4e/0x68
[   16.171533]  [<ffffffff810cbbaf>] __setup_irq+0x57f/0x5d0
[   16.171533]  [<ffffffff810cbd22>] ? request_threaded_irq+0x82/0x190
[   16.171533]  [<ffffffffa008c740>] ? ahci_dev_classify+0x60/0x60 [libahci]
[   16.171533]  [<ffffffff810cbd6c>] request_threaded_irq+0xcc/0x190
[   16.171533]  [<ffffffffa008c740>] ? ahci_dev_classify+0x60/0x60 [libahci]
[   16.171533]  [<ffffffffa008ce50>] ? ahci_port_thread_fn+0x600/0x600 [libahci]
[   16.171533]  [<ffffffff810cdc6f>] devm_request_threaded_irq+0x5f/0xc0
[   16.171533]  [<ffffffffa008d4f0>] ahci_host_activate+0x80/0x220 [libahci]
[   16.171533]  [<ffffffff8143ac1a>] ? pcibios_set_master+0x5a/0x90
[   16.171533]  [<ffffffffa00f5c45>] ahci_init_one+0x8c5/0xb60 [ahci]
[   16.171533]  [<ffffffff8143c365>] local_pci_probe+0x45/0xa0
[   16.171533]  [<ffffffff8143d6d5>] ? pci_match_device+0xe5/0x110
[   16.171533]  [<ffffffff8143d811>] pci_device_probe+0xd1/0x120
[   16.171533]  [<ffffffff81513320>] driver_probe_device+0x90/0x3e0
[   16.171533]  [<ffffffff8151374b>] __driver_attach+0x9b/0xa0
[   16.171533]  [<ffffffff815136b0>] ? __device_attach+0x40/0x40
[   16.171533]  [<ffffffff8151112b>] bus_for_each_dev+0x6b/0xb0
[   16.171533]  [<ffffffff81512d9e>] driver_attach+0x1e/0x20
[   16.171533]  [<ffffffff81512980>] bus_add_driver+0x180/0x250
[   16.171533]  [<ffffffffa002c000>] ? 0xffffffffa002c000
[   16.171533]  [<ffffffff81513f54>] driver_register+0x64/0xf0
[   16.171533]  [<ffffffff8143bbbc>] __pci_register_driver+0x4c/0x50
[   16.171533]  [<ffffffffa002c01e>] ahci_pci_driver_init+0x1e/0x1000 [ahci]
[   16.171533]  [<ffffffff81002130>] do_one_initcall+0xc0/0x1f0
[   16.171533]  [<ffffffff811a44d2>] ? __vunmap+0xa2/0x100
[   16.171533]  [<ffffffff810f6491>] load_module+0x15c1/0x1a60
[   16.171533]  [<ffffffff810f1e20>] ? store_uevent+0x40/0x40
[   16.171533]  [<ffffffff810f6ad6>] SyS_finit_module+0x86/0xb0
[   16.171533]  [<ffffffff8187fb29>] system_call_fastpath+0x12/0x17
[   16.403261] ahci: probe of 0000:00:1f.2 failed with error -16
[   16.409519] EDAC MC0: Giving out device to module i5000_edac.c controller I5000: DEV 0000:00:10.0 (POLLED)
[   16.419702] EDAC PCI0: Giving out device to module i5000_edac controller EDAC PCI controller: DEV 0000:00:10.0 (POLLED)

View attachment "dmesg" of type "text/plain" (139265 bytes)

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