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Message-ID: <20140925030459.GB13564@localhost>
Date: Thu, 25 Sep 2014 11:04:59 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Alexander Gordeev <agordeev@...hat.com>
Cc: Dave Hansen <dave.hansen@...el.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [PCI/MSI] WARNING: CPU: 0 PID: 1 at drivers/pci/msi.c:1034
pci_enable_msi_range+0x2c1/0x2f0()
Hi Alexander,
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/msi
commit 4ab2ee7c77875669230a797a3ed2228990f82545 ("PCI/MSI: Rename pci_msi_check_device() to pci_msi_supported()")
+-----------------------------------------------------+------------+------------+
| | 888215f389 | 4ab2ee7c77 |
+-----------------------------------------------------+------------+------------+
| boot_successes | 15 | 2 |
| early-boot-hang | 1 | |
| boot_failures | 0 | 13 |
| WARNING:at_drivers/pci/msi.c:pci_enable_msi_range() | 0 | 5 |
| WARNING:at_fs/sysfs/dir.c:sysfs_warn_dup() | 0 | 5 |
| backtrace:ip_auto_config | 0 | 5 |
| backtrace:kernel_init_freeable | 0 | 5 |
| BUG:kernel_test_crashed | 0 | 8 |
+-----------------------------------------------------+------------+------------+
[ 5.410055] evm: HMAC attrs: 0x1
[ 5.413893] rtc_cmos 00:01: setting system clock to 2014-09-25 00:13:24 UTC (1411604004)
[ 5.447469] ------------[ cut here ]------------
[ 5.452212] WARNING: CPU: 0 PID: 1 at drivers/pci/msi.c:1034 pci_enable_msi_range+0x2c1/0x2f0()
[ 5.462479] Modules linked in:
[ 5.465712] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.17.0-rc2-00011-g4ab2ee7 #1
[ 5.473467] Hardware name: Supermicro X7DB8/X7DB8, BIOS 6.00 04/28/2006
[ 5.480202] 0000000000000009 ffff880139ab7c00 ffffffff8185b75a 0000000000000000
[ 5.488043] ffff880139ab7c38 ffffffff8107056d 0000000000000001 ffff88007f8ec000
[ 5.495879] ffff88013974e098 ffff88013974e000 ffff88007f8ecdb8 ffff880139ab7c48
[ 5.503722] Call Trace:
[ 5.506293] [<ffffffff8185b75a>] dump_stack+0x4d/0x66
[ 5.511552] [<ffffffff8107056d>] warn_slowpath_common+0x7d/0xa0
[ 5.517675] [<ffffffff8107064a>] warn_slowpath_null+0x1a/0x20
[ 5.523631] [<ffffffff81449961>] pci_enable_msi_range+0x2c1/0x2f0
[ 5.529932] [<ffffffff815b490a>] e1000_open+0x22a/0x4b0
[ 5.535368] [<ffffffff8172d466>] __dev_open+0xb6/0x130
[ 5.540712] [<ffffffff8172d77d>] __dev_change_flags+0x9d/0x160
[ 5.546754] [<ffffffff8172d869>] dev_change_flags+0x29/0x70
[ 5.552534] [<ffffffff81e5707e>] ip_auto_config+0x1c4/0xe7f
[ 5.558314] [<ffffffff81e56eba>] ? root_nfs_parse_addr+0xba/0xba
[ 5.564529] [<ffffffff81405f1e>] ? kasprintf+0x3e/0x40
[ 5.569876] [<ffffffff81e56eba>] ? root_nfs_parse_addr+0xba/0xba
[ 5.576091] [<ffffffff81002130>] do_one_initcall+0xc0/0x1f0
[ 5.581871] [<ffffffff81002130>] ? do_one_initcall+0xc0/0x1f0
[ 5.587826] [<ffffffff8108f000>] ? parse_args+0x180/0x4e0
[ 5.593436] [<ffffffff81df511b>] kernel_init_freeable+0x1b3/0x23b
[ 5.599735] [<ffffffff8184ed70>] ? rest_init+0x90/0x90
[ 5.605079] [<ffffffff8184ed7e>] kernel_init+0xe/0xf0
[ 5.610341] [<ffffffff8186437c>] ret_from_fork+0x7c/0xb0
[ 5.615861] [<ffffffff8184ed70>] ? rest_init+0x90/0x90
[ 5.621207] ---[ end trace 3e09fff841f00690 ]---
[ 5.625958] e1000e 0000:06:00.0: irq 27 for MSI/MSI-X
Thanks,
Fengguang
View attachment ".dmesg" of type "text/plain" (92195 bytes)
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