kernel: WARNING: at fs/proc/generic.c:590 proc_register+0x129/0x220()

Issue

• [abrt] kernel: WARNING: at fs/proc/generic.c:590 proc_register+0x129/0x220()

バックトレース:
ケース 1:

:WARNING: at fs/proc/generic.c:590 proc_register+0x129/0x220() (Not tainted)
:Hardware name:U31SD
:proc_dir_entry 'video/GFX0' already registered
:Modules linked in: i915(+) nouveau ttm drm_kms_helper drm i2c_algo_bit i2c_core mxm_wmi wmi video output dm_mirror dm_region_hash dm_log dm_mod
comm: modprobe
:Call Trace:
:[<ffffffff81069b77>] ? warn_slowpath_common+0x87/0xc0
:[<ffffffff81069c66>] ? warn_slowpath_fmt+0x46/0x50
:[<ffffffff811e15c9>] ? proc_register+0x129/0x220
:[<ffffffff811e1d72>] ? proc_mkdir_mode+0x42/0x60
:[<ffffffff811e1da6>] ? proc_mkdir+0x16/0x20
:[<ffffffffa0043d03>] ? acpi_video_bus_add+0x239/0xff2 [video]
:[<ffffffff811ed6ec>] ? sysfs_add_one+0x2c/0x130
:[<ffffffff811edc18>] ? sysfs_do_create_link+0xd8/0x170
:[<ffffffff812c875c>] ? acpi_device_probe+0x50/0x122
:[<ffffffff81346640>] ? driver_probe_device+0xa0/0x2a0
:[<ffffffff81346840>] ?__driver_attach+0x0/0xb0
:[<ffffffff813468eb>] ?__driver_attach+0xab/0xb0
:[<ffffffff81346840>] ?__driver_attach+0x0/0xb0
:[<ffffffff813458a4>] ? bus_for_each_dev+0x64/0x90
:[<ffffffff813463de>] ? driver_attach+0x1e/0x20
:[<ffffffff81345ce0>] ? bus_add_driver+0x200/0x300
:[<ffffffff81346c16>] ? driver_register+0x76/0x140
:[<ffffffff811e1d72>] ? proc_mkdir_mode+0x42/0x60
:[<ffffffff812c9e36>] ? acpi_bus_register_driver+0x43/0x45
:[<ffffffffa0044b03>] ? acpi_video_register+0x47/0x74 [video]
:[<ffffffffa01ba29d>] ? i915_driver_load+0x79d/0x1360 [i915]
:[<ffffffff8134390e>] ? device_register+0x1e/0x30
:[<ffffffffa0081a26>] ? drm_sysfs_device_add+0x86/0xb0 [drm]
:[<ffffffffa0080def>] ? drm_get_pci_dev+0x19f/0x300 [drm]
:[<ffffffffa0213cae>] ? i915_pci_probe+0x20/0x1b0 [i915]
:[<ffffffff81289ab7>] ? local_pci_probe+0x17/0x20
:[<ffffffff8128aca1>] ? pci_device_probe+0x101/0x120
:[<ffffffff813464a2>] ? driver_sysfs_add+0x62/0x90
:[<ffffffff81346640>] ? driver_probe_device+0xa0/0x2a0
:[<ffffffff813468eb>] ?__driver_attach+0xab/0xb0
:[<ffffffff81346840>] ?__driver_attach+0x0/0xb0
:[<ffffffff813458a4>] ? bus_for_each_dev+0x64/0x90
:[<ffffffff813463de>] ? driver_attach+0x1e/0x20
:[<ffffffff81345ce0>] ? bus_add_driver+0x200/0x300
:[<ffffffff81346c16>] ? driver_register+0x76/0x140
:[<ffffffff810e2cbc>] ? tracepoint_update_probe_range+0xfc/0x130
:[<ffffffff8128af06>] ?__pci_register_driver+0x56/0xd0
:[<ffffffff814f2545>] ? notifier_call_chain+0x55/0x80
:[<ffffffffa023f000>] ? i915_init+0x0/0x8d [i915]
:[<ffffffffa008106a>] ? drm_pci_init+0x11a/0x130 [drm]
:[<ffffffffa023f000>] ? i915_init+0x0/0x8d [i915]
:[<ffffffffa023f08b>] ? i915_init+0x8b/0x8d [i915]
:[<ffffffff8100204c>] ? do_one_initcall+0x3c/0x1d0
:[<ffffffff810af641>] ? sys_init_module+0xe1/0x250
:[<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b

ケース 2:

[Firmware Bug]:ACPI(VGA0) defines _DOD but not _DOS
input:Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:20/LNXVID
EO:00/input/input2
ACPI:Video Device [VGA0] (multi-head: yes  rom: no  post: no)
[Firmware Bug]:ACPI(VGA0) defines _DOD but not _DOS
------------[ cut here ]------------
WARNING: at fs/proc/generic.c:590 proc_register+0x129/0x220() (Not tainted)
Hardware name:ProLiant BL460c Gen8
proc_dir_entry 'video/VGA0' already registered
Modules linked in: video(+) output dm_multipath dm_mirror dm_region_hash dm_log
dm_mod
Pid:824, comm: modprobe Not tainted 2.6.32-279.el6.x86_64 #1
Call Trace:
 [<ffffffff8106b747>] ? warn_slowpath_common+0x87/0xc0
 [<ffffffff8106b836>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffff811e73d9>] ? proc_register+0x129/0x220
 [<ffffffff811e7b82>] ? proc_mkdir_mode+0x42/0x60
 [<ffffffff811e7bb6>] ? proc_mkdir+0x16/0x20
 [<ffffffffa004ed03>] ? acpi_video_bus_add+0x239/0xff2 [video]
 [<ffffffff811f328c>] ? sysfs_add_one+0x2c/0x130
 [<ffffffff811f37b8>] ? sysfs_do_create_link+0xd8/0x170
 [<ffffffff812d1824>] ? acpi_device_probe+0x50/0x122
 [<ffffffff81350470>] ? driver_probe_device+0xa0/0x2a0
 [<ffffffff81350670>] ?__driver_attach+0x0/0xb0
 [<ffffffff8135071b>] ?__driver_attach+0xab/0xb0
 [<ffffffff81350670>] ?__driver_attach+0x0/0xb0
 [<ffffffff8134f6d4>] ? bus_for_each_dev+0x64/0x90
 [<ffffffff8135020e>] ? driver_attach+0x1e/0x20
 [<ffffffff8134fb10>] ? bus_add_driver+0x200/0x300
 [<ffffffff81350a46>] ? driver_register+0x76/0x140
 [<ffffffff811e7b82>] ? proc_mkdir_mode+0x42/0x60
 [<ffffffff812d2efe>] ? acpi_bus_register_driver+0x43/0x45
 [<ffffffffa004fb03>] ? acpi_video_register+0x47/0x74 [video]
 [<ffffffffa0055087>] ? acpi_video_init+0x75/0x77 [video]
 [<ffffffffa0055012>] ? acpi_video_init+0x0/0x77 [video]
 [<ffffffff8100204c>] ? do_one_initcall+0x3c/0x1d0
 [<ffffffff810b0d71>] ? sys_init_module+0xe1/0x250
 [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b
---[ end trace 5b73ae2b51dfb2aa ]---
input:Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:01/device:32/LNXVID
EO:01/input/input3
ACPI:Video Device [VGA0] (multi-head: yes  rom: no  post: no)