After updating to 6.5, I see an error at boot: "WARNING: at fs/sysfs/dir.c:512" related to the "lpc_icf" module

Solution Unverified - Updated -

Issue

  • After updating to RHEL 6.5 (kernel-2.6.32-431.3.1.el6.x86_64), I'm seeing the error below in /var/log/messages and dmesg. The system appears to be running OK. This is an IBM HX5 double-wide blade. I went through the last reboot messages, and don't see this error on the 6.4 (2.6.32-358.23.2.el6.x86_64) and do not see this error.

Errors are included below:

------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:512 sysfs_add_one+0xb8/0xd0() (Not tainted)
Hardware name: BladeCenter Hx5 -[7873AC1]-
sysfs: cannot create duplicate filename '/bus/platform/devices/iTCO_wdt'
Modules linked in: lpc_ich(+) mfd_core shpchp bnx2 ioatdma dca i7core_edac edac_core bnx2x libcrc32c mdio sg sr_mod cdrom ext4 jbd2 mbcache dm_round_robin sd_mod usb_storage wmi lpfc scsi_transport_fc scsi_tgt crc_t10dif dm_multipath dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
Pid: 2669, comm: work_for_cpu Not tainted 2.6.32-431.3.1.el6.x86_64 #1
Call Trace:
 [<ffffffff81071e27>] ? warn_slowpath_common+0x87/0xc0
 [<ffffffff81071f16>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffff81205f28>] ? sysfs_add_one+0xb8/0xd0
 [<ffffffff812063bb>] ? sysfs_do_create_link+0x12b/0x170
 [<ffffffff81206433>] ? sysfs_create_link+0x13/0x20
 [<ffffffff8136c9ad>] ? bus_add_device+0xed/0x1d0
 [<ffffffff8136aafe>] ? device_add+0x4ce/0x650
 [<ffffffff81369831>] ? dev_set_name+0x41/0x50
 [<ffffffff8136f695>] ? platform_device_add+0x125/0x200
 [<ffffffffa00231c8>] ? mfd_add_devices+0x188/0x22c [mfd_core]
 [<ffffffffa01d02f7>] ? lpc_ich_probe+0x1e0/0x417 [lpc_ich]
 [<ffffffff810951d0>] ? do_work_for_cpu+0x0/0x30
 [<ffffffff812a4dc7>] ? local_pci_probe+0x17/0x20
 [<ffffffff810951e8>] ? do_work_for_cpu+0x18/0x30
 [<ffffffff8109af06>] ? kthread+0x96/0xa0
 [<ffffffff8100c20a>] ? child_rip+0xa/0x20
 [<ffffffff8109ae70>] ? kthread+0x0/0xa0
 [<ffffffff8100c200>] ? child_rip+0x0/0x20
---[ end trace c5c2e8df7c8342fe ]---
------------[ cut here ]------------

And another one right after

------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:512 sysfs_add_one+0xb8/0xd0() (Tainted: G        W  ---------------   )
Hardware name: BladeCenter Hx5 -[7873AC1]-
sysfs: cannot create duplicate filename '/bus/platform/devices/gpio_ich'
Modules linked in: lpc_ich(+) mfd_core shpchp bnx2 ioatdma dca i7core_edac edac_core bnx2x libcrc32c mdio sg sr_mod cdrom ext4 jbd2 mbcache dm_round_robin sd_mod usb_storage wmi lpfc scsi_transport_fc scsi_tgt crc_t10dif dm_multipath dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
Pid: 2669, comm: work_for_cpu Tainted: G        W  ---------------    2.6.32-431.3.1.el6.x86_64 #1
Call Trace:
 [<ffffffff81071e27>] ? warn_slowpath_common+0x87/0xc0
 [<ffffffff81071f16>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffff81205f28>] ? sysfs_add_one+0xb8/0xd0
 [<ffffffff812063bb>] ? sysfs_do_create_link+0x12b/0x170
 [<ffffffff81206433>] ? sysfs_create_link+0x13/0x20
 [<ffffffff8136c9ad>] ? bus_add_device+0xed/0x1d0
 [<ffffffff8136aafe>] ? device_add+0x4ce/0x650
 [<ffffffff81369831>] ? dev_set_name+0x41/0x50
 [<ffffffff8136f695>] ? platform_device_add+0x125/0x200
 [<ffffffffa00231c8>] ? mfd_add_devices+0x188/0x22c [mfd_core]
 [<ffffffff8129c889>] ? pci_bus_write_config_byte+0x69/0x90
 [<ffffffffa01d04b8>] ? lpc_ich_probe+0x3a1/0x417 [lpc_ich]
 [<ffffffff810951d0>] ? do_work_for_cpu+0x0/0x30
 [<ffffffff812a4dc7>] ? local_pci_probe+0x17/0x20
 [<ffffffff810951e8>] ? do_work_for_cpu+0x18/0x30
 [<ffffffff8109af06>] ? kthread+0x96/0xa0
 [<ffffffff8100c20a>] ? child_rip+0xa/0x20
 [<ffffffff8109ae70>] ? kthread+0x0/0xa0
 [<ffffffff8100c200>] ? child_rip+0x0/0x20
---[ end trace c5c2e8df7c8342ff ]---

Environment

  • Red Hat Enterprise Linux 6.5

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