linux-2.6.36 WARNING: at fs/sysfs/dir.c:451 sysfs_add_one+0x82/0x95()

From: Jeff Chua
Date: Sun Oct 24 2010 - 09:52:03 EST


Git pulled latest linux 2.6.36 (at
35da7a307c535f9c2929cae277f3df425c9f9b1e), and 2nd mount for loop
device resulted in the following error. Has this been reported or
shall I bisect?

# mount -o loop cd.iso /mnt
# umount /mnt

# repeat a second time
# mount -o loop cd.iso /mnt

------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:451 sysfs_add_one+0x82/0x95()
Hardware name: 5413FGA
sysfs: cannot create duplicate filename '/devices/virtual/block/loop0/loop'
Modules linked in: [last unloaded: usb_storage]
Pid: 7000, comm: mount Tainted: G W 2.6.36 #3
Call Trace:
[<ffffffff81033b2c>] ? warn_slowpath_common+0x78/0x8c
[<ffffffff81033bdf>] ? warn_slowpath_fmt+0x45/0x4a
[<ffffffff810ecf86>] ? sysfs_add_one+0x82/0x95
[<ffffffff810ed81a>] ? create_dir+0x67/0xaa
[<ffffffff810eec10>] ? internal_create_group+0x51/0x16f
[<ffffffff8129de00>] ? lo_ioctl+0x27d/0x615
[<ffffffff811bba75>] ? blkdev_ioctl+0x527/0x55a
[<ffffffff810c93f1>] ? block_ioctl+0x32/0x36
[<ffffffff810b1ee5>] ? do_vfs_ioctl+0x418/0x465
[<ffffffff810b469e>] ? dput+0x23/0x156
[<ffffffff810b1f6e>] ? sys_ioctl+0x3c/0x5c
[<ffffffff81002082>] ? system_call_fastpath+0x16/0x1b
---[ end trace 8b619bd1dfdf9659 ]---

Thanks,
Jeff
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