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kernel BUG at include/linux/dcache.h:293!
invalid operand: 0000 [#1]
SMP 
Modules linked in:
CPU:    0
EIP:    0060:[<c019079a>]    Not tainted VLI
EFLAGS: 00010246   (2.6.11-2-bigmem64) 
EIP is at sysfs_remove_dir+0x10a/0x120
eax: 00000000   ebx: f6a37914   ecx: f7b1cfa0   edx: f7070530
esi: f70b2220   edi: f3a33b40   ebp: f70b2220   esp: f1cfbdcc
ds: 007b   es: 007b   ss: 0068
Process brctl (pid: 10741, threadinfo=f1cfa000 task=f4843a60)
Stack: 00001000 f7e6d894 f6a37914 f6a37914 f70b2220 ffffffed f70b2220 c020fd83 
       f6a37914 f6a37880 c03bb00a f6a37914 f2c9b800 f70b2220 c03bb59c f70b2220 
       f2c9b800 f70b2000 000089f0 c03bb61f f70b2220 00000051 00000000 f7e5d680 
Call Trace:
 [<c020fd83>] kobject_del+0x13/0x30
 [<c03bb00a>] br_del_if+0x3a/0x5c
 [<c03bb59c>] add_del_if+0x7c/0x80
 [<c03bb61f>] old_dev_ioctl+0x7f/0x730
 [<c02ce09a>] ata_qc_complete+0x3a/0xc0
 [<c02c5894>] scsi_device_unbusy+0x44/0x80
 [<c02c06a1>] scsi_finish_command+0x81/0xe0
 [<c02c059e>] scsi_softirq+0xbe/0xf0
 [<c011ecfa>] __do_softirq+0xba/0xd0
 [<c0336554>] dev_ifsioc+0x384/0x3f0
 [<c033007b>] skb_copy_bits+0xb/0x280
 [<c033676d>] dev_ioctl+0x1ad/0x270
 [<c032b7d0>] sock_ioctl+0x240/0x250
 [<c01727e3>] iput+0x63/0x90
 [<c016a48e>] do_ioctl+0x8e/0xa0
 [<c016a6b5>] vfs_ioctl+0x65/0x1f0
 [<c016a885>] sys_ioctl+0x45/0x70
 [<c010256d>] sysenter_past_esp+0x52/0x75
Code: 89 44 24 08 8b 00 89 04 24 e8 43 f1 fa ff 8b 54 24 08 8b 42 04 89 04 24 e8 24 f7 07 00 8b 44 24 08 89 04 24 e8 28 f1 fa ff eb bc <0f> 0b 25 01 52 53 3f c0 e9 09 ff ff ff 83 c4 0c 5b 5e 5f 5d c3