Oops while checking file system auditing

Hello, I was testing file system auditing (kernel .46) and got the following when removing a watch. First symptom was blinking keyboard lights. -Steve May 24 11:49:09 localhost kernel: kernel BUG at mm/slab.c:2787! May 24 11:49:09 localhost kernel: invalid operand: 0000 [#1] May 24 11:49:09 localhost kernel: Modules linked in: parport_pc lp parport autofs4 i2c_dev i2c_core ipt_REJECT ipt_state ip_conntrack iptable_filter ip_tables dm_mod button battery ac md5 ipv6 uhci_hcd snd_emu10k1 snd_rawmidi snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_seq_device snd_ac97_codec snd_page_alloc snd_util_mem snd_hwdep snd soundcore 3c59x floppy ext3 jbd May 24 11:49:09 localhost kernel: CPU: 0 May 24 11:49:09 localhost kernel: EIP: 0060:[<c014c67f>] Not tainted VLI May 24 11:49:09 localhost kernel: EFLAGS: 00010002 (2.6.9-5.0.3.EL.audit.46.sg.2) May 24 11:49:09 localhost kernel: EIP is at cache_reap+0x111/0x273 May 24 11:49:09 localhost kernel: eax: effefa7c ebx: effefa60 ecx: e612c180 edx: 0000003d May 24 11:49:09 localhost kernel: esi: effefae8 edi: 00000001 ebp: c03feae0 esp: eff18f5c May 24 11:49:09 localhost kernel: ds: 007b es: 007b ss: 0068 May 24 11:49:09 localhost kernel: Process events/0 (pid: 3, threadinfo=eff18000 task=efe20bd0) May 24 11:49:09 localhost kernel: Stack: c03feb20 c03feb20 00000283 00000000 c16ff160 c01321a4 c014c56e ffffffff May 24 11:49:09 localhost kernel: ffffffff 00000001 00000000 c011b9f2 00010000 00000000 efe20bd0 eff18fcc May 24 11:49:09 localhost kernel: c0301651 00000000 efe20bd0 c011b9f2 00100100 00200200 00000004 efe20bd0 May 24 11:49:09 localhost kernel: Call Trace: May 24 11:49:09 localhost kernel: [<c01321a4>] worker_thread+0x1eb/0x2f0 May 24 11:49:09 localhost kernel: [<c014c56e>] cache_reap+0x0/0x273 May 24 11:49:09 localhost kernel: [<c011b9f2>] default_wake_function+0x0/0xc May 24 11:49:09 localhost kernel: [<c0301651>] schedule+0x431/0x544 May 24 11:49:09 localhost kernel: [<c011b9f2>] default_wake_function+0x0/0xc May 24 11:49:09 localhost kernel: [<c0131fb9>] worker_thread+0x0/0x2f0 May 24 11:49:09 localhost kernel: [<c0136f81>] kthread+0x69/0x91 May 24 11:49:09 localhost kernel: [<c0136f18>] kthread+0x0/0x91 May 24 11:49:09 localhost kernel: [<c01041d9>] kernel_thread_helper+0x5/0xb May 24 11:49:09 localhost kernel: Code: e9 05 01 00 00 6b 4b 3c 05 8b 53 40 01 ca 4a 89 d0 31 d2 f7 f1 89 c7 8b 4b 1c 8d 43 1c 39 c1 0f 84 e5 00 00 00 83 79 10 00 74 08 <0f> 0b e3 0a 97 43 31 c0 8b 01 8b 51 04 89 50 04 89 02 c7 41 04