Description of problem:
ext3 crash.

Version-Release number of selected component (if applicable):
(This is vanilla FC2 Test3, no updates.)
kernel-2.6.5-1.327

How reproducible:
I haven't tried.

Steps to Reproduce:
1. Install FC2 Test3 and use ext3 FS;
2. Copy files around;
  
Actual results:
buffer layer error at fs/buffer.c:2861
Call Trace:
 [<02161786>] drop_buffers+0x7f/0xb9
 [<02161892>] try_to_free_buffers+0xd2/0x168
 [<2287d016>] journal_try_to_free_buffers+0xc1/0xce [jbd]
 [<228d2600>] ext3_releasepage+0x0/0x54 [ext3]
 [<0215fcfa>] try_to_release_page+0x34/0x46
 [<021465db>] shrink_list+0x319/0x5d3
 [<02146b15>] shrink_cache+0x280/0x557
 [<02146140>] shrink_slab+0x70/0x150
 [<02147681>] shrink_zone+0x50/0x86
 [<021479a4>] balance_pgdat+0x131/0x216
 [<02147b77>] kswapd+0xee/0xf0
 [<0211bc33>] autoremove_wake_function+0x0/0x28
 [<0211bc33>] autoremove_wake_function+0x0/0x28
 [<02147a89>] kswapd+0x0/0xf0
 [<021041d9>] kernel_thread_helper+0x5/0xb

Expected results:
No problems.

Additional info: