Additional info:
BUG: Bad page state in process yum  pfn:37c80
page:f5b1d000 count:0 mapcount:0 mapping:  (null) index:0x0
page flags: 0x80400000(uncached)
Modules linked in: fuse bnep bluetooth ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack nls_utf8 hfsplus arc4 b43 bcma mac80211 snd_hda_codec_realtek microcode snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd i5000_edac soundcore edac_core ioatdma applesmc i2c_i801 input_polldev i5k_amb cfg80211 rfkill sbshc dca iTCO_wdt iTCO_vendor_support ssb mmc_core e1000e uinput xts gf128mul dm_crypt firewire_ohci firewire_core crc_itu_t nouveau mxm_wmi wmi video drm_kms_helper ttm drm i2c_core [last unloaded: scsi_wait_scan]
Pid: 1645, comm: yum Not tainted 3.3.4-5.fc17.i686 #1
Call Trace:
 [<c0921073>] bad_page+0xcf/0xe6
 [<c04efb45>] get_page_from_freelist+0x465/0x530
 [<c04efd1f>] __alloc_pages_nodemask+0x10f/0x710
 [<c05da5da>] ? jbd2__journal_start+0x7a/0xf0
 [<c04e9091>] ? find_lock_page+0x21/0x80
 [<c04e9396>] grab_cache_page_write_begin+0x56/0xc0
 [<c059e113>] ext4_da_write_begin+0x93/0x210
 [<c04e8282>] generic_file_buffered_write+0xd2/0x220
 [<c04e9fd6>] __generic_file_aio_write+0x256/0x4e0
 [<c0409738>] ? sched_clock+0x8/0x10
 [<c04ea2c5>] generic_file_aio_write+0x65/0xd0
 [<c05982bc>] ext4_file_write+0x8c/0x270
 [<c05340cf>] do_sync_write+0xaf/0xf0
 [<c05ff864>] ? security_file_permission+0x24/0xb0
 [<c0534861>] ? rw_verify_area+0x61/0x120
 [<c0467cf7>] ? sched_clock_cpu+0xe7/0x190
 [<c0459c03>] ? hrtimer_interrupt+0x153/0x260
 [<c0534020>] ? wait_on_retry_sync_kiocb+0x50/0x50
 [<c0534bfc>] vfs_write+0x8c/0x160
 [<c0534020>] ? wait_on_retry_sync_kiocb+0x50/0x50
 [<c0534edd>] sys_write+0x3d/0x70
 [<c0927ed4>] syscall_call+0x7/0xb
 [<c0920000>] ? panic+0x16d/0x178