Additional info:
reporter:       libreport-2.8.0
WARNING: CPU: 2 PID: 3660 at fs/fs-writeback.c:2111 __mark_inode_dirty+0x284/0x360
bdi-block not registered
Modules linked in: uas usb_storage rfcomm fuse cmac bnep ccm nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_raw ip6table_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_security iptable_raw iptable_mangle ebtable_filter ebtables ip6table_filter ip6_tables arc4 ath9k kvm_amd ath9k_common kvm ath9k_hw acer_wmi sparse_keymap mac80211 uvcvideo videobuf2_vmalloc irqbypass videobuf2_memops videobuf2_v4l2 crct10dif_pclmul ath3k btusb crc32_pclmul videobuf2_core ath btrtl btbcm videodev btintel ghash_clmulni_intel snd_hda_codec_realtek cfg80211 snd_hda_codec_generic
 bluetooth snd_hda_codec_hdmi snd_hda_intel joydev snd_hda_codec media fam15h_power k10temp snd_seq snd_hda_core snd_seq_device snd_hwdep sp5100_tco i2c_piix4 snd_pcm rtsx_pci_ms snd_timer memstick snd rfkill soundcore shpchp acpi_cpufreq tpm_tis tpm nfsd binfmt_misc auth_rpcgss nfs_acl lockd grace sunrpc amdkfd amd_iommu_v2 radeon rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper crc32c_intel ttm serio_raw drm r8169 rtsx_pci mii wmi video fjes hid_multitouch
CPU: 2 PID: 3660 Comm: mount.exfat Not tainted 4.7.2-201.fc24.x86_64 #1
Hardware name: Acer Aspire E5-551G/EA50_KV   , BIOS V1.15 07/06/2015
 0000000000000286 000000004bc50ec6 ffff880376f23b50 ffffffff813d941f
 ffff880376f23ba0 0000000000000000 ffff880376f23b90 ffffffff8109facb
 0000083f76f23bb0 0000000000000000 ffff88041745f6e0 ffff880418ae74f0
Call Trace:
 [<ffffffff813d941f>] dump_stack+0x63/0x84
 [<ffffffff8109facb>] __warn+0xcb/0xf0
 [<ffffffff8109fb4f>] warn_slowpath_fmt+0x5f/0x80
 [<ffffffff81273e81>] ? locked_inode_to_wb_and_lock_list+0x51/0x100
 [<ffffffff81274a24>] __mark_inode_dirty+0x284/0x360
 [<ffffffff8127c691>] mark_buffer_dirty+0x91/0x120
 [<ffffffff8127cc3a>] __block_commit_write.isra.22+0x7a/0xc0
 [<ffffffff8127de83>] block_write_end+0x33/0x80
 [<ffffffff8127f566>] ? block_write_begin+0x46/0xe0
 [<ffffffff81281b30>] blkdev_write_end+0x20/0x90
 [<ffffffff811b44e4>] generic_perform_write+0x114/0x1c0
 [<ffffffff811b6f55>] __generic_file_write_iter+0x185/0x1d0
 [<ffffffff8128246b>] blkdev_write_iter+0x8b/0x100
 [<ffffffff81245a15>] __vfs_write+0xe5/0x160
 [<ffffffff812462a5>] vfs_write+0xb5/0x1a0
 [<ffffffff812478a5>] SyS_pwrite64+0x95/0xb0
 [<ffffffff817eb872>] entry_SYSCALL_64_fastpath+0x1a/0xa4