[Sat Aug 29 09:20:49 2015] INFO: task emerge:8482 blocked for more than 120 seconds. [Sat Aug 29 09:20:49 2015] Tainted: G W 4.1.6-hardened #2 [Sat Aug 29 09:20:49 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Sat Aug 29 09:20:49 2015] emerge D ef0d7d70 0 8482 8428 0x00000000 [Sat Aug 29 09:20:49 2015] ef0d7d34 00200086 00000000 ef0d7d70 ef0d7d24 7ae4fdc1 00009d14 eb6f1320 [Sat Aug 29 09:20:49 2015] f7bd3a80 ec24f2c0 ec24f754 e8962d40 e8962d5c ef0d7d40 c171f1ba d9b38040 [Sat Aug 29 09:20:49 2015] ef0d7d84 c13a26a1 00001fff ec24f2c0 d9b3802c 00000000 00000000 00000000 [Sat Aug 29 09:20:49 2015] Call Trace: [Sat Aug 29 09:20:49 2015] [] schedule+0x62/0x6b [Sat Aug 29 09:20:49 2015] [] lock_extent_bits+0x105/0x1ac [Sat Aug 29 09:20:49 2015] [] ? wait_woken+0x5c/0x5c [Sat Aug 29 09:20:49 2015] [] btrfs_evict_inode+0x111/0x4bb [Sat Aug 29 09:20:49 2015] [] evict+0x87/0x115 [Sat Aug 29 09:20:49 2015] [] iput+0x138/0x176 [Sat Aug 29 09:20:49 2015] [] __dentry_kill+0xf9/0x15c [Sat Aug 29 09:20:49 2015] [] dput+0x18d/0x1ab [Sat Aug 29 09:20:49 2015] [] SyS_renameat2+0x3bc/0x4a3 [Sat Aug 29 09:20:49 2015] [] ? __sb_end_write+0x26/0x57 [Sat Aug 29 09:20:49 2015] [] ? mntput_no_expire+0x23/0x128 [Sat Aug 29 09:20:49 2015] [] ? mntput+0x29/0x2b [Sat Aug 29 09:20:49 2015] [] ? path_put+0x1a/0x1d [Sat Aug 29 09:20:49 2015] [] SyS_rename+0x19/0x1b [Sat Aug 29 09:20:49 2015] [] syscall_call+0x7/0x7 Previous warning that is the source of the W taint flag: [Thu Aug 27 09:22:30 2015] ------------[ cut here ]------------ [Thu Aug 27 09:22:30 2015] WARNING: CPU: 1 PID: 11748 at net/mac80211/driver-ops.h:12 ieee80211_bss_info_change_notify+0xd9/0x185 [mac80211]() [Thu Aug 27 09:22:30 2015] wlp11s0: Failed check-sdata-in-driver check, flags: 0x0 [Thu Aug 27 09:22:30 2015] Modules linked in: ath9k ath9k_common ath9k_hw ath mac80211 cfg80211 algif_skcipher af_alg cifs ctr ccm bnep bluetooth binfmt_misc tun fuse dm_crypt arc4 coretemp kvm microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic snd_hda_intel rfkill snd_hda_controller snd_hda_codec snd_hwdep tpm_infineon snd_hda_core thermal snd_pcm snd_timer panasonic_laptop sparse_keymap snd battery acpi_cpufreq ac processor pcmcia firewire_ohci firewire_core sdhci_pci sdhci mmc_core yenta_socket pcmcia_rsrc pcmcia_core usbhid sky2 ipv6 sunrpc dm_mirror dm_region_hash dm_log dm_mod [last unloaded: cfg80211] [Thu Aug 27 09:22:30 2015] CPU: 1 PID: 11748 Comm: iwconfig Not tainted 4.1.6-hardened #2 [Thu Aug 27 09:22:30 2015] Hardware name: Matsushita Electric Industrial Co.,Ltd. CF-30C3PAZBM/CF30-1, BIOS V1.01L19 08/02/2007 [Thu Aug 27 09:22:30 2015] 00000000 00000000 f046fc64 c171c768 f046fc90 f046fc80 c103e06a 0000000c [Thu Aug 27 09:22:30 2015] fd5167b2 e684c7b4 00000000 f066c3e0 f046fc98 c103e0ac 00000009 f046fc90 [Thu Aug 27 09:22:30 2015] fd561cdc f046fcac f046fcc8 fd5167b2 fd561cc2 0000000c fd561cdc e684c020 [Thu Aug 27 09:22:30 2015] Call Trace: [Thu Aug 27 09:22:30 2015] [] dump_stack+0x48/0x69 [Thu Aug 27 09:22:30 2015] [] warn_slowpath_common+0x89/0xa0 [Thu Aug 27 09:22:30 2015] [] ? ieee80211_bss_info_change_notify+0xd9/0x185 [mac80211] [Thu Aug 27 09:22:30 2015] [] warn_slowpath_fmt+0x2b/0x2f [Thu Aug 27 09:22:30 2015] [] ? __param_str_minstrel_vht_only+0x28c/0x56be [mac80211] [Thu Aug 27 09:22:30 2015] [] ieee80211_bss_info_change_notify+0xd9/0x185 [mac80211] [Thu Aug 27 09:22:30 2015] [] ? __param_str_minstrel_vht_only+0x272/0x56be [mac80211] [Thu Aug 27 09:22:30 2015] [] ? __param_str_minstrel_vht_only+0x28c/0x56be [mac80211] [Thu Aug 27 09:22:30 2015] [] ieee80211_recalc_txpower+0x2b/0x2f [mac80211] [Thu Aug 27 09:22:30 2015] [] ieee80211_set_tx_power+0x86/0x13a [mac80211] [Thu Aug 27 09:22:30 2015] [] ? tkip_sbox+0x2c0/0x2c0 [mac80211] [Thu Aug 27 09:22:30 2015] [] cfg80211_wext_siwtxpower+0xd3/0x149 [cfg80211] [Thu Aug 27 09:22:30 2015] [] ioctl_standard_call+0x4e/0x57c [Thu Aug 27 09:22:30 2015] [] ? ioctl_standard_call+0x4e/0x57c [Thu Aug 27 09:22:30 2015] [] ? gr_task_acl_is_capable+0x1b/0x136 [Thu Aug 27 09:22:30 2015] [] wext_handle_ioctl+0xe1/0x1ad [Thu Aug 27 09:22:30 2015] [] ? cfg80211_wext_giwtxpower+0x10e/0x10e [cfg80211] [Thu Aug 27 09:22:30 2015] [] dev_ioctl+0x919/0x92d [Thu Aug 27 09:22:30 2015] [] ? dev_ioctl+0x919/0x92d [Thu Aug 27 09:22:30 2015] [] sock_ioctl+0x1d5/0x1e1 [Thu Aug 27 09:22:30 2015] [] ? sock_fasync+0x71/0x71 [Thu Aug 27 09:22:30 2015] [] do_vfs_ioctl+0x471/0x5d1 [Thu Aug 27 09:22:30 2015] [] ? sock_fasync+0x71/0x71 [Thu Aug 27 09:22:30 2015] [] ? do_vfs_ioctl+0x471/0x5d1 [Thu Aug 27 09:22:30 2015] [] ? unlock_page+0x1d/0x20 [Thu Aug 27 09:22:30 2015] [] ? filemap_map_pages+0x187/0x1e5 [Thu Aug 27 09:22:30 2015] [] ? filemap_map_pages+0x61/0x1e5 [Thu Aug 27 09:22:30 2015] [] SyS_ioctl+0x48/0x69 [Thu Aug 27 09:22:30 2015] [] syscall_call+0x7/0x7 [Thu Aug 27 09:22:30 2015] [] ? __do_page_fault+0x55a/0x608 [Thu Aug 27 09:22:30 2015] [] ? math_state_restore+0x1a3/0x1ae [Thu Aug 27 09:22:30 2015] [] ? math_state_restore+0x1ae/0x1ae [Thu Aug 27 09:22:30 2015] [] ? do_page_fault+0xb/0xd [Thu Aug 27 09:22:30 2015] [] ? __do_page_fault+0x608/0x608 [Thu Aug 27 09:22:30 2015] [] ? restore_all_pax+0x7/0x7 [Thu Aug 27 09:22:30 2015] [] ? __do_page_fault+0x608/0x608 [Thu Aug 27 09:22:30 2015] ---[ end trace 366b79c62ccd454a ]---