[ 18.891403] init: plymouth-upstart-bridge main process (1152) terminated with status 1 [ 18.891422] init: plymouth-upstart-bridge main process ended, respawning [ 60.892056] Corrupted low memory at ffff88000000be38 (be38 phys) = b036000400000000 [ 60.892065] ------------[ cut here ]------------ [ 60.892073] WARNING: CPU: 1 PID: 133 at /build/linux-lts-xenial-u0trDz/linux-lts-xenial-4.4.0/arch/x86/kernel/check.c:141 check_for_bios_corruption+0x103/0x110() [ 60.892075] Memory corruption detected in low memory [ 60.892076] Modules linked in: bnep rfcomm bluetooth arc4 iwldvm amdkfd mac80211 uvcvideo amd_iommu_v2 radeon videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iwlwifi snd_hda_intel snd_hda_codec ttm snd_hda_core snd_hwdep cfg80211 drm_kms_helper coretemp drm snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi r592 snd_seq memstick i2c_algo_bit snd_seq_device snd_timer fb_sys_fops syscopyarea sysfillrect sysimgblt joydev input_leds snd serio_raw lpc_ich soundcore shpchp mac_hid sony_laptop parport_pc ppdev video lp parport hid_generic usbhid hid firewire_ohci psmouse ahci firewire_core sdhci_pci crc_itu_t sdhci libahci fjes sky2 [ 60.892134] CPU: 1 PID: 133 Comm: kworker/1:2 Not tainted 4.4.0-71-generic #92~14.04.1-Ubuntu [ 60.892136] Hardware name: Sony Corporation VGN-NS21S_S/VAIO, BIOS R1020Y3 09/18/2008 [ 60.892139] Workqueue: events check_corruption [ 60.892141] 0000000000000000 ffff880036173d28 ffffffff813dca1c ffff880036173d70 [ 60.892145] ffffffff81caff70 ffff880036173d60 ffffffff8107ea06 0000000000000000 [ 60.892148] ffff880000010000 ffffffff82107250 0000000000000001 ffff880000000000 [ 60.892151] Call Trace: [ 60.892156] [] dump_stack+0x63/0x87 [ 60.892160] [] warn_slowpath_common+0x86/0xc0 [ 60.892163] [] warn_slowpath_fmt+0x4c/0x50 [ 60.892166] [] check_for_bios_corruption+0x103/0x110 [ 60.892169] [] check_corruption+0xe/0x40 [ 60.892173] [] process_one_work+0x150/0x3f0 [ 60.892176] [] worker_thread+0x11a/0x470 [ 60.892180] [] ? __schedule+0x359/0x980 [ 60.892183] [] ? rescuer_thread+0x310/0x310 [ 60.892186] [] kthread+0xc9/0xe0 [ 60.892188] [] ? kthread_park+0x60/0x60 [ 60.892191] [] ret_from_fork+0x3f/0x70 [ 60.892194] [] ? kthread_park+0x60/0x60 [ 60.892196] ---[ end trace 9692af6726f1ffd4 ]--- [ 171.124091] wlan0: authenticate with e4:3e:d7:ec:91:6b [ 171.127503] wlan0: send auth to e4:3e:d7:ec:91:6b (try 1/3) [ 171.130164] wlan0: authenticated [ 171.130502] wlan0: waiting for beacon from e4:3e:d7:ec:91:6b [ 171.136042] wlan0: associate with e4:3e:d7:ec:91:6b (try 1/3) [ 171.139600] wlan0: RX AssocResp from e4:3e:d7:ec:91:6b (capab=0x431 status=0 aid=47) [ 171.142551] wlan0: associated [ 171.142601] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 171.146728] cfg80211: Regulatory domain changed to country: DE [ 171.146733] cfg80211: DFS Master region: unset [ 171.146735] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 171.146738] cfg80211: (2400000 KHz - 2483500 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) [ 171.146740] cfg80211: (5150000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) [ 171.146743] cfg80211: (5250000 KHz - 5350000 KHz @ 40000 KHz), (N/A, 2000 mBm), (0 s) [ 171.146745] cfg80211: (5470000 KHz - 5725000 KHz @ 40000 KHz), (N/A, 2698 mBm), (0 s) [ 171.146748] cfg80211: (57240000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A) [ 350.766215] perf interrupt took too long (2505 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 [ 664.445782] perf interrupt took too long (5072 > 5000), lowering kernel.perf_event_max_sample_rate to 25000 [ 1230.359110] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 1230.420720] JFS: nTxBlock = 8192, nTxLock = 65536 [ 1230.479797] ntfs: driver 2.1.32 [Flags: R/O MODULE]. [ 1230.561792] QNX4 filesystem 0.2.3 registered. [ 1230.720027] raid6: sse2x1 gen() 3037 MB/s [ 1230.788021] raid6: sse2x1 xor() 3353 MB/s [ 1230.856030] raid6: sse2x2 gen() 3355 MB/s [ 1230.924023] raid6: sse2x2 xor() 4066 MB/s [ 1230.992026] raid6: sse2x4 gen() 5730 MB/s [ 1231.060028] raid6: sse2x4 xor() 4576 MB/s [ 1231.060032] raid6: using algorithm sse2x4 gen() 5730 MB/s [ 1231.060034] raid6: .... xor() 4576 MB/s, rmw enabled [ 1231.060036] raid6: using ssse3x2 recovery algorithm [ 1231.073518] xor: measuring software checksum speed [ 1231.112013] prefetch64-sse: 8408.000 MB/sec [ 1231.152017] generic_sse: 7384.000 MB/sec [ 1231.152022] xor: using function: prefetch64-sse (8408.000 MB/sec) [ 1231.263178] Btrfs loaded