kernel bug

Joseph Salisbury joseph.salisbury at
Thu Sep 7 00:03:16 UTC 2017

On 09/05/2017 04:25 PM, cs at wrote:
> [112691.570070] Corrupted low memory at ffff92960000e000 (e000 phys) = 006d0ac8
> [112691.570421] ------------[ cut here ]------------
> [112691.570426] WARNING: CPU: 0 PID: 11928 at /build/linux-hwe-YA6IuF/linux-hwe-4.10.0/arch/x86/kernel/check.c:141 check_for_bios_corruption.part.1+0xac/0x100
> [112691.570427] Memory corruption detected in low memory
> [112691.570731] Modules linked in: xt_policy authenc echainiv xfrm6_mode_tunnel xfrm4_mode_tunnel ipt_REJECT nf_reject_ipv4 ccm l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppox twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common serpent_avx_x86_64 serpent_sse2_x86_64 serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5_avx_x86_64 cast5_generic cast_common des_generic algif_skcipher camellia_generic ablk_helper camellia_x86_64 lrw glue_helper xcbc md4 algif_hash af_alg xfrm_user xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 ah4 af_key xfrm_algo xt_recent xt_connlimit xt_conntrack xt_TCPMSS iptable_mangle xt_nat xt_tcpudp ipt_MASQUERADE xt_REDIRECT nf_nat_masquerade_ipv4 nf_nat_redirect iptable_filter xt_multiport iptable_nat nf_conntrack_ipv4
> [112691.570756]  nf_defrag_ipv4 nf_nat_ipv4 ip_tables x_tables snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_usb_audio snd_usbmidi_lib arc4 snd_hwdep ath9k ath9k_common bridge stp llc snd_pcm intel_rapl uvcvideo gspca_zc3xx videobuf2_vmalloc videobuf2_memops snd_seq_midi snd_seq_midi_event x86_pkg_temp_thermal intel_powerclamp gspca_main snd_rawmidi ath3k asix usbnet ath9k_hw videobuf2_v4l2 v4l2_common videobuf2_core ath snd_seq snd_seq_device btusb kvm_intel btrtl btbcm videodev btintel mac80211 snd_timer mei_me kvm snd bluetooth soundcore mei irqbypass intel_cstate intel_rapl_perf media cfg80211 shpchp lpc_ich serio_raw mac_hid nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre nf_nat nf_conntrack ib_iser rdma_cm iw_cm
> [112691.570786]  ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi it87 hwmon_vid coretemp autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect crct10dif_pclmul sysimgblt fb_sys_fops crc32_pclmul r8169 ghash_clmulni_intel ahci uas libahci cryptd mii psmouse drm usb_storage fjes video
> [112691.570809] CPU: 0 PID: 11928 Comm: kworker/0:0 Not tainted 4.10.0-33-generic #37~16.04.1-Ubuntu
> [112691.570810] Hardware name: DNS ChiefRiver Platform/Emerald Lake 2, BIOS W6561023 04/13/2013
> [112691.570813] Workqueue: events check_corruption
> [112691.570814] Call Trace:
> [112691.570818]  dump_stack+0x63/0x90
> [112691.570820]  __warn+0xcb/0xf0
> [112691.570821]  warn_slowpath_fmt+0x5f/0x80
> [112691.570823]  check_for_bios_corruption.part.1+0xac/0x100
> [112691.570824]  check_corruption+0x18/0x50
> [112691.570826]  process_one_work+0x16b/0x4a0
> [112691.570827]  worker_thread+0x4b/0x500
> [112691.570830]  kthread+0x109/0x140
> [112691.570831]  ? process_one_work+0x4a0/0x4a0
> [112691.570832]  ? kthread_create_on_node+0x60/0x60
> [112691.570835]  ret_from_fork+0x2c/0x40
> [112691.570836] ---[ end trace 675795dd8166fe19 ]---
> [115579.441770] Corrupted low memory at ffff92960000e000 (e000 phys) = 006da479
> [133828.334510] Corrupted low memory at ffff92960000e000 (e000 phys) = 00712934
Would it be possible for you to open a bug in Lanchpad for this issue?
We can debug the problem further? A bug can be opened by running the
following from a terminal:

ubuntu-bug linux



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