The bios version command: B0CN95WW 08/03/2015
I guess that is too soon for know if it will be freezes but I just update my BIOS to the version 95, and I still see this on the log: Oct 18 12:02:36 lenovo kernel: [ 601.543745] Corrupted low memory at ffff88000000cfc0 (cfc0 phys) = ffefefefffefefef Oct 18 12:02:36 lenovo kernel: [ 601.543746] Corrupted low memory at ffff88000000cfc8 (cfc8 phys) = ffefefefffefefef Oct 18 12:02:36 lenovo kernel: [ 601.543747] Corrupted low memory at ffff88000000cfd0 (cfd0 phys) = ffefefefffefefef Oct 18 12:02:36 lenovo kernel: [ 601.543748] Corrupted low memory at ffff88000000cfd8 (cfd8 phys) = ffefefefffefefef Oct 18 12:02:36 lenovo kernel: [ 601.543749] Corrupted low memory at ffff88000000cfe0 (cfe0 phys) = ffefefefffefefef Oct 18 12:02:36 lenovo kernel: [ 601.543750] Corrupted low memory at ffff88000000cfe8 (cfe8 phys) = ffefefefffefefef Oct 18 12:02:36 lenovo kernel: [ 601.543751] Corrupted low memory at ffff88000000cff0 (cff0 phys) = ffefefefffefefef Oct 18 12:02:36 lenovo kernel: [ 601.543752] Corrupted low memory at ffff88000000cff8 (cff8 phys) = ffefefefffefefef Oct 18 12:02:36 lenovo kernel: [ 601.543754] ------------[ cut here ]------------ Oct 18 12:02:36 lenovo kernel: [ 601.543760] WARNING: CPU: 0 PID: 46 at /build/linux-qOmAV7/linux-3.19.0/arch/x86/kernel/check.c:140 check_for_bios_corruption+0xcb/0x120() Oct 18 12:02:36 lenovo kernel: [ 601.543761] Memory corruption detected in low memory Oct 18 12:02:36 lenovo kernel: [ 601.543762] Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) rfcomm bnep nls_iso8859_1 rtsx_usb_sdmmc rtsx_usb_ms memstick rtsx_usb hid_generic uvcvideo uas videobuf2_vmalloc usbhid videobuf2_memops usb_storage hid videobuf2_core btusb v4l2_common videodev bluetooth media intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm arc4 crct10dif_pclmul crc32_pclmul snd_hda_codec_hdmi i915_bpo rtl8723be ghash_clmulni_intel aesni_intel btcoexist aes_x86_64 lrw rtl8723_common gf128mul rtl_pci glue_helper fglrx(POE) rtlwifi mac80211 intel_ips joydev cfg80211 drm_kms_helper snd_hda_codec_conexant ablk_helper snd_hda_codec_generic cryptd drm serio_raw snd_hda_intel snd_hda_controller i2c_algo_bit snd_hda_codec snd_seq_midi snd_hwdep snd_seq_midi_event snd_pcm snd_rawmidi snd_seq ideapad_laptop amd_iommu_v2 snd_seq_device mei_me snd_timer sparse_keymap snd mei soundcore snd_soc_sst_acpi 8250_fintek lpc_ich shpchp video acpi_pad mac_hid parport_pc ppdev lp parport autofs4 psmouse ahci r8169 libahci mii Oct 18 12:02:36 lenovo kernel: [ 601.543813] CPU: 0 PID: 46 Comm: kworker/0:1 Tainted: P OE 3.19.0-30-generic #34-Ubuntu Oct 18 12:02:36 lenovo kernel: [ 601.543814] Hardware name: LENOVO 80E4/Lenovo G40-80, BIOS B0CN95WW 08/03/2015 Oct 18 12:02:36 lenovo kernel: [ 601.543817] Workqueue: events check_corruption Oct 18 12:02:36 lenovo kernel: [ 601.543819] ffffffff81a92f40 ffff88025496fcf8 ffffffff817c4d5f 0000000000000007 Oct 18 12:02:36 lenovo kernel: [ 601.543821] ffff88025496fd48 ffff88025496fd38 ffffffff81076a8a ffff88000000cff8 Oct 18 12:02:36 lenovo kernel: [ 601.543823] 0000000000000000 ffff88000000e000 ffffffff81ede390 0000000000000001 Oct 18 12:02:36 lenovo kernel: [ 601.543825] Call Trace: Oct 18 12:02:36 lenovo kernel: [ 601.543830] [<ffffffff817c4d5f>] dump_stack+0x45/0x57 Oct 18 12:02:36 lenovo kernel: [ 601.543833] [<ffffffff81076a8a>] warn_slowpath_common+0x8a/0xc0 Oct 18 12:02:36 lenovo kernel: [ 601.543835] [<ffffffff81076b06>] warn_slowpath_fmt+0x46/0x50 Oct 18 12:02:36 lenovo kernel: [ 601.543838] [<ffffffff810135e0>] ? __switch_to+0x150/0x5e0 Oct 18 12:02:36 lenovo kernel: [ 601.543841] [<ffffffff8105d8bb>] check_for_bios_corruption+0xcb/0x120 Oct 18 12:02:36 lenovo kernel: [ 601.543844] [<ffffffff8105d91e>] check_corruption+0xe/0x40 Oct 18 12:02:36 lenovo kernel: [ 601.543846] [<ffffffff8108fd78>] process_one_work+0x158/0x430 Oct 18 12:02:36 lenovo kernel: [ 601.543849] [<ffffffff810908bb>] worker_thread+0x5b/0x530 Oct 18 12:02:36 lenovo kernel: [ 601.543851] [<ffffffff81090860>] ? rescuer_thread+0x3a0/0x3a0 Oct 18 12:02:36 lenovo kernel: [ 601.543853] [<ffffffff81095959>] kthread+0xc9/0xe0 Oct 18 12:02:36 lenovo kernel: [ 601.543856] [<ffffffff81095890>] ? kthread_create_on_node+0x1c0/0x1c0 Oct 18 12:02:36 lenovo kernel: [ 601.543858] [<ffffffff817cbdd8>] ret_from_fork+0x58/0x90 Oct 18 12:02:36 lenovo kernel: [ 601.543861] [<ffffffff81095890>] ? kthread_create_on_node+0x1c0/0x1c0 Oct 18 12:02:36 lenovo kernel: [ 601.543862] ---[ end trace fb686493e969c724 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1507091 Title: Corrupted low memory on Ubuntu 15.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1507091/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
