I am also receiving a similar error message on my laptop-- a lenovo Y530 405166U. The error messages occurs every single time immediately after booting: [ 59.816119] Corrupted low memory at ffff88000000fcf0 (fcf0 phys) = 8384000000000000 [ 59.816125] Corrupted low memory at ffff88000000fcf8 (fcf8 phys) = 0010000a [ 59.816134] ------------[ cut here ]------------ [ 59.816138] WARNING: at /build/buildd/linux-2.6.28/arch/x86/kernel/setup.c:719 check_for_bios_corruption+0xdd/0xe0() [ 59.816141] Memory corruption detected in low memory [ 59.816143] Modules linked in: ppdev bridge stp bnep input_polldev joydev lp parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss arc4 ecb snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer iwlagn iwlcore snd_seq_device uvcvideo compat_ioctl32 snd mac80211 asus_laptop psmouse videodev soundcore video ricoh_mmc sdhci_pci sdhci v4l1_compat serio_raw pcspkr iTCO_wdt iTCO_vendor_support snd_page_alloc intel_agp cfg80211 output led_class nvidia(P) ohci1394 ieee1394 ehci_hcd tg3 uhci_hcd fbcon tileblit font bitblit softcursor [ 59.816206] Pid: 0, comm: swapper Tainted: P 2.6.28-9-generic #29-Ubuntu [ 59.816209] Call Trace: [ 59.816212] [] warn_slowpath+0xb7/0xf0 [ 59.816223] [] ? sched_clock_cpu+0xcc/0x160 [ 59.816228] [] ? getnstimeofday+0x59/0xe0 [ 59.816233] [] ? sched_clock_cpu+0xcc/0x160 [ 59.816238] [] ? printk+0x67/0x6f [ 59.816242] [] ? tick_program_event+0x25/0x30 [ 59.816247] [] ? hrtimer_interrupt+0x166/0x1c0 [ 59.816252] [] check_for_bios_corruption+0xdd/0xe0 [ 59.816256] [] ? periodic_check_for_corruption+0x0/0x40 [ 59.816261] [] periodic_check_for_corruption+0x9/0x40 [ 59.816267] [] run_timer_softirq+0x179/0x260 [ 59.816271] [] __do_softirq+0x9c/0x170 [ 59.816276] [] call_softirq+0x1c/0x30 [ 59.816280] [] do_softirq+0x5d/0xa0 [ 59.816283] [] irq_exit+0x8d/0xa0 [ 59.816287] [] do_IRQ+0xc5/0x110 [ 59.816291] [] ret_from_intr+0x0/0x29 [ 59.816294] [] ? acpi_idle_enter_bm+0x28a/0x2da [ 59.816302] [] ? acpi_idle_enter_bm+0x282/0x2da [ 59.816308] [] ? cpuidle_idle_call+0xa5/0x100 [ 59.816314] [] ? cpu_idle+0x65/0xc0 [ 59.816319] [] ? rest_init+0x5c/0x70 [ 59.816323] ---[ end trace 2a61c7d9d1e9b905 ]---