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[Bug 324894] Re: "Corrupted low memory at" kernel warning on resume

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: danielmewes <danielmewes@xxxxxxxxxxxxx>
Date: Thu, 05 Mar 2015 08:29:16 -0000
Reply-to: Bug 324894 <324894@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Had the same problem on an HP ZBook 15u G2 and Ubuntu 14.04 (Linux
3.16.0-31-generic).

Since HP is officially offering this computer with Ubuntu preinstalled,
I imagine that they are going to fix this with a future BIOS update (the
notebook just got newly introduces).

For now passing memory_corruption_check_size=128K appears to avoid the
issue. Thanks @nutznboltz for the tip!

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https://bugs.launchpad.net/bugs/324894

Title:
  "Corrupted low memory at" kernel warning on resume

Status in linux package in Ubuntu:
  Expired

Bug description:
  I just noticed these. Each time happened on resume from suspend to
  ram, but it doesn't happen after every suspend/resume. Hardware is
  ThinkPad X200s, running Jaunty/AMD64.

  /var/log/kern.log:Feb  3 15:20:54 hat kernel: [ 1559.816111] Corrupted low memory at ffff88000000f108 (f108 phys) = 00000010
  /var/log/kern.log.0:Jan 26 20:20:08 hat kernel: [ 6959.816060] Corrupted low memory at ffff88000000d048 (d048 phys) = 8000000000000000
  /var/log/kern.log.0:Jan 29 17:01:21 hat kernel: [12419.816054] Corrupted low memory at ffff88000000cf78 (cf78 phys) = 00420000
  here are the log entiress with more context:

  Jan 26 20:20:05 hat kernel: [ 6956.554101] pci 0000:00:02.0: setting latency timer to 64
  Jan 26 20:20:05 hat kernel: [ 6956.555243] PM: resume devices took 1.872 seconds
  Jan 26 20:20:05 hat kernel: [ 6956.555271] PM: Finishing wakeup.
  Jan 26 20:20:05 hat kernel: [ 6956.555273] Restarting tasks ... done.
  Jan 26 20:20:07 hat kernel: [ 6958.202533] CPU0 attaching NULL sched-domain.
  Jan 26 20:20:07 hat kernel: [ 6958.208157] CPU0 attaching NULL sched-domain.
  Jan 26 20:20:08 hat kernel: [ 6959.816060] Corrupted low memory at ffff88000000d048 (d048 phys) = 8000000000000000
  Jan 26 20:20:08 hat kernel: [ 6959.816072] ------------[ cut here ]------------
  Jan 26 20:20:08 hat kernel: [ 6959.816074] WARNING: at /build/buildd/linux-2.6.28/arch/x86/kernel/setup.c:718 check_for_bios_corruption+0xdd/0xe0()
  Jan 26 20:20:08 hat kernel: [ 6959.816076] Memory corruption detected in low memory
  Jan 26 20:20:08 hat kernel: [ 6959.816077] Modules linked in: iwlagn i915 drm binfmt_misc ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT bridge stp kvm_intel kvm xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables acpi_cpufreq btusb ppdev parport_pc lp parport thinkpad_acpi nvram arc4 ecb video iwlcore output led_class pcspkr psmouse serio_raw iTCO_wdt iTCO_vendor_support uvcvideo intel_agp compat_ioctl32 videodev v4l1_compat snd_hda_intel mac80211 snd_pcm snd_seq snd_timer snd_seq_device cfg80211 snd soundcore snd_page_alloc ehci_hcd uhci_hcd e1000e fbcon tileblit font bitblit softcursor fuse [last unloaded: iwlagn]
  Jan 26 20:20:08 hat kernel: [ 6959.816119] Pid: 0, comm: swapper Not tainted 2.6.28-5-generic #15-Ubuntu
  Jan 26 20:20:08 hat kernel: [ 6959.816121] Call Trace:
  Jan 26 20:20:08 hat kernel: [ 6959.816122]  <IRQ>  [<ffffffff8024d797>] warn_slowpath+0xb7/0xf0
  Jan 26 20:20:08 hat kernel: [ 6959.816130]  [<ffffffff8023b590>] ? enqueue_task+0x50/0x60
  Jan 26 20:20:08 hat kernel: [ 6959.816132]  [<ffffffff8024500d>] ? resched_task+0x2d/0x90
  Jan 26 20:20:08 hat kernel: [ 6959.816136]  [<ffffffff8067e200>] ? printk+0x67/0x6f
  Jan 26 20:20:08 hat kernel: [ 6959.816139]  [<ffffffff8023bb0a>] ? __wake_up_common+0x5a/0x90
  Jan 26 20:20:08 hat kernel: [ 6959.816142]  [<ffffffff8023d3ee>] ? __wake_up+0x4e/0x70
  Jan 26 20:20:08 hat kernel: [ 6959.816144]  [<ffffffff802168dd>] check_for_bios_corruption+0xdd/0xe0
  Jan 26 20:20:08 hat kernel: [ 6959.816147]  [<ffffffff802168e0>] ? periodic_check_for_corruption+0x0/0x40
  Jan 26 20:20:08 hat kernel: [ 6959.816150]  [<ffffffff802168e9>] periodic_check_for_corruption+0x9/0x40
  Jan 26 20:20:08 hat kernel: [ 6959.816154]  [<ffffffff80258cd9>] run_timer_softirq+0x179/0x260
  Jan 26 20:20:08 hat kernel: [ 6959.816158]  [<ffffffff802714bd>] ? tick_handle_oneshot_broadcast+0xed/0x100
  Jan 26 20:20:08 hat kernel: [ 6959.816161]  [<ffffffff8025393c>] __do_softirq+0x9c/0x170
  Jan 26 20:20:08 hat kernel: [ 6959.816164]  [<ffffffff80213d8c>] call_softirq+0x1c/0x30
  Jan 26 20:20:08 hat kernel: [ 6959.816167]  [<ffffffff80214ffd>] do_softirq+0x5d/0xa0
  Jan 26 20:20:08 hat kernel: [ 6959.816169]  [<ffffffff802536bd>] irq_exit+0x8d/0xa0
  Jan 26 20:20:08 hat kernel: [ 6959.816172]  [<ffffffff802152c5>] do_IRQ+0xc5/0x110
  Jan 26 20:20:08 hat kernel: [ 6959.816174]  [<ffffffff80212bf3>] ret_from_intr+0x0/0x29
  Jan 26 20:20:08 hat kernel: [ 6959.816176]  <EOI>  [<ffffffff80467570>] ? acpi_idle_enter_bm+0x28a/0x2da
  Jan 26 20:20:08 hat kernel: [ 6959.816182]  [<ffffffff80467568>] ? acpi_idle_enter_bm+0x282/0x2da
  Jan 26 20:20:08 hat kernel: [ 6959.816186]  [<ffffffff80570365>] ? cpuidle_idle_call+0xa5/0x100
  Jan 26 20:20:08 hat kernel: [ 6959.816189]  [<ffffffff80210e85>] ? cpu_idle+0x65/0xc0
  Jan 26 20:20:08 hat kernel: [ 6959.816192]  [<ffffffff8066ccec>] ? rest_init+0x5c/0x70
  Jan 26 20:20:08 hat kernel: [ 6959.816194] ---[ end trace bcdcc4821fa15f62 ]---

  Jan 29 17:01:17 hat kernel: [12415.898879] PM: resume devices took 1.896 seconds
  Jan 29 17:01:17 hat kernel: [12415.898909] PM: Finishing wakeup.
  Jan 29 17:01:17 hat kernel: [12415.898910] Restarting tasks ... done.
  Jan 29 17:01:18 hat kernel: [12417.332752] CPU0 attaching NULL sched-domain.
  Jan 29 17:01:18 hat kernel: [12417.344079] CPU0 attaching NULL sched-domain.
  Jan 29 17:01:19 hat kernel: [12417.972049] wlan1: No ProbeResp from current AP 00:07:50:d5:bc:bf - assume out of range
  Jan 29 17:01:21 hat kernel: [12419.816054] Corrupted low memory at ffff88000000cf78 (cf78 phys) = 00420000
  Jan 29 17:01:21 hat kernel: [12419.816064] ------------[ cut here ]------------
  Jan 29 17:01:21 hat kernel: [12419.816067] WARNING: at /build/buildd/linux-2.6.28/arch/x86/kernel/setup.c:718 check_for_bios_corruption+0xdd/0xe0()
  Jan 29 17:01:21 hat kernel: [12419.816069] Memory corruption detected in low memory
  Jan 29 17:01:21 hat kernel: [12419.816070] Modules linked in: i915 drm binfmt_misc ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT bridge stp kvm_intel kvm xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables acpi_cpufreq ppdev parport_pc lp parport btusb thinkpad_acpi arc4 ecb nvram iwlagn iwlcore video led_class snd_hda_intel psmouse output serio_raw mac80211 pcspkr uvcvideo snd_pcm snd_seq snd_timer compat_ioctl32 videodev snd_seq_device v4l1_compat iTCO_wdt cfg80211 intel_agp iTCO_vendor_support snd soundcore snd_page_alloc ehci_hcd uhci_hcd e1000e fbcon tileblit font bitblit softcursor fuse
  Jan 29 17:01:21 hat kernel: [12419.816111] Pid: 0, comm: swapper Not tainted 2.6.28-5-generic #15-Ubuntu
  Jan 29 17:01:21 hat kernel: [12419.816113] Call Trace:
  Jan 29 17:01:21 hat kernel: [12419.816114]  <IRQ>  [<ffffffff8024d797>] warn_slowpath+0xb7/0xf0
  Jan 29 17:01:21 hat kernel: [12419.816122]  [<ffffffff8026b4dc>] ? sched_clock_cpu+0xcc/0x160
  Jan 29 17:01:21 hat kernel: [12419.816125]  [<ffffffff8026d789>] ? getnstimeofday+0x59/0xe0
  Jan 29 17:01:21 hat kernel: [12419.816127]  [<ffffffff8026b4dc>] ? sched_clock_cpu+0xcc/0x160
  Jan 29 17:01:21 hat kernel: [12419.816131]  [<ffffffff8067e200>] ? printk+0x67/0x6f
  Jan 29 17:01:21 hat kernel: [12419.816135]  [<ffffffff8025972f>] ? __mod_timer+0xbf/0xe0
  Jan 29 17:01:21 hat kernel: [12419.816138]  [<ffffffff8027058f>] ? clockevents_program_event+0x4f/0x90
  Jan 29 17:01:21 hat kernel: [12419.816141]  [<ffffffff802168dd>] check_for_bios_corruption+0xdd/0xe0
  Jan 29 17:01:21 hat kernel: [12419.816144]  [<ffffffff802168e0>] ? periodic_check_for_corruption+0x0/0x40
  Jan 29 17:01:21 hat kernel: [12419.816147]  [<ffffffff802168e9>] periodic_check_for_corruption+0x9/0x40
  Jan 29 17:01:21 hat kernel: [12419.816149]  [<ffffffff80258cd9>] run_timer_softirq+0x179/0x260
  Jan 29 17:01:21 hat kernel: [12419.816152]  [<ffffffff802714bd>] ? tick_handle_oneshot_broadcast+0xed/0x100
  Jan 29 17:01:21 hat kernel: [12419.816156]  [<ffffffff8025393c>] __do_softirq+0x9c/0x170
  Jan 29 17:01:21 hat kernel: [12419.816158]  [<ffffffff80213d8c>] call_softirq+0x1c/0x30
  Jan 29 17:01:21 hat kernel: [12419.816161]  [<ffffffff80214ffd>] do_softirq+0x5d/0xa0
  Jan 29 17:01:21 hat kernel: [12419.816163]  [<ffffffff802536bd>] irq_exit+0x8d/0xa0
  Jan 29 17:01:21 hat kernel: [12419.816166]  [<ffffffff802152c5>] do_IRQ+0xc5/0x110
  Jan 29 17:01:21 hat kernel: [12419.816168]  [<ffffffff80212bf3>] ret_from_intr+0x0/0x29
  Jan 29 17:01:21 hat kernel: [12419.816170]  <EOI>  [<ffffffff80467570>] ? acpi_idle_enter_bm+0x28a/0x2da
  Jan 29 17:01:21 hat kernel: [12419.816176]  [<ffffffff80467568>] ? acpi_idle_enter_bm+0x282/0x2da
  Jan 29 17:01:21 hat kernel: [12419.816180]  [<ffffffff80570365>] ? cpuidle_idle_call+0xa5/0x100
  Jan 29 17:01:21 hat kernel: [12419.816183]  [<ffffffff80210e85>] ? cpu_idle+0x65/0xc0
  Jan 29 17:01:21 hat kernel: [12419.816186]  [<ffffffff8066ccec>] ? rest_init+0x5c/0x70
  Jan 29 17:01:21 hat kernel: [12419.816188] ---[ end trace ef50b221bfbea56a ]---
  Jan 29 17:01:29 hat kernel: [12427.349392] SMP alternatives: switching to SMP code
  Jan 29 17:01:29 hat kernel: [12427.504054] Booting processor 1 APIC 0x1 ip 0x6000

  Feb  3 15:20:25 hat kernel: [ 1530.954068] pci 0000:00:02.0: setting latency timer to 64
  Feb  3 15:20:25 hat kernel: [ 1530.955209] PM: resume devices took 1.892 seconds
  Feb  3 15:20:25 hat kernel: [ 1530.955239] PM: Finishing wakeup.
  Feb  3 15:20:25 hat kernel: [ 1530.955240] Restarting tasks ... done.
  Feb  3 15:20:27 hat kernel: [ 1532.363059] CPU0 attaching NULL sched-domain.
  Feb  3 15:20:27 hat kernel: [ 1532.376142] CPU0 attaching NULL sched-domain.
  Feb  3 15:20:27 hat kernel: [ 1532.980066] wlan1: No ProbeResp from current AP 00:07:50:d5:bc:bf - assume out of range
  Feb  3 15:20:37 hat kernel: [ 1542.381520] SMP alternatives: switching to SMP code
  Feb  3 15:20:37 hat kernel: [ 1542.529150] Booting processor 1 APIC 0x1 ip 0x6000
  Feb  3 15:20:37 hat kernel: [ 1519.429749] Initializing CPU#1
  Feb  3 15:20:37 hat kernel: [ 1519.429749] Calibrating delay using timer specific routine.. 3725.16 BogoMIPS (lpj=7450325)
  Feb  3 15:20:37 hat kernel: [ 1519.429749] CPU: L1 I cache: 32K, L1 D cache: 32K
  Feb  3 15:20:37 hat kernel: [ 1519.429749] CPU: L2 cache: 6144K
  Feb  3 15:20:37 hat kernel: [ 1519.429749] CPU: Physical Processor ID: 0
  Feb  3 15:20:37 hat kernel: [ 1519.429749] CPU: Processor Core ID: 1
  Feb  3 15:20:37 hat kernel: [ 1542.621476] CPU1: Intel(R) Core(TM)2 Duo CPU     L9400  @ 1.86GHz stepping 06
  Feb  3 15:20:37 hat kernel: [ 1542.621487] kvm: enabling virtualization on CPU1
  Feb  3 15:20:37 hat kernel: [ 1542.622471] CPU0 attaching NULL sched-domain.
  Feb  3 15:20:37 hat kernel: [ 1542.624014] Switched to high resolution mode on CPU 1
  Feb  3 15:20:37 hat kernel: [ 1542.632115] CPU0 attaching sched-domain:
  Feb  3 15:20:37 hat kernel: [ 1542.632118]  domain 0: span 0-1 level MC
  Feb  3 15:20:37 hat kernel: [ 1542.632121]   groups: 0 1
  Feb  3 15:20:37 hat kernel: [ 1542.632125]   domain 1: span 0-1 level CPU
  Feb  3 15:20:37 hat kernel: [ 1542.632127]    groups: 0-1
  Feb  3 15:20:37 hat kernel: [ 1542.632130] CPU1 attaching sched-domain:
  Feb  3 15:20:37 hat kernel: [ 1542.632132]  domain 0: span 0-1 level MC
  Feb  3 15:20:37 hat kernel: [ 1542.632134]   groups: 1 0
  Feb  3 15:20:37 hat kernel: [ 1542.632137]   domain 1: span 0-1 level CPU
  Feb  3 15:20:37 hat kernel: [ 1542.632138]    groups: 0-1
  Feb  3 15:20:37 hat kernel: [ 1542.876790] CPU0 attaching NULL sched-domain.
  Feb  3 15:20:37 hat kernel: [ 1542.876800] CPU1 attaching NULL sched-domain.
  Feb  3 15:20:37 hat kernel: [ 1542.892765] CPU0 attaching sched-domain:
  Feb  3 15:20:37 hat kernel: [ 1542.892773]  domain 0: span 0-1 level MC
  Feb  3 15:20:37 hat kernel: [ 1542.892778]   groups: 0 1
  Feb  3 15:20:37 hat kernel: [ 1542.892787]   domain 1: span 0-1 level CPU
  Feb  3 15:20:37 hat kernel: [ 1542.892791]    groups: 0-1
  Feb  3 15:20:37 hat kernel: [ 1542.892800] CPU1 attaching sched-domain:
  Feb  3 15:20:37 hat kernel: [ 1542.892804]  domain 0: span 0-1 level MC
  Feb  3 15:20:37 hat kernel: [ 1542.892808]   groups: 1 0
  Feb  3 15:20:37 hat kernel: [ 1542.892815]   domain 1: span 0-1 level CPU
  Feb  3 15:20:37 hat kernel: [ 1542.892819]    groups: 0-1
  Feb  3 15:20:54 hat kernel: [ 1559.816111] Corrupted low memory at ffff88000000f108 (f108 phys) = 00000010
  Feb  3 15:20:54 hat kernel: [ 1559.816129] ------------[ cut here ]------------
  Feb  3 15:20:54 hat kernel: [ 1559.816135] WARNING: at /build/buildd/linux-2.6.28/arch/x86/kernel/setup.c:718 check_for_bios_corruption+0xdd/0xe0()
  Feb  3 15:20:54 hat kernel: [ 1559.816140] Memory corruption detected in low memory
  Feb  3 15:20:54 hat kernel: [ 1559.816144] Modules linked in: binfmt_misc i915 drm ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT bridge stp kvm_intel kvm xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables acpi_cpufreq ppdev parport_pc lp parport btusb snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi thinkpad_acpi snd_rawmidi snd_seq_midi_event arc4 snd_seq ecb nvram video uvcvideo snd_timer snd_seq_device iwlagn iwlcore output snd psmouse iTCO_wdt soundcore compat_ioctl32 serio_raw iTCO_vendor_support intel_agp videodev v4l1_compat pcspkr snd_page_alloc led_class mac80211 cfg80211 ehci_hcd uhci_hcd e1000e fbcon tileblit font bitblit softcursor fuse
  Feb  3 15:20:54 hat kernel: [ 1559.816262] Pid: 0, comm: swapper Not tainted 2.6.28-6-generic #17-Ubuntu
  Feb  3 15:20:54 hat kernel: [ 1559.816267] Call Trace:
  Feb  3 15:20:54 hat kernel: [ 1559.816271]  <IRQ>  [<ffffffff8024d797>] warn_slowpath+0xb7/0xf0
  Feb  3 15:20:54 hat kernel: [ 1559.816288]  [<ffffffff8026b4dc>] ? sched_clock_cpu+0xcc/0x160
  Feb  3 15:20:54 hat kernel: [ 1559.816296]  [<ffffffff8026d789>] ? getnstimeofday+0x59/0xe0
  Feb  3 15:20:54 hat kernel: [ 1559.816303]  [<ffffffff8026b4dc>] ? sched_clock_cpu+0xcc/0x160
  Feb  3 15:20:54 hat kernel: [ 1559.816311]  [<ffffffff8067e230>] ? printk+0x67/0x6f
  Feb  3 15:20:54 hat kernel: [ 1559.816320]  [<ffffffff8025972f>] ? __mod_timer+0xbf/0xe0
  Feb  3 15:20:54 hat kernel: [ 1559.816327]  [<ffffffff8027058f>] ? clockevents_program_event+0x4f/0x90
  Feb  3 15:20:54 hat kernel: [ 1559.816335]  [<ffffffff802168dd>] check_for_bios_corruption+0xdd/0xe0
  Feb  3 15:20:54 hat kernel: [ 1559.816343]  [<ffffffff802168e0>] ? periodic_check_for_corruption+0x0/0x40
  Feb  3 15:20:54 hat kernel: [ 1559.816350]  [<ffffffff802168e9>] periodic_check_for_corruption+0x9/0x40
  Feb  3 15:20:54 hat kernel: [ 1559.816357]  [<ffffffff80258cd9>] run_timer_softirq+0x179/0x260
  Feb  3 15:20:54 hat kernel: [ 1559.816365]  [<ffffffff802714bd>] ? tick_handle_oneshot_broadcast+0xed/0x100
  Feb  3 15:20:54 hat kernel: [ 1559.816373]  [<ffffffff8025393c>] __do_softirq+0x9c/0x170
  Feb  3 15:20:54 hat kernel: [ 1559.816380]  [<ffffffff80213d8c>] call_softirq+0x1c/0x30
  Feb  3 15:20:54 hat kernel: [ 1559.816387]  [<ffffffff80214ffd>] do_softirq+0x5d/0xa0
  Feb  3 15:20:54 hat kernel: [ 1559.816393]  [<ffffffff802536bd>] irq_exit+0x8d/0xa0
  Feb  3 15:20:54 hat kernel: [ 1559.816399]  [<ffffffff802152c5>] do_IRQ+0xc5/0x110
  Feb  3 15:20:54 hat kernel: [ 1559.816406]  [<ffffffff80212bf3>] ret_from_intr+0x0/0x29
  Feb  3 15:20:54 hat kernel: [ 1559.816409]  <EOI>  [<ffffffff80467590>] ? acpi_idle_enter_bm+0x28a/0x2da
  Feb  3 15:20:54 hat kernel: [ 1559.816424]  [<ffffffff80467588>] ? acpi_idle_enter_bm+0x282/0x2da
  Feb  3 15:20:54 hat kernel: [ 1559.816433]  [<ffffffff80570385>] ? cpuidle_idle_call+0xa5/0x100
  Feb  3 15:20:54 hat kernel: [ 1559.816441]  [<ffffffff80210e85>] ? cpu_idle+0x65/0xc0
  Feb  3 15:20:54 hat kernel: [ 1559.816448]  [<ffffffff8066cd1c>] ? rest_init+0x5c/0x70
  Feb  3 15:20:54 hat kernel: [ 1559.816453] ---[ end trace a3c7592472d0dfc6 ]---
  Feb  3 15:22:26 hat kernel: [ 1652.069246] iwlagn 0000:03:00.0: PCI INT A disabled
  Feb  3 15:22:34 hat kernel: [ 1659.517014] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, 1.3.27ks
  Feb  3 15:22:34 hat kernel: [ 1659.517020] iwlagn: Copyright(c) 2003-2008 Intel Corporation

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