Public bug reported:
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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
"Corrupted low memory at" kernel warning on resume
https://bugs.launchpad.net/bugs/324894
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