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#1 2009-11-20 08:07:01

joda
Member
Registered: 2009-11-15
Posts: 5

Corrupted low memory

When I boot my system I get:

Nov 20 00:26:30 ryjek kernel: Inspecting /boot/System.map-2.6.28-11-generic
Nov 20 00:26:31 ryjek kernel: Cannot find map file.
Nov 20 00:26:31 ryjek kernel: Loaded 54836 symbols from 54 modules.
Nov 20 00:26:31 ryjek kernel: [    0.000000] BIOS EBDA/lowmem at: 0009f400/0009f400
Nov 20 00:26:31 ryjek kernel: [    0.000000] Initializing cgroup subsys cpuset
Nov 20 00:26:31 ryjek kernel: [    0.000000] Initializing cgroup subsys cpu
Nov 20 00:26:31 ryjek kernel: [    0.000000] Linux version 2.6.28-11-generic (buildd@palmer) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 (Ubuntu 2.6.28-11.42-generic)

...

Nov 20 00:26:31 ryjek kernel: [   21.583836] type=1505 audit(1258673189.708:7): operation="profile_load" name="/usr/lib/cups/backend/cups-pdf" name2="default" pid=2008
Nov 20 00:26:31 ryjek kernel: [   21.584260] type=1505 audit(1258673189.712:8): operation="profile_load" name="/usr/sbin/cupsd" name2="default" pid=2008
Nov 20 00:26:31 ryjek kernel: [   21.622851] type=1505 audit(1258673189.748:9): operation="profile_load" name="/usr/sbin/tcpdump" name2="default" pid=2012
Nov 20 00:27:07 ryjek kernel: [   59.816044] Corrupted low memory at c0004f40 (4f40 phys) = 00103900
Nov 20 00:27:07 ryjek kernel: [   59.816142] Corrupted low memory at c0004f44 (4f44 phys) = 10000700
Nov 20 00:27:07 ryjek kernel: [   59.816216] Corrupted low memory at c0004f48 (4f48 phys) = 00000322
Nov 20 00:27:07 ryjek kernel: [   59.816289] Corrupted low memory at c0004f4c (4f4c phys) = 80400006
Nov 20 00:27:07 ryjek kernel: [   59.816362] Corrupted low memory at c0004f54 (4f54 phys) = 000000c0
Nov 20 00:27:07 ryjek kernel: [   59.816435] Corrupted low memory at c0004f74 (4f74 phys) = 0000c000
Nov 20 00:27:07 ryjek kernel: [   59.816508] Corrupted low memory at c0004f90 (4f90 phys) = 0109cf00
Nov 20 00:27:07 ryjek kernel: [   59.816581] Corrupted low memory at c0004f94 (4f94 phys) = 0d437303
Nov 20 00:27:07 ryjek kernel: [   59.816654] Corrupted low memory at c0004f98 (4f98 phys) = 18240109
Nov 20 00:27:07 ryjek kernel: [   59.816727] Corrupted low memory at c0004f9c (4f9c phys) = 20d51200
Nov 20 00:27:07 ryjek kernel: [   59.816800] Corrupted low memory at c0004fa0 (4fa0 phys) = 004b4b06
Nov 20 00:27:07 ryjek kernel: [   59.816873] Corrupted low memory at c0004fa4 (4fa4 phys) = 1a000300
Nov 20 00:27:07 ryjek kernel: [   59.816945] Corrupted low memory at c0004fa8 (4fa8 phys) = e9800180
Nov 20 00:27:07 ryjek kernel: [   59.817018] Corrupted low memory at c0004fac (4fac phys) = 80006f00
Nov 20 00:27:07 ryjek kernel: [   59.817091] Corrupted low memory at c0004fb0 (4fb0 phys) = 309e3f00
Nov 20 00:27:07 ryjek kernel: [   59.817164] Corrupted low memory at c0004fb4 (4fb4 phys) = 14000200
Nov 20 00:27:07 ryjek kernel: [   59.817237] Corrupted low memory at c0004fb8 (4fb8 phys) = 00000080
Nov 20 00:27:07 ryjek kernel: [   59.817310] Corrupted low memory at c0004fbc (4fbc phys) = 080f0200
Nov 20 00:27:07 ryjek kernel: [   59.817383] Corrupted low memory at c0004fc0 (4fc0 phys) = 30272200
Nov 20 00:27:07 ryjek kernel: [   59.817456] Corrupted low memory at c0004fc4 (4fc4 phys) = 04008103
Nov 20 00:27:07 ryjek kernel: [   59.817529] Corrupted low memory at c0004fc8 (4fc8 phys) = 000c202b
Nov 20 00:27:07 ryjek kernel: [   59.817601] Corrupted low memory at c0004fcc (4fcc phys) = 04000001
Nov 20 00:27:07 ryjek kernel: [   59.817675] Corrupted low memory at c0004fd0 (4fd0 phys) = 00000020
Nov 20 00:27:07 ryjek kernel: [   59.817748] Corrupted low memory at c0004fd4 (4fd4 phys) = 64006000
Nov 20 00:27:07 ryjek kernel: [   59.817821] Corrupted low memory at c0004fd8 (4fd8 phys) = b41e4176
Nov 20 00:27:07 ryjek kernel: [   59.817894] Corrupted low memory at c0004fdc (4fdc phys) = 00000002
Nov 20 00:27:07 ryjek kernel: [   59.817967] Corrupted low memory at c0004fe0 (4fe0 phys) = 7764c210
Nov 20 00:27:07 ryjek kernel: [   59.818039] Corrupted low memory at c0004fe4 (4fe4 phys) = 010303c2
Nov 20 00:27:07 ryjek kernel: [   59.818112] Corrupted low memory at c0004fe8 (4fe8 phys) = 00500000
Nov 20 00:27:07 ryjek kernel: [   59.818185] Corrupted low memory at c0004fec (4fec phys) = 000142c2
Nov 20 00:27:07 ryjek kernel: [   59.818258] Corrupted low memory at c0004ff0 (4ff0 phys) = 00000002
Nov 20 00:27:07 ryjek kernel: [   59.818331] Corrupted low memory at c0004ff4 (4ff4 phys) = 00018080
Nov 20 00:27:07 ryjek kernel: [   59.818404] Corrupted low memory at c0004ff8 (4ff8 phys) = 2c74a700
Nov 20 00:27:07 ryjek kernel: [   59.818477] Corrupted low memory at c0004ffc (4ffc phys) = 30000033
Nov 20 00:27:07 ryjek kernel: [   59.818550] Corrupted low memory at c0005000 (5000 phys) = 300002a6
Nov 20 00:27:07 ryjek kernel: [   59.818623] Corrupted low memory at c0005004 (5004 phys) = 004e0b00
Nov 20 00:27:07 ryjek kernel: [   59.818696] Corrupted low memory at c0005008 (5008 phys) = 0000001f
Nov 20 00:27:07 ryjek kernel: [   59.818768] Corrupted low memory at c0005010 (5010 phys) = 31422200
Nov 20 00:27:07 ryjek kernel: [   59.818841] Corrupted low memory at c0005014 (5014 phys) = ffff0902
Nov 20 00:27:07 ryjek kernel: [   59.818914] Corrupted low memory at c0005018 (5018 phys) = aa606001
Nov 20 00:27:07 ryjek kernel: [   59.818987] Corrupted low memory at c000501c (501c phys) = 00000110
Nov 20 00:27:07 ryjek kernel: [   59.819059] Corrupted low memory at c0005020 (5020 phys) = 15072323
Nov 20 00:27:07 ryjek kernel: [   59.819132] Corrupted low memory at c0005024 (5024 phys) = 00000082
Nov 20 00:27:07 ryjek kernel: [   59.819205] Corrupted low memory at c0005028 (5028 phys) = cf555500
Nov 20 00:27:07 ryjek kernel: [   59.819278] Corrupted low memory at c000502c (502c phys) = 000000e5
Nov 20 00:27:07 ryjek kernel: [   59.819350] Corrupted low memory at c0005030 (5030 phys) = 00001800
Nov 20 00:27:07 ryjek kernel: [   59.819424] Corrupted low memory at c0005034 (5034 phys) = 00850000
Nov 20 00:27:07 ryjek kernel: [   59.819535] ------------[ cut here ]------------
Nov 20 00:27:07 ryjek kernel: [   59.819538] WARNING: at /build/buildd/linux-2.6.28/arch/x86/kernel/setup.c:719 check_for_bios_corruption+0xc8/0xd0()
Nov 20 00:27:07 ryjek kernel: [   59.819541] Memory corruption detected in low memory
Nov 20 00:27:07 ryjek kernel: [   59.819610] Modules linked in: input_polldev 3c59x lp parport snd_intel8x0 snd_ac97_codec hostap_pci hostap ieee80211_crypt ac97_bus snd_pcm_oss snd_mixer_oss pcmcia snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event joydev sis_agp snd_seq snd_timer snd_seq_device orinoco_pci yenta_socket rsrc_nonstatic i2c_sis96x orinoco hermes_dld hermes shpchp agpgart pcmcia_core snd soundcore snd_page_alloc pcspkr psmouse serio_raw video output usb_storage usbhid sis900 mii ohci1394 ieee1394 fbcon tileblit font bitblit softcursor
Nov 20 00:27:07 ryjek kernel: [   59.819665] Pid: 0, comm: swapper Not tainted 2.6.28-11-generic #42-Ubuntu
Nov 20 00:27:07 ryjek kernel: [   59.819668] Call Trace:
Nov 20 00:27:07 ryjek kernel: [   59.819677]  [<c0139ab0>] warn_slowpath+0x60/0x80
Nov 20 00:27:07 ryjek kernel: [   59.819682]  [<c013a2f9>] ? release_console_sem+0x1c9/0x200
Nov 20 00:27:07 ryjek kernel: [   59.819688]  [<c0502cf8>] ? _spin_lock+0x8/0x10
Nov 20 00:27:07 ryjek kernel: [   59.819692]  [<c0109ab1>] ? pit_next_event+0x31/0x40
Nov 20 00:27:07 ryjek kernel: [   59.819699]  [<c0159b1a>] ? clockevents_program_event+0x9a/0x150
Nov 20 00:27:07 ryjek kernel: [   59.819706]  [<c0500ac6>] ? printk+0x18/0x1a
Nov 20 00:27:07 ryjek kernel: [   59.819710]  [<c01079c8>] check_for_bios_corruption+0xc8/0xd0
Nov 20 00:27:07 ryjek kernel: [   59.819713]  [<c01079d8>] periodic_check_for_corruption+0x8/0x30
Nov 20 00:27:07 ryjek kernel: [   59.819718]  [<c0143b00>] run_timer_softirq+0x130/0x200
Nov 20 00:27:07 ryjek kernel: [   59.819722]  [<c01079d0>] ? periodic_check_for_corruption+0x0/0x30
Nov 20 00:27:07 ryjek kernel: [   59.819726]  [<c01079d0>] ? periodic_check_for_corruption+0x0/0x30
Nov 20 00:27:07 ryjek kernel: [   59.819730]  [<c013f197>] __do_softirq+0x97/0x170
Nov 20 00:27:07 ryjek kernel: [   59.819734]  [<c013f2cd>] do_softirq+0x5d/0x60
Nov 20 00:27:07 ryjek kernel: [   59.819737]  [<c013f445>] irq_exit+0x55/0x90
Nov 20 00:27:07 ryjek kernel: [   59.819741]  [<c0106853>] do_IRQ+0x83/0xa0
Nov 20 00:27:07 ryjek kernel: [   59.819744]  [<c01051f3>] common_interrupt+0x23/0x30
Nov 20 00:27:07 ryjek kernel: [   59.819751]  [<c03195b9>] ? acpi_idle_enter_simple+0x153/0x18e
Nov 20 00:27:07 ryjek kernel: [   59.819756]  [<c040f4df>] cpuidle_idle_call+0x6f/0xd0
Nov 20 00:27:07 ryjek kernel: [   59.819760]  [<c010285d>] cpu_idle+0x6d/0xd0
Nov 20 00:27:07 ryjek kernel: [   59.819765]  [<c04f110e>] rest_init+0x4e/0x60
Nov 20 00:27:07 ryjek kernel: [   59.819768] ---[ end trace e1c6e90de899222e ]---
Nov 20 00:27:30 ryjek kernel: [   82.703138] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Nov 20 00:27:30 ryjek kernel: [   82.703142] Bluetooth: BNEP filters: protocol multicast
Nov 20 00:27:30 ryjek kernel: [   82.714077] Bridge firewalling registered
Nov 20 00:27:35 ryjek kernel: [   87.530419] ppdev: user-space parallel port driver
Nov 20 00:27:36 ryjek kernel: [   88.749764] nvidia: module license 'NVIDIA' taints kernel.
Nov 20 00:27:37 ryjek kernel: [   89.019005] nvidia 0000:01:00.0: PCI INT A -> Link[LNKC] -> GSI 5 (level, low) -> IRQ 5
Nov 20 00:27:37 ryjek kernel: [   89.021330] NVRM: loading NVIDIA UNIX x86 Kernel Module  173.14.16  Sat Jan 24 19:42:59 PST 2009
Nov 20 00:27:37 ryjek kernel: [   89.162889] agpgart-sis 0000:00:00.0: AGP 3.0 bridge
Nov 20 00:27:37 ryjek kernel: [   89.162917] agpgart-sis 0000:00:00.0: putting AGP V3 device at 0000:00:00.0 into 8x mode
Nov 20 00:27:37 ryjek kernel: [   89.162922] agpgart-sis 0000:00:00.0: SiS delay workaround: giving bridge time to recover
Nov 20 00:27:37 ryjek kernel: [   89.176162] agpgart-sis 0000:00:00.0: putting AGP V3 device at 0000:01:00.0 into 8x mode
Nov 20 00:27:39 ryjek kernel: [   90.873967] eth0: Media Link Off
Nov 20 00:27:39 ryjek kernel: [   90.874085] ADDRCONF(NETDEV_UP): eth0: link is not ready
Nov 20 00:27:39 ryjek kernel: [   90.913387] ADDRCONF(NETDEV_UP): eth1: link is not ready
Nov 20 00:27:39 ryjek kernel: [   90.942207] eth1: New link status: Disconnected (0002)

After that system work fine except when I want to copy lots of data through my PCMCIA Network Card (3Com on 3c59x) on local network (when i copy thru any point in the network /WAN its ok - althought slower) when it hangs all my system and only solution is to reboot. Mayby this corrupted memory is used whed Network Card tries to copy too many data too fast and it needs to use its (low memory) like a buffer. But I run memtest from grub and it goes just fine wothout any errors. Whats the cause and how to I get rid of it? Thanks for help in advance.

PS. I use Ubuntu 9.04 with kernel 2.6.28-11, but on kernel 2.6.28-16 the same happened, and I suppose on ubuntu 9.10 and ArchLinux 08.2009 with kernel 2.6.31 too cause the Network Card was hanging the system. Moreover this Network Card with its module works just fine on the same laptop on WinXP and my other laptop on ArchLinux + 2.6.31.

Last edited by joda (2009-11-20 08:09:43)

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#2 2009-11-20 08:16:08

deej
Member
Registered: 2008-02-08
Posts: 395

Re: Corrupted low memory

Have you tried the Ubuntu forums ?

http://ubuntuforums.org/showthread.php?t=1106037

Deej

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#3 2009-11-20 08:25:55

joda
Member
Registered: 2009-11-15
Posts: 5

Re: Corrupted low memory

Yup... I also saw https://bugs.launchpad.net/ubuntu/+sour … ug/324894/ but on my other laptop on the same kernel it works just fine while they have problems with it... why? Is it specific_hardware+specific_kernel related?

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