Kernel Memory corruption error messages
Has any lately seen the following memory error messages (from dmesg) after resuming from Suspend to Ram (S3). I am using Debian Lenny with 2.6.28 kernel.
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[ 179.822885] Corrupted low memory at c0007ffc (7ffc phys) = 82ea0000
[ 179.834294] ------------[ cut here ]------------
[ 179.834310] WARNING: at arch/x86/kernel/setup.c:718 check_for_bios_corruption+0xa0/0xaa()
[ 179.834326] Memory corruption detected in low memory
[ 179.845435] Modules linked in: snd_pcm_oss snd_mixer_oss dme1737 hwmon_vid lm90 snd_cs5535audio snd_ac97_codec pcspkr ac97_bus snd_pcm snd_timer snd soundcore snd_page_alloc evdev
[ 179.845505] Pid: 0, comm: swapper Not tainted 2.6.28-1-epm15-test1 #1
[ 179.845519] Call Trace:
[ 179.845904] [] warn_slowpath+0x5a/0x78
[ 179.845927] [] handle_fasteoi_irq+0x8a/0xbc
[ 179.845947] [] do_IRQ+0x5a/0x6c
[ 179.845966] [] common_interrupt+0x23/0x28
[ 179.845988] [] vprintk+0x22b/0x24a
[ 179.846008] [] vprintk+0x240/0x24a
[ 179.846029] [] read_tsc+0x6/0x22
[ 179.846053] [] getnstimeofday+0x4a/0xc5
[ 179.846078] [] mfgpt_start_timer+0x4b/0x5b
[ 179.846103] [] printk+0xe/0x11
[ 179.846124] [] check_for_bios_corruption+0xa0/0xaa
[ 179.846146] [] periodic_check_for_corruption+0x0/0x28
[ 179.846169] [] periodic_check_for_corruption+0x5/0x28
[ 179.846194] [] run_timer_softirq+0x12a/0x18e
[ 179.846214] [] __do_softirq+0x4a/0xbc
[ 179.846232] [] do_softirq+0x22/0x26
[ 179.846249] [] irq_exit+0x25/0x5f
[ 179.846267] [] do_IRQ+0x5a/0x6c
[ 179.846285] [] common_interrupt+0x23/0x28
[ 179.846308] [] default_idle+0x25/0x38
[ 179.846326] [] cpu_idle+0x41/0x6f
[ 179.846339] ---[ end trace 5f499d87af471ce2 ]---
debian:~#
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The system does seem to work fine even after the kernel panic but I am little bit nervous that in the long run it might hurt.
Also does anybody know how to debug this issue like -
- Is it a module that is causing the problem or
- Is it a core kernel issue or
- A Hardware/BIOS issue.
I also filed a bug report few days back:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=523964
Kushal Koolwal
I do blog at http://blogs.koolwal.net/
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