Description of problem: Kernel Oops. Version-Release number of selected component (if applicable): kernel-2.6.22.4-65.fc7 How reproducible: It has happened just once ... Actual results: Aug 25 10:45:01 fraggle kernel: list_add corruption. prev->next should be next (d4f46d14), but was d4f46f14. (prev=c203781c). Aug 25 10:45:02 fraggle kernel: ------------[ cut here ]------------ Aug 25 10:45:02 fraggle kernel: kernel BUG at lib/list_debug.c:33! Aug 25 10:45:02 fraggle kernel: invalid opcode: 0000 [#1] Aug 25 10:45:02 fraggle kernel: SMP Aug 25 10:45:02 fraggle kernel: last sysfs file: /class/i2c-adapter/i2c-0/0-002d/beep_enable Aug 25 10:45:02 fraggle kernel: Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink ipt_REJECT bridge xt_t cpudp iptable_filter ip_tables x_tables nfsd exportfs lockd nfs_acl autofs4 w83781d hwmon_vid hidp rfcomm l2cap bluetooth sunrpc ipv6 dm_multipath video sbs button dock battery ac snd_usb_audio snd_usb_lib snd_hwdep snd_ens1371 gameport snd_rawmidi sr_mod snd_ac97_codec cdrom ac97_bus snd_seq_dummy i2c_viapro ata _generic snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer via686a snd hwmon soundcore rtc_cmos i2c_isa snd_p age_alloc parport_pc natsemi i2c_core serio_raw pata_via parport floppy sg dm_snapshot dm_zero dm_mirror dm_mod pata_pdc202xx_old libata sd_mod scsi_mod raid 456 xor raid1 ext3 jbd mbcache ehci_hcd ohci_hcd uhci_hcd Aug 25 10:45:02 fraggle kernel: CPU: 0 Aug 25 10:45:02 fraggle kernel: EIP: 0060:[<c04edfb1>] Not tainted VLI Aug 25 10:45:02 fraggle kernel: EFLAGS: 00210286 (2.6.22.4-65.fc7 #1) Aug 25 10:45:02 fraggle kernel: EIP is at __list_add+0x48/0x5c Aug 25 10:45:02 fraggle kernel: eax: 00000061 ebx: cb851d44 ecx: 00200086 edx: 00200000 Aug 25 10:45:02 fraggle kernel: esi: d4f46f14 edi: c20377e8 ebp: c399c000 esp: c76f1ef8 Aug 25 10:45:02 fraggle kernel: ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Aug 25 10:45:02 fraggle kernel: Process munin-node (pid: 20355, ti=c76f1000 task=d22f8000 task.ti=c76f1000) Aug 25 10:45:02 fraggle kernel: Stack: c06b06cc d4f46d14 d4f46f14 c203781c d4f46d10 cb851d10 c046c40b cb851d10 Aug 25 10:45:02 fraggle kernel: 00000002 c04265e1 cb851c78 00200296 00d36350 c76f1fb8 bfe29f48 01200011 Aug 25 10:45:02 fraggle kernel: 00000000 cdfda000 cdfda000 c399c000 cb851cc4 cb851cd4 cb851cd0 c399c700 Aug 25 10:45:02 fraggle kernel: Call Trace: Aug 25 10:45:02 fraggle kernel: [<c046c40b>] anon_vma_link+0x20/0x27 Aug 25 10:45:02 fraggle kernel: [<c04265e1>] copy_process+0xa4b/0x1150 Aug 25 10:45:02 fraggle kernel: [<c0426d37>] do_fork+0x51/0x17e Aug 25 10:45:02 fraggle kernel: [<c0403211>] sys_clone+0x36/0x3b Aug 25 10:45:02 fraggle kernel: [<c0404f8e>] syscall_call+0x7/0xb Aug 25 10:45:02 fraggle kernel: ======================= Aug 25 10:45:02 fraggle kernel: Code: 7c 06 6b c0 e8 20 a2 f3 ff 0f 0b eb fe 8b 32 39 ce 74 1c 89 54 24 0c 89 74 24 08 89 4c 24 04 c7 04 24 cc 06 6b c0 e8 fe a1 f3 ff <0f> 0b eb fe 89 59 04 89 0b 89 43 04 89 18 83 c4 10 5b 5e c3 8b Aug 25 10:45:02 fraggle kernel: EIP: [<c04edfb1>] __list_add+0x48/0x5c SS:ESP 0068:c76f1ef8
Created attachment 172521 [details] lspci -v output
"should be next (d4f46d14), but was d4f46f14." A single bit flipped. This could be a sign of bad memory, or other hardware failure. I suggest running a test with memtest86+ for a while.
Yup, I'm closing this bug. I've filled this bug half asleep ... I've just finished to run a full hardware check and part of the memory is dying. Need to know now which part is dying ... thks.