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Hi,
I’ve updated my debian squeeze LTS servers to the 2.6.32-48squeeze12 kernel this morning.
Since I did this update, I’ve got a lot of Kernel Oops message in the kernel.log like those ones :
Jun 17 13:10:59 catcher3 kernel: [ 3109.205416] BUG: unable to handle kernel NULL pointer dereference at 00000044 Jun 17 13:10:59 catcher3 kernel: [ 3109.205736] IP: [<c121e84d>] tcp_send_fin+0x2f/0x16a Jun 17 13:10:59 catcher3 kernel: [ 3109.205956] *pdpt = 00000000362a1001 *pde = 0000000000000000 Jun 17 13:10:59 catcher3 kernel: [ 3109.206226] Oops: 0002 [#102] SMP Jun 17 13:10:59 catcher3 kernel: [ 3109.206455] last sysfs file: /sys/module/ip_tables/initstate Jun 17 13:10:59 catcher3 kernel: [ 3109.206628] Modules linked in: ip6table_filter ip6_tables xt_multiport iptable_filter ip_tables x_tables binfmt_misc vsock vmmemctl acpiphp ext2 loop snd_pcm snd_timer i2c_piix4 snd soundcore snd_page_alloc shpchp i2c_core psmouse pcspkr evdev pci_hotplug container processor ac button serio_raw vmci ext4 mbcache jbd2 crc16 dm_mod vmxnet vmw_pvscsi sg sr_mod cdrom ata_generic sd_mod crc_t10dif ata_piix mptspi mptscsih libata mptbase scsi_transport_spi vmxnet3 floppy e1000 scsi_mod thermal thermal_sys [last unloaded: scsi_wait_scan] Jun 17 13:10:59 catcher3 kernel: [ 3109.211592] Jun 17 13:10:59 catcher3 kernel: [ 3109.211701] Pid: 6388, comm: smtpd Tainted: G D (2.6.32-5-686-bigmem #1) VMware Virtual Platform Jun 17 13:10:59 catcher3 kernel: [ 3109.211972] EIP: 0060:[<c121e84d>] EFLAGS: 00210282 CPU: 1 Jun 17 13:10:59 catcher3 kernel: [ 3109.212147] EIP is at tcp_send_fin+0x2f/0x16a Jun 17 13:10:59 catcher3 kernel: [ 3109.212383] EAX: 00000000 EBX: 00000089 ECX: f613eeb0 EDX: 00000009 Jun 17 13:10:59 catcher3 kernel: [ 3109.212588] ESI: f613ee40 EDI: f6987980 EBP: f613eec0 ESP: f66cff30 Jun 17 13:10:59 catcher3 kernel: [ 3109.212794] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Jun 17 13:10:59 catcher3 kernel: [ 3109.212974] Process smtpd (pid: 6388, ti=f66ce000 task=f4df1dc0 task.ti=f66ce000) Jun 17 13:10:59 catcher3 kernel: [ 3109.213227] Stack: Jun 17 13:10:59 catcher3 kernel: [ 3109.213347] 00000089 f613ee40 f613eeb0 00000000 c1212e5e c1500350 f613ee40 f57d1340 Jun 17 13:10:59 catcher3 kernel: [ 3109.213895] <0> f57d1368 f661b3c0 c122cbf8 00000000 f57d1340 c11df445 00000008 f4800220 Jun 17 13:10:59 catcher3 kernel: [ 3109.214570] <0> c11df49f c10bc823 f4800220 f7064300 f57d1368 f661b3c0 00000000 f4c2e800 Jun 17 13:10:59 catcher3 kernel: [ 3109.215326] Call Trace: Jun 17 13:10:59 catcher3 kernel: [ 3109.215450] [<c1212e5e>] ? tcp_close+0x136/0x34e Jun 17 13:10:59 catcher3 kernel: [ 3109.215613] [<c122cbf8>] ? inet_release+0x3f/0x44 Jun 17 13:10:59 catcher3 kernel: [ 3109.215780] [<c11df445>] ? sock_release+0x11/0x52 Jun 17 13:10:59 catcher3 kernel: [ 3109.215940] [<c11df49f>] ? sock_close+0x19/0x1c Jun 17 13:10:59 catcher3 kernel: [ 3109.216102] [<c10bc823>] ? __fput+0xd5/0x170 Jun 17 13:10:59 catcher3 kernel: [ 3109.216257] [<c10b9f1c>] ? filp_close+0x4e/0x54 Jun 17 13:10:59 catcher3 kernel: [ 3109.216414] [<c10b9f7c>] ? sys_close+0x5a/0x8d Jun 17 13:10:59 catcher3 kernel: [ 3109.216573] [<c10080db>] ? sysenter_after_call+0x0/0x16 Jun 17 13:10:59 catcher3 kernel: [ 3109.216772] Code: c6 8d a8 80 00 00 00 b8 00 00 00 00 53 8b 7d 04 39 ef 0f 44 f8 85 ff 74 3a 83 be 50 01 00 00 00 75 09 83 3d 60 f7 3d c1 00 74 28 <80> 0d 44 00 00 00 01 ff 47 3c ff 86 d4 03 00 00 83 be 50 01 00 Jun 17 13:10:59 catcher3 kernel: [ 3109.220376] EIP: [<c121e84d>] tcp_send_fin+0x2f/0x16a SS:ESP 0068:f66cff30 Jun 17 13:10:59 catcher3 kernel: [ 3109.220746] CR2: 0000000000000044 Jun 17 13:10:59 catcher3 kernel: [ 3109.220976] ---[ end trace d531d6f8e30ef166 ]--- Yannick BARONE |