cetos4.4做PPTP服务器，莫明出现死机

ycym

Jan  7 14:24:00 localhost pppd[12570]: Using interface ppp23
Jan  7 14:24:00 localhost pppd[12570]: Connect: ppp23 <--> /dev/pts/23
Jan  7 14:24:03 localhost pptpd[12569]: CTRL: Ignored a SET LINK INFO packet with real ACCMs!
Jan  7 14:24:03 localhost pppd[12570]: Cannot determine ethernet address for proxy ARP
Jan  7 14:24:03 localhost pppd[12570]: local  IP address 10.10.10.1
Jan  7 14:24:03 localhost pppd[12570]: remote IP address 10.0.0.25
Jan  7 14:24:03 localhost pppd[12570]: pptpd-logwtmp.so ip-up ppp23 srxcnc0002 58.17.105.34
Jan  7 14:25:42 localhost kernel: Unable to handle kernel paging request at virtual address 2cffcffc
Jan  7 14:25:42 localhost kernel:  printing eip:
Jan  7 14:25:42 localhost kernel: c01809e4
Jan  7 14:25:42 localhost kernel: *pde = 00000000
Jan  7 14:25:42 localhost kernel: Oops: 0000 [#1]
Jan  7 14:25:42 localhost kernel: Modules linked in: ppp_deflate zlib_deflate ppp_async crc_ccitt ppp_generic(U) slhc ip_nat_ftp ip_conntrack_ftp md5 ipv6 parport_pc lp parport autofs4 sunrpc ipt_REJECT ipt_state iptable_filter ipt_MASQUERADE iptable_nat ip_conntrack ip_tables button battery ac uhci_hcd ehci_hcd snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore 3c59x e100 mii floppy dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod ata_piix libata sd_mod scsi_mod
Jan  7 14:25:42 localhost kernel: CPU:    0
Jan  7 14:25:42 localhost kernel: EIP:    0060:[<c01809e4>]    Not tainted VLI
Jan  7 14:25:42 localhost kernel: EFLAGS: 00010216   (2.6.9-42.EL)
Jan  7 14:25:42 localhost kernel: EIP is at poll_freewait+0xf/0x38
Jan  7 14:25:42 localhost kernel: eax: c15ed998   ebx: 2cffcfe4   ecx: c036bad0   edx: c12bae58
Jan  7 14:25:42 localhost kernel: esi: deffc000   edi: 00000001   ebp: bfe54ea8   esp: f4b03f80
Jan  7 14:25:42 localhost kernel: ds: 007b   es: 007b   ss: 0068
Jan  7 14:25:42 localhost kernel: Process squid (pid: 29656, threadinfo=f4b03000 task=ee2c4cd0)
Jan  7 14:25:42 localhost kernel: Stack: 00000000 dc8e9808 c01816ac 000b8537 00000000 dc8e9800 00000000 00000001
Jan  7 14:25:42 localhost kernel:        c0180a0d ef6cc000 00000000 c0129189 bfe54778 00eaa2a0 003a3ff4 f4b03000
Jan  7 14:25:42 localhost kernel:        c0318d93 bfe54ea8 000000e6 000002f3 00eaa2a0 003a3ff4 bfe5469c 000000a8
Jan  7 14:25:42 localhost kernel: Call Trace:
Jan  7 14:25:42 localhost kernel:  [<c01816ac>] sys_poll+0x275/0x281
Jan  7 14:25:42 localhost kernel:  [<c0180a0d>] __pollwait+0x0/0x94
Jan  7 14:25:42 localhost kernel:  [<c0129189>] sys_gettimeofday+0x53/0xac
Jan  7 14:25:42 localhost kernel:  [<c0318d93>] syscall_call+0x7/0xb
Jan  7 14:25:42 localhost kernel:  [<c031007b>] xfrm_send_policy_notify+0x61/0x6a
Jan  7 14:25:42 localhost kernel: Code: 00 e9 90 fb ff ff 90 c7 00 0d 0a 18 c0 c7 40 08 00 00 00 00 c7 40 04 00 00 00 00 c3 56 53 8b 70 04 85 f6 74 2c 8b 5e 04 83 eb 1c <8b> 43 18 8d 53 04 e8 c5 0a fa ff 8b 03 e8 ef c5 fe ff 8d 46 08
Jan  7 14:25:42 localhost kernel:  <0>Fatal exception: panic in 5 seconds
最后的日志是这样的，请教一下是为何