[Dnsmasq-discuss] BUG: unable to handle kernel paging request at 0040b4e0

toobyddum at gmail.com toobyddum at gmail.com
Sun Oct 25 03:17:03 GMT 2009


hello, everyone~~~

I got a kernel panic after dnsmasq has running about 1 days, dnsmasq version
is 2.4.9, kernel is: 2.6.26.8

Any reply or suggestion is great appreciated. :)

dmesg details as follows:

BUG: unable to handle kernel paging request at 0040b4e0
IP: [<c025cf13>] d_instantiate+0xf/0x2b
*pde = 00000000
Oops: 0002 [#1]
Modules linked in: sch_ingress act_mirred cls_u32 sch_sfq sch_htb pcspkr
ppp_mppe ipt_TTL xt_hashlimit nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp
nf_conntrack_proto_gre ipt_REDIRECT ipt_set xt_mark xt_TCPMSS ip_set_iphash
ip_set xt_conntrack ipt_ACCOUNT iptable_raw arpt_mangle 8250_pnp 8250_pci
8250 serial_core nf_nat_ftp pppoe pppox nf_conntrack_ftp
nf_conntrack_netlink ppp_generic slhc xt_owner xt_TEE xt_condition
compat_xtables ipt_NETMAP arptable_filter arp_tables ipt_MASQUERADE ipt_ULOG
ipt_recent xt_multiport ipt_REJECT xt_DSCP xt_time xt_layer7 xt_iprange
ipt_ipp2p iptable_mangle iptable_filter iptable_nat nf_nat nf_conntrack_ipv4
ip_tables xt_connlimit xt_helper xt_string xt_MARK xt_comment xt_state
nf_conntrack xt_limit xt_mac xt_tcpudp x_tables nfnetlink ifb via_rhine e100
fbcon font bitblit softcursor vga16fb fb cfbcopyarea vgastate cfbimgblt
cfbfillrect tcp_bic

Pid: 17755, comm: dnsmasq Not tainted (2.6.26.8-i386 #182)
EIP: 0060:[<c025cf13>] EFLAGS: 00010286 CPU: 0
EIP is at d_instantiate+0xf/0x2b
EAX: 0040b4dc EBX: df010898 ECX: df009344 EDX: df0108d4
ESI: df009320 EDI: df010898 EBP: de1a0000 ESP: de1a1f48
 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
Process dnsmasq (pid: 17755, ti=de1a0000 task=de7694a0 task.ti=de1a0000)
Stack: de0f61a0 c046fade 00000000 00000000 c05a6c16 0000001b 0000001b
df009320
       c046fb45 de0f61a0 00000000 f04b2fdc 0806d410 c0470534 df009320
00000000
       c0470cac 00000002 00000002 00000000 00000002 00000002 00000000
00000000
Call Trace:
 [<c046fade>] sock_attach_fd+0x4f/0x95
 [<c046fb45>] sock_map_fd+0x21/0x4a
 [<c0470534>] sys_socket+0x27/0x3a
 [<c0470cac>] sys_socketcall+0x51/0x181
 [<c0202e59>] sysenter_past_esp+0x6a/0x91
 =======================
Code: c3 56 89 d6 53 e8 fd fc ff ff 85 c0 89 c3 74 07 89 f0 e8 b8 07 00 00
89 d8 5b 5e c3 85 d2 89 d1 53 89 c3 74 15 8d 50 3c 8b 41 18 <89> 50 04 89 43
3c 8d 41 18 89 43 40 89 51 18 89 4b 08 89 d8 89
EIP: [<c025cf13>] d_instantiate+0xf/0x2b SS:ESP 0068:de1a1f48
Clocksource tsc unstable (delta = 18747400082 ns)
---[ end trace 4d6c85ead67accb1 ]---
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