#18455: random reboots in TP-LINK 3500
------------------------+---------------------------------------
Reporter: tgayoso@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone: Chaos Calmer (trunk)
Component: kernel | Version: Trunk
Resolution: | Keywords: unhandled paging requests
------------------------+---------------------------------------
Comment (by tgayoso@…):
just noticed this crash was linked to dnsmasq instead of swapper
{{{
<6>[ 31.752000] br-lan: port 3(wlan1) entered forwarding state
<6>[ 2109.368000] nf_conntrack: automatic helper assignment is deprecated
and it will be removed soon. Use the iptables CT target to attach helpers
instead.
<1>[48518.855000] CPU 0 Unable to handle kernel paging request at virtual
address 60000000, epc == 87040040, ra == 8706a52c
<4>[48518.866000] Oops[#1]:
<4>[48518.866000] CPU: 0 PID: 1546 Comm: dnsmasq Not tainted 3.14.25 #1
<4>[48518.866000] task: 86e84e58 ti: 86eda000 task.ti: 86eda000
<4>[48518.866000] $ 0 : 00000000 00000000 60000000 858b651c
<4>[48518.866000] $ 4 : 86e94a00 86c580c0 00002000 0000009c
<4>[48518.866000] $ 8 : 0000318c 00000000 00000000 872de930
<4>[48518.866000] $12 : 00000000 00000000 80000000 20000000
<4>[48518.866000] $16 : 86c580c0 871fa0c0 86e94540 86e94a00
<4>[48518.866000] $20 : 00000000 87938700 20000000 00000006
<4>[48518.866000] $24 : 00000002 873612a0
<4>[48518.866000] $28 : 86eda000 86edb9a0 8034b7a0 8706a52c
<4>[48518.866000] Hi : 00000000
<4>[48518.866000] Lo : 000003f0
<4>[48518.866000] epc : 87040040 ipv6_opt_accepted+0x40/0xb0 [ipv6]
<4>[48518.866000] Not tainted
<4>[48518.866000] ra : 8706a52c ipv6_frag_exit+0x27d0/0x2f4c [ipv6]
<4>[48518.866000] Status: 1100fc03 KERNEL EXL IE
<4>[48518.866000] Cause : 00800008
<4>[48518.866000] BadVA : 60000000
<4>[48518.866000] PrId : 0001974c (MIPS 74Kc)
<4>[48518.866000] Modules linked in: ath9k ath9k_common pppoe ppp_async
iptable_nat ath9k_hw ath pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6
nf_conntrack_ipv4 mac80211 ipt_MASQUERADE cfg80211 xt_time xt_tcpudp
xt_tcpmss xt_string xt_statistic xt_state xt_recent xt_nat xt_multiport
xt_mark xt_mac xt_limit xt_length xt_id xt_hl xt_helper xt_ecn xt_dscp
xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS
xt_REDIRECT xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY ts_kmp ts_fsm ts_bm
slhc nf_nat_irc nf_nat_ftp nf_nat nf_defrag_ipv6 nf_defrag_ipv4
nf_conntrack_irc nf_conntrack_ftp nf_conntrack iptable_raw iptable_mangle
iptable_filter ipt_REJECT ipt_ECN ip_tables crc_ccitt compat sch_teql
sch_tbf sch_sfq sch_red sch_prio sch_htb sch_gred sch_dsmark sch_codel
em_text em_nbyte em_meta em_cmp cls_basic act_police act_ipt act_skbedit
act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc
sch_ingress ledtrig_usbdev ip6t_REJECT ip6table_raw ip6table_mangle
ip6table_filter ip6_tables x_tables ifb ipv6 arc4 crypto_blkcipher
ohci_platform ohci_hcd ehci_platform ehci_hcd gpio_button_hotplug usbcore
nls_base usb_common
<4>[48518.866000] Process dnsmasq (pid: 1546, threadinfo=86eda000,
task=86e84e58, tls=7700e440)
<4>[48518.866000] Stack : 871fa0c0 86d1a000 00000601 86edba20 86edb9b8
80335a00 80106f68 80106bec
<4>[48518.866000] 00000000 800ae090 80330000 871fa0c0 86e94540
00000000 80341000 858b651c
<4>[48518.866000] 8039b150 8706a944 80335a00 871fa0c0 00000001
0000000a 00000000 801d40d4
<4>[48518.866000] 0000825a 80000000 803359f8 871fa0c0 00000035
86edba20 871fa0c0 86d66800
<4>[48518.866000] 87076210 803369e8 fffffffe 30000000 20000000
00000006 00000006 87045bf0
<4>[48518.866000] ...
<4>[48518.866000] Call Trace:
<4>[48518.866000] [<87040040>] ipv6_opt_accepted+0x40/0xb0 [ipv6]
<4>[48518.866000] [<8706a52c>] ipv6_frag_exit+0x27d0/0x2f4c [ipv6]
<4>[48518.866000]
<4>[48518.866000]
<4>[48518.866000] Code: 00671821 88620000 98620003 <88430000> 98430003
7c62d800 10400005 00000000 8c830040
<4>[48519.130000] ---[ end trace 335e9f6e70e1b288 ]---
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/18455#comment:8>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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