#18455: random reboots in TP-LINK 3500
------------------------+---------------------------------------
Reporter: tgayoso@… | Owner: developers
Type: defect | Status: reopened
Priority: normal | Milestone: Chaos Calmer (trunk)
Component: kernel | Version: Trunk
Resolution: | Keywords: unhandled paging requests
------------------------+---------------------------------------
Changes (by robstoon):
* status: closed => reopened
* resolution: fixed =>
Comment:
I think I have been seeing the same problem on my Archer C7 v2. I just
updated to r43584 but I got another crash. This one happened when running
the ICSI Netalyzr utility. So it appears this problem still exists.
{{{
<1>[ 1163.500000] CPU 0 Unable to handle kernel paging request at virtual
address 60000000, epc == 870c0040, ra == 870e9970
<4>[ 1163.510000] Oops[#1]:
<4>[ 1163.510000] CPU: 0 PID: 6034 Comm: dnsmasq Not tainted 3.14.26 #1
<4>[ 1163.510000] task: 86b25cb0 ti: 86a0e000 task.ti: 86a0e000
<4>[ 1163.510000] $ 0 : 00000000 00000000 60000000 86af2440
<4>[ 1163.510000] $ 4 : 86a18050 86ad7b40 86a18000 03000000
<4>[ 1163.510000] $ 8 : 00000001 00098a5e 00000000 0000002d
<4>[ 1163.510000] $12 : 00038cf8 80000379 00000000 00000000
<4>[ 1163.510000] $16 : 86ad7b40 86ad7780 86af1f80 86af2440
<4>[ 1163.510000] $20 : 00000000 8793e7e0 00000323 00000000
<4>[ 1163.510000] $24 : 00000000 80210850
<4>[ 1163.510000] $28 : 86a0e000 86a0fd08 00000000 870e9970
<4>[ 1163.510000] Hi : 00000298
<4>[ 1163.510000] Lo : 00000003
<4>[ 1163.510000] epc : 870c0040 ipv6_opt_accepted+0x40/0xb0 [ipv6]
<4>[ 1163.510000] Not tainted
<4>[ 1163.510000] ra : 870e9970 ipv6_frag_exit+0x1b80/0x2f48 [ipv6]
<4>[ 1163.510000] Status: 1100fc03 KERNEL EXL IE
<4>[ 1163.510000] Cause : 00800008
<4>[ 1163.510000] BadVA : 60000000
<4>[ 1163.510000] PrId : 00019750 (MIPS 74Kc)
<4>[ 1163.510000] Modules linked in: ifb pppoe ppp_async iptable_nat ath9k
pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4
ipt_MASQUERADE ath9k_common 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 iptable_raw iptable_mangle iptable_filter ipt_REJECT
ipt_ECN ip_tables crc_ccitt ath9k_hw fuse em_cmp em_nbyte sch_teql
sch_dsmark act_ipt sch_gred sch_htb cls_basic sch_prio em_meta act_police
em_text sch_codel sch_tbf sch_sfq sch_red sch_esfq act_connmark
nf_conntrack act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow
cls_route cls_fw sch_hfsc sch_ingress ath10k_pci ath10k_core ath mac80211
cfg80211 compat ledtrig_usbdev ip6t_rt ip6t_frag ip6t_hbh ip6t_eui64
ip6t_mh ip6t_ah ip6t_ipv6header ip6t_REJECT ip6table_raw ip6table_mangle
ip6table_filter ip6_tables x_tables msdos sit ip6_tunnel tunnel6 tunnel4
ip_tunnel vfat fat ipv6 arc4 crypto_blkcipher ohci_platform ohci_hcd
ehci_platform ehci_hcd gpio_button_hotplug ext4 crc16 jbd2 mbcache usbcore
nls_base usb_common crypto_hash [last unloaded: ifb]
<4>[ 1163.510000] Process dnsmasq (pid: 6034, threadinfo=86a0e000,
task=86b25cb0, tls=775cf440)
<4>[ 1163.510000] Stack : 00000000 802814c4 803b2720 87320780 86b28a80
000000d0 87802680 000006e3
<4>[ 1163.510000] 00000323 86af2034 00000000 86af1f80 86ad7780
86ad7900 80340000 803136f8
<4>[ 1163.510000] 00000001 8021a55c 00000323 00000000 00000000
800ad234 00000321 86af1f80
<4>[ 1163.510000] 86b28a80 00000323 00000323 0083acd3 00000000
80278ff4 803395d0 800676f4
<4>[ 1163.510000] 7fffffff 80340000 00000594 00000000 000000a8
7fffffff 00000594 00000000
<4>[ 1163.510000] ...
<4>[ 1163.510000] Call Trace:
<4>[ 1163.510000] [<870c0040>] ipv6_opt_accepted+0x40/0xb0 [ipv6]
<4>[ 1163.510000] [<870e9970>] ipv6_frag_exit+0x1b80/0x2f48 [ipv6]
<4>[ 1163.510000]
<4>[ 1163.510000]
<4>[ 1163.510000] Code: 00c42021 88820000 98820003 <88440000> 98440003
7c84d800 10800005 00000000 8c640040
<4>[ 1163.800000] ---[ end trace 4dd9dd005ba9147b ]---
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/18455#comment:13>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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