#20857: Kernel crash, when using native IPV6
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Reporter: johnnysl | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone: Designated Driver (Trunk)
Component: kernel | Version: Trunk
Keywords: IPV6, paging request |
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Device: Linksys WRT1900ACV2
OpenWrt Version:
DISTRIB_RELEASE='Bleeding Edge'
DISTRIB_REVISION='r47373'
DISTRIB_CODENAME='designated_driver'
DISTRIB_TARGET='mvebu/generic'
DISTRIB_TAINTS='no-all busybox'
Issue: actual (native) IPV6 usage will cause the router to crash after
between 15 and 60 minutes of normal usage. Issue is reproducable.
(Workaround is to bring the wan6 interface down, to prevent IPV6 usage.)
crash message in log:
Wed Nov 4 16:29:41 2015 kern.alert kernel: [ 4162.623720] Unable to
handle kernel paging request at virtual address 0000258c
Wed Nov 4 16:29:41 2015 kern.alert kernel: [ 4162.630986] pgd = c0004000
Wed Nov 4 16:29:41 2015 kern.alert kernel: [ 4162.633714] [0000258c]
*pgd=00000000
Wed Nov 4 16:29:41 2015 kern.emerg kernel: [ 4162.637314] Internal error:
Oops: 17 [#1] SMP ARM
Wed Nov 4 16:29:41 2015 kern.warn kernel: [ 4162.642036] Modules linked
in: pppoe ppp_async iptable_nat pppox ppp_generic nf_nat_ipv4
nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE
Wed Nov 4 16:29:41 2015 kern.warn kernel: [ 4162.733832] Workqueue: phy0
ieee80211_iface_work [mac80211]
relevant network config:
config interface 'wan'
option ifname 'eth0.6'
option _orig_ifname 'eth0'
option _orig_bridge 'false'
option proto 'pppoe'
option password 'some-password'
option ipv6 '1'
option peerdns '0'
option username 'some-user'
option dns '31.220.43.191 62.141.38.230'
config interface 'wan6'
option ifname '@wan'
option proto 'dhcpv6'
option reqaddress 'try'
option reqprefix 'auto'
please let me know if you need more details
--
Ticket URL: <https://dev.openwrt.org/ticket/20857>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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