#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
Resolution: | Keywords: IPV6, paging request
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Comment (by mystica555):
Hi,
I also have the exact same issue, but with 6rd and not just native IPv6
via DHCPv6.
wrt1200ac
Linux OpenWrt 3.18.21 #1 SMP Fri Oct 30 22:04:58 UTC 2015 armv7l GNU/Linux
DESIGNATED DRIVER (Bleeding Edge, r47280)
from the trunk builds on openwrt.org - have not yet started compiling my
own.
[14055.160660] Unable to handle kernel paging request at virtual address
0000258c
[14055.167928] pgd = c0004000
[14055.170656] [0000258c] *pgd=00000000
[14055.174258] Internal error: Oops: 17 [#1] SMP ARM
and then soon after, it reboots.
I only caught that with:
while true; do dmesg; done
and after about 3 hours, boom, it spit that out, one more half iteration
of dmesg ran, and reboot.
I will hook a serial console to it this week to try and debug the issue
further, while the roommate isnt here and wanting to use the internet in a
stable fashion.
Please note, that with ipv6 enabled, I am seeing reboots sporadically
between 5 minutes and 7 hours of uptime. I've not seen it stay longer than
7 hours, but I presume that was during the time neither myself nor my
roommate were accessing the internet.
ifdown 6rd and I havent seen a spontaneous reboot since.
The prior flash I was running from trunk, while with mwlwifi 10.3.0.8 I
was gettting massive wifi issues, I do not believe I saw the specific ipv6
issue. I however do not know for certain, as the wifi was crashing nearly
as much as ipv6 was causing reboots after the newer flash of 10.3.0.12
fixed wifi 98%.
--
Ticket URL: <https://dev.openwrt.org/ticket/20857#comment:10>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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