Public bug reported:
I'm building custom router based on Ubuntu Server. With bridging/routing
enabled I've encountered kernel panic (several times in row with neither
visible reason nor specific timings) in br_nf_pre_routing_finish_bridge
with atl1c driver loaded.
The bridge br0 consists of 1 port (eth0), which is the following network
card:
05:00.0 Ethernet controller: Qualcomm Atheros AR8151 v2.0 Gigabit
Ethernet (rev c0)
It is driven by atl1c module. The network behind this card is NAT'ed.
Kernel panic photo and lspci output are attached to this report. With
different network card everything works OK.
Extra info:
pf@asgard:~$ uname -a
Linux asgard 3.13.0-30-generic #54-Ubuntu SMP Mon Jun 9 22:45:01 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
pf@asgard:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS"
** Affects: linux-meta (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Kernel panic photo"
https://bugs.launchpad.net/bugs/1333913/+attachment/4138407/+files/kernel_panic.jpg
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https://bugs.launchpad.net/bugs/1333913
Title:
Kernel panics on br_nf_pre_routing_finish_bridge with atl1c driver
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