On Fri, Apr 28, 2017 at 04:24:29PM +0300, Yury Norov wrote:
> Hi all,
Hi,
[adding Dave Miller, netdev, lkml]
> On QEMU the next-20170428 hangs on boot for me due to kernel panic in
> rtnetlink_init():
>
> void __init rtnetlink_init(void)
> {
> if (register_pernet_subsys(&rtnetlink_net_ops))
> panic("rtnetlink_init: cannot initialize rtnetlink\n");
>
> ...
> }
I see the same thing with a next-20170428 arm64 defconfig, on a Juno R1
system:
[ 0.531949] Kernel panic - not syncing: rtnetlink_init: cannot initialize
rtnetlink
[ 0.531949]
[ 0.541271] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
4.11.0-rc8-next-20170428-00002-g6ee3799 #10
[ 0.550307] Hardware name: ARM Juno development board (r1) (DT)
[ 0.556332] Call trace:
[ 0.558833] [<ffff000008088538>] dump_backtrace+0x0/0x238
[ 0.564332] [<ffff000008088834>] show_stack+0x14/0x20
[ 0.569477] [<ffff00000839dd54>] dump_stack+0x9c/0xc0
[ 0.574622] [<ffff000008175344>] panic+0x11c/0x28c
[ 0.579505] [<ffff000008d80034>] rtnetlink_init+0x2c/0x1d0
[ 0.585092] [<ffff000008d8047c>] netlink_proto_init+0x14c/0x17c
[ 0.591119] [<ffff000008083150>] do_one_initcall+0x38/0x120
[ 0.596796] [<ffff000008d30d00>] kernel_init_freeable+0x1a0/0x240
[ 0.603003] [<ffff00000892a790>] kernel_init+0x10/0x100
[ 0.608324] [<ffff000008082ec0>] ret_from_fork+0x10/0x50
[ 0.613736] SMP: stopping secondary CPUs
[ 0.617738] ---[ end Kernel panic - not syncing: rtnetlink_init: cannot
initialize rtnetlink
If this isn't a known issue, it would be worth trying to bisect this.
Thanks,
Mark.
> The backtrace is:
> #0 arch_counter_get_cntvct () at ./arch/arm64/include/asm/arch_timer.h:160
> #1 __delay (cycles=62500) at arch/arm64/lib/delay.c:31
> #2 0xffff00000838a430 in __const_udelay (xloops=<optimized out>) at
> arch/arm64/lib/delay.c:41
> #3 0xffff000008165eac in panic (fmt=<optimized out>) at kernel/panic.c:297
> #4 0xffff000008b5b9c8 in rtnetlink_init () at net/core/rtnetlink.c:4196
> #5 0xffff000008b5be08 in netlink_proto_init () at
> net/netlink/af_netlink.c:2730
> #6 0xffff000008083158 in do_one_initcall (fn=0xffff000008b5bcc4
> <netlink_proto_init>) at init/main.c:795
> #7 0xffff000008b20d04 in do_initcall_level (level=<optimized out>) at
> init/main.c:861
> #8 do_initcalls () at init/main.c:869
> #9 do_basic_setup () at init/main.c:887
> #10 kernel_init_freeable () at init/main.c:1039
> #11 0xffff000008817bb0 in kernel_init (unused=<optimized out>) at
> init/main.c:962
> #12 0xffff000008082ec0 in ret_from_fork () at arch/arm64/kernel/entry.S:789
> Backtrace stopped: previous frame identical to this frame (corrupt stack?)
>
> next-20170426 is OK though.
>
> Yury
>
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