On 9/16/15 5:50 AM, Richard Alpe wrote:
On 2015-09-16 11:24, Sergey Senozhatsky wrote:
Hi,
4.3.0-rc1-next-20150916
oops after removal of rndis usb device
Hi Sergey:
Is this with KVM or baremetal?
-----8<-----
thanks for the analysis
addr2line -e vmlinux -i 0xffffffff8146c0b1
net/ipv4/route.c:1815
net/ipv4/route.c:1905
which seems to be this line ip_route_input_noref()->ip_route_input_slow():
...
1813 rth->rt_is_input = 1;
1814 if (res.table)
1815 rth->rt_table_id = res.table->tb_id;
1816
...
added by b7503e0cdb5dbec5d201aa69d8888c14679b5ae8
net: Add FIB table id to rtable
Add the FIB table id to rtable to make the information available for
IPv4 as it is for IPv6.
-ss
Hi Richard:
I to get an Oops in ip_route_input_noref(). It happens occasionally during
bootup.
KVM environment using virtio driver. Let me know if you need any additional
info or
if you want me to try to bisect it.
Starting network...
...
[ 0.877040] BUG: unable to handle kernel NULL pointer dereference at
0000000000000056
[ 0.877597] IP: [<ffffffff8155b5e2>] ip_route_input_noref+0x1a2/0xb00
Can you send me your kernel config and qemu command line? KVM with
virtio networking is a primary test vehicle, and I did not encounter
this at all.
Thanks,
David
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