Messages in this thread | | | Subject | Re: [linux-next] oops in ip_route_input_noref | From | David Ahern <> | Date | Wed, 16 Sep 2015 07:07:42 -0600 |
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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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