From: Nikolay Aleksandrov <nikolay@cumulusnetworks•com>
To: Alexander Aring <alex.aring@gmail•com>, netdev@vger•kernel.org
Subject: Re: Race with ip=dhcp bootparameter in ip_rcv_finish on am335x
Date: Wed, 23 Sep 2015 12:36:13 +0200 [thread overview]
Message-ID: <5602809D.2020500@cumulusnetworks.com> (raw)
In-Reply-To: <20150923102953.GA8918@omega>
On 09/23/2015 12:29 PM, Alexander Aring wrote:
> Hi,
>
> I am using am335x (beaglebone white) with "ip=dhcp" inside my
> bootparameters. It seems there exists some race, rarely it boots fine
> and often it crashed with following messages:
>
> First (Without successful dhcp ip assign and is very rarely):
>
> [ 6.249083] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> [ 6.398943] .
> [ 7.400822] Unable to handle kernel paging request at virtual address 7402a8c8
> [ 7.408419] pgd = c0004000
> [ 7.411351] [7402a8c8] *pgd=00000000
> [ 7.415121] Internal error: Oops: 5 [#1] SMP ARM
> [ 7.419968] Modules linked in:
> [ 7.423197] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.2.0-11195-ge81be90 #124
> [ 7.432118] Hardware name: Generic AM33XX (Flattened Device Tree)
> [ 7.438509] task: c0a996c8 ti: c0a92000 task.ti: c0a92000
> [ 7.444189] PC is at ip_route_input_noref+0x620/0xeb4
> [ 7.449491] LR is at trace_hardirqs_on_caller+0xb0/0x1e8
<<<snip>>>
> [ 7.759169] [<c054b49c>] (ip_route_input_noref) from [<c0550668>] (ip_rcv_finish+0xd4/0x67c)
<<<snip>>>
>
> --------
>
> I tried to bisect this issue without success, sometimes it's booting fine
> and sometimes I got the above messages. Could anybody help me here to
> fixing this issue?
>
> - Alex
Hi Alex,
This should be fixed by commit bde6f9ded1bd
("net: Initialize table in fib result") in net-next.
Cheers,
Nik
next prev parent reply other threads:[~2015-09-23 10:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-23 10:29 Race with ip=dhcp bootparameter in ip_rcv_finish on am335x Alexander Aring
2015-09-23 10:36 ` Nikolay Aleksandrov [this message]
2015-09-23 11:09 ` Alexander Aring
2015-09-23 11:58 ` Alexander Aring
2015-09-23 12:27 ` Alexander Aring
2015-09-23 12:54 ` Steven Rostedt
2015-09-23 13:16 ` Trond Myklebust
2015-09-24 5:48 ` Alexander Aring
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