From: Grygorii Strashko <grygorii.strashko@ti.com>
To: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Jakub Kicinski <kuba@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Florian Fainelli <f.fainelli@gmail.com>,
Andrew Lunn <andrew@lunn.ch>,
Vivien Didelot <vivien.didelot@gmail.com>,
Jiri Pirko <jiri@resnulli.us>, Ido Schimmel <idosch@idosch.org>,
Roopa Prabhu <roopa@nvidia.com>,
Nikolay Aleksandrov <nikolay@nvidia.com>,
Stephen Hemminger <stephen@networkplumber.org>,
"bridge@lists.linux-foundation.org"
<bridge@lists.linux-foundation.org>,
Arnd Bergmann <arnd@kernel.org>
Subject: Re: [PATCH net-next 0/2] Convert switchdev_bridge_port_{,un}offload to notifiers
Date: Tue, 3 Aug 2021 22:18:37 +0300 [thread overview]
Message-ID: <d12596b2-4a2e-d567-1e52-fac7c6c3d28d@ti.com> (raw)
In-Reply-To: <20210803181534.qgbcjow4ketd4yio@skbuf>
On 03/08/2021 21:15, Vladimir Oltean wrote:
> On Tue, Aug 03, 2021 at 08:11:56PM +0300, Grygorii Strashko wrote:
>> I've tested builds, but was not able to test bridge itself on TI am57x platform.
>>
>> 1) See warning
>> [ 3.958496] ------------[ cut here ]------------
>> [ 3.963165] WARNING: CPU: 0 PID: 1 at lib/refcount.c:25 fib_create_info+0xae8/0xbd4
>> [ 3.970855] refcount_t: addition on 0; use-after-free.
>> [ 3.976043] Modules linked in: autofs4
>> [ 3.979827] CPU: 0 PID: 1 Comm: systemd Not tainted 5.14.0-rc4-next-20210802-00002-g5003e4ac441d-dirty #5
>> [ 3.989440] Hardware name: Generic DRA72X (Flattened Device Tree)
>> [ 3.995574] [<c0111098>] (unwind_backtrace) from [<c010b834>] (show_stack+0x10/0x14)
>> [ 4.003356] [<c010b834>] (show_stack) from [<c09da808>] (dump_stack_lvl+0x40/0x4c)
>> [ 4.010986] [<c09da808>] (dump_stack_lvl) from [<c0137b44>] (__warn+0xd8/0x100)
>> [ 4.018341] [<c0137b44>] (__warn) from [<c09d6368>] (warn_slowpath_fmt+0x94/0xbc)
>> [ 4.025848] [<c09d6368>] (warn_slowpath_fmt) from [<c08f68d4>] (fib_create_info+0xae8/0xbd4)
>> [ 4.034332] [<c08f68d4>] (fib_create_info) from [<c08f99c4>] (fib_table_insert+0x5c/0x604¢·†AËÕìÍ_¡
>>
>> 2) see warnings and "ip link add name br0 type bridge" just stuck
>> [ 158.032135] unregister_netdevice: waiting for lo to become free. Usage count = 3
>>
>> It might not be related to this series.
>
> 100% not me.
>
> See if you have David Ahern's bug fix, and if you do, try to see what
> other refcount conversion patches Yajun Deng did, revert them one by one
> and see if any one fixes the issue:
> https://patchwork.kernel.org/project/netdevbpf/patch/20210802160221.27263-1-dsahern@kernel.org/
>
Yep. That's it.
build ok,
CONFIG_TI_CPSW_SWITCHDEV=y
CONFIG_BRIDGE=m
basic bridge with ping - ok.
Tested-by: Grygorii Strashko <grygorii.strashko@ti.com>
--
Best regards,
grygorii
next prev parent reply other threads:[~2021-08-03 19:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-03 14:36 [PATCH net-next 0/2] Convert switchdev_bridge_port_{,un}offload to notifiers Vladimir Oltean
2021-08-03 14:36 ` [PATCH net-next 1/2] net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge Vladimir Oltean
2021-08-03 19:03 ` kernel test robot
2021-08-03 14:36 ` [PATCH net-next 2/2] Revert "net: build all switchdev drivers as modules when the bridge is a module" Vladimir Oltean
2021-08-03 17:11 ` [PATCH net-next 0/2] Convert switchdev_bridge_port_{,un}offload to notifiers Grygorii Strashko
2021-08-03 18:15 ` Vladimir Oltean
2021-08-03 19:18 ` Grygorii Strashko [this message]
2021-08-03 20:44 ` Vladimir Oltean
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d12596b2-4a2e-d567-1e52-fac7c6c3d28d@ti.com \
--to=grygorii.strashko@ti.com \
--cc=andrew@lunn.ch \
--cc=arnd@kernel.org \
--cc=bridge@lists.linux-foundation.org \
--cc=davem@davemloft.net \
--cc=f.fainelli@gmail.com \
--cc=idosch@idosch.org \
--cc=jiri@resnulli.us \
--cc=kuba@kernel.org \
--cc=netdev@vger.kernel.org \
--cc=nikolay@nvidia.com \
--cc=roopa@nvidia.com \
--cc=stephen@networkplumber.org \
--cc=vivien.didelot@gmail.com \
--cc=vladimir.oltean@nxp.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).