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From: "Wong, Vee Khee" <vee.khee.wong@intel.com>
To: "eric.dumazet@gmail.com" <eric.dumazet@gmail.com>
Cc: "davem@davemloft.net" <davem@davemloft.net>,
	"edumazet@google.com" <edumazet@google.com>,
	"kuba@kernel.org" <kuba@kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"syzkaller@googlegroups.com" <syzkaller@googlegroups.com>,
	"Ismail, Mohammad Athari" <mohammad.athari.ismail@intel.com>
Subject: RE: [PATCH net-next] sit: proper dev_{hold|put} in ndo_[un]init methods
Date: Wed, 31 Mar 2021 00:05:45 +0000	[thread overview]
Message-ID: <BYAPR11MB2870AD12F9EB897A6B81DC50AB7C9@BYAPR11MB2870.namprd11.prod.outlook.com> (raw)

Hi all,

This patch introduced the following massive warnings printouts on a
Intel x86 Alderlake platform with STMMAC MAC and Marvell 88E2110 PHY.

[  149.674232] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  159.930310] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  170.186205] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  180.434311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  190.682309] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  200.690176] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  210.938310] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  221.186311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  231.442311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  241.690186] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  251.698288] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  261.946311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  272.194181] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  282.442311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  292.690310] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  302.938313] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  313.186255] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  323.442329] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  333.698309] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  343.946310] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  354.202166] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  364.450190] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
[  374.706314] unregister_netdevice: waiting for sit0 to become free. Usage count = 2

Is this an expected behavior?

Thanks,
VK

             reply	other threads:[~2021-03-31  0:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-31  0:05 Wong, Vee Khee [this message]
2021-03-31  5:53 ` [PATCH net-next] sit: proper dev_{hold|put} in ndo_[un]init methods Eric Dumazet
     [not found] <BYAPR11MB2870B0910C71BDDFD328B339AB7C9@BYAPR11MB2870.namprd11.prod.outlook.com>
2021-03-31  5:58 ` Eric Dumazet
2021-03-31  8:51   ` Wong, Vee Khee
2021-03-31  9:02     ` Eric Dumazet
2021-08-16 15:13   ` Alarig Le Lay
  -- strict thread matches above, loose matches on Subject: below --
2021-03-29 19:25 Eric Dumazet
2021-03-29 23:40 ` patchwork-bot+netdevbpf

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