netdev - Bug Report Napi GRO ixgbe

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Message-Id: <9F81F217-6E5C-49EB-95A7-CCB1D3C3ED4F@gmail.com>
Date:   Sat, 10 Apr 2021 14:22:08 +0300
From:   Martin Zaharinov <micron10@...il.com>
To:     netdev <netdev@...r.kernel.org>
Cc:     Wei Wang <weiwan@...gle.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexander Duyck <alexanderduyck@...com>,
        Paolo Abeni <pabeni@...hat.com>,
        Hannes Frederic Sowa <hannes@...essinduktion.org>,
        Eric Dumazet <edumazet@...gle.com>, alobakin@...me
Subject: Bug Report Napi GRO ixgbe

Hi  Team

One report latest kernel 5.11.12 

Please check and help to find and fix

Apr 10 12:46:25  [214315.519319][ T3345] R13: ffff8cf193ddf700 R14: ffff8cf238ab3500 R15: ffff91ab82133d88
Apr 10 12:46:26  [214315.570814][ T3345] FS:  0000000000000000(0000) GS:ffff8cf3efb00000(0000) knlGS:0000000000000000
Apr 10 12:46:26  [214315.622416][ T3345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 10 12:46:26  [214315.648390][ T3345] CR2: 00007f7211406000 CR3: 00000001a924a004 CR4: 00000000001706e0
Apr 10 12:46:26  [214315.698998][ T3345] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Apr 10 12:46:26  [214315.749508][ T3345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Apr 10 12:46:26  [214315.799749][ T3345] Call Trace:
Apr 10 12:46:26  [214315.824268][ T3345]  netif_receive_skb_list_internal+0x5e/0x2c0
Apr 10 12:46:26  [214315.848996][ T3345]  napi_gro_flush+0x11b/0x260
Apr 10 12:46:26  [214315.873320][ T3345]  napi_complete_done+0x107/0x180
Apr 10 12:46:26  [214315.897160][ T3345]  ixgbe_poll+0x10e/0x2a0 [ixgbe]
Apr 10 12:46:26  [214315.920564][ T3345]  __napi_poll+0x1f/0x130
Apr 10 12:46:26  [214315.943475][ T3345]  napi_threaded_poll+0x110/0x160
Apr 10 12:46:26  [214315.966252][ T3345]  ? __napi_poll+0x130/0x130
Apr 10 12:46:26  [214315.988424][ T3345]  kthread+0xea/0x120
Apr 10 12:46:26  [214316.010247][ T3345]  ? kthread_park+0x80/0x80
Apr 10 12:46:26  [214316.031729][ T3345]  ret_from_fork+0x1f/0x30
Apr 10 12:46:26  [214316.052904][ T3345] ---[ end trace c7726a0541128b42 ]—

Martin