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[2003:ea:8bf1:e200:cd26:6dfa:b5c4:31f1]) by smtp.googlemail.com with ESMTPSA id b197sm27368339wmd.23.2019.02.17.07.34.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 17 Feb 2019 07:34:39 -0800 (PST) To: Andrew Lunn , Florian Fainelli , Russell King - ARM Linux Cc: "netdev@vger.kernel.org" From: Heiner Kallweit Subject: No traffic with Marvell switch and latest linux-next Message-ID: <0907f213-df83-4bb8-8fad-21b1dedaeca5@gmail.com> Date: Sun, 17 Feb 2019 16:34:32 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org When testing latest linux-next on the ZII DTU I face the issue that no traffic is flowing over the switch ports, even though in dmesg everything looks good. Also PHY properly establishes the link. With 4.20.10 I don't have the issue and with 5.0-rc6 also not. However on 5.0-rc6 I got the following, also number of network interrupts seems to be very high (few minutes after boot). Any idea what's going on? Andrew, IIRC you recently fixed some interrupt-related issue: 7ae710f9f8b2 ("gpio: vf610: Mask all GPIO interrupts") But the description doesn't seem to match this trace. irq 56: nobody cared (try booting with the "irqpoll" option) CPU: 0 PID: 577 Comm: irq/38-400d1000 Not tainted 5.0.0-rc6 #1 Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree) [<8010c898>] (unwind_backtrace) from [<8010ad98>] (show_stack+0x10/0x14) [<8010ad98>] (show_stack) from [<80149660>] (__report_bad_irq+0x38/0xb0) [<80149660>] (__report_bad_irq) from [<80149478>] (note_interrupt+0x10c/0x294) [<80149478>] (note_interrupt) from [<80149cac>] (handle_nested_irq+0xd8/0xf4) [<80149cac>] (handle_nested_irq) from [<80384a64>] (mv88e6xxx_g2_irq_thread_fn+0x90/0xc0) [<80384a64>] (mv88e6xxx_g2_irq_thread_fn) from [<80149c60>] (handle_nested_irq+0x8c/0xf4) [<80149c60>] (handle_nested_irq) from [<8037ccd0>] (mv88e6xxx_g1_irq_thread_work+0x98/0xcc) [<8037ccd0>] (mv88e6xxx_g1_irq_thread_work) from [<80147ff4>] (irq_thread_fn+0x1c/0x78) [<80147ff4>] (irq_thread_fn) from [<80148280>] (irq_thread+0x124/0x1cc) [<80148280>] (irq_thread) from [<8012f8e8>] (kthread+0x140/0x148) [<8012f8e8>] (kthread) from [<801010e8>] (ret_from_fork+0x14/0x2c) Exception stack(0x9f6c7fb0 to 0x9f6c7ff8) 7fa0: 00000000 00000000 00000000 00000000 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 handlers: [] irq_default_primary_handler threaded [<44d6803f>] phy_interrupt Disabling IRQ #56 36: 2030566 mscm-ir 79 Edge 400d1000.ethernet 38: 1010437 gpio-vf610 2 Level 400d1000.ethernet-1:00 42: 0 mv88e6xxx-g1 3 Edge mv88e6xxx-g1-atu-prob 44: 0 mv88e6xxx-g1 5 Edge mv88e6xxx-g1-vtu-prob 46: 1010435 mv88e6xxx-g1 7 Edge mv88e6xxx-g2 49: 0 mv88e6xxx-g2 1 Edge mv88e6xxx-1:01 53: 0 mv88e6xxx-g2 5 Edge mv88e6xxx-1:05 54: 0 mv88e6xxx-g2 6 Edge mv88e6xxx-1:06 56: 100000 mv88e6xxx-g2 8 Edge mv88e6xxx-1:08 63: 0 mv88e6xxx-g2 15 Edge mv88e6xxx-watchdog Heiner