Hi, TI experts
Currently, A72 crash is caused by ETH transmitting queue 0 time out. The log is as follows. Could you please provide some solutions, expert. Thank you.
[ 322.094000] ------------[ cut here ]------------
[ 322.098728] NETDEV WATCHDOG: eth0 (j721e-cpsw-virt-mac): transmit queue 0 timed out
[ 322.106482] WARNING: CPU: 1 PID: 15 at net/sched/sch_generic.c:447 dev_watchdog+0x2ec/0x2f8
[ 322.114809] Modules linked in: ipv6 iptable_filter ip_tables x_tables ti_j721e_cpsw_virt_mac ft_spinlock(O) ft_memdev(O) 8021q garp stp mrp llc cp210x usbserial cdns3_ti cdns3 roles udc_core xhci_plat_hcd xhci_hcd usbcore usb_common rpmsg_kdrv_switch rpmsg_char pvrsrvkm(O) ti_k3_dsp_remoteproc ti_k3_r5_remoteproc virtio_rpmsg_bus
[ 322.143968] CPU: 1 PID: 15 Comm: ksoftirqd/1 Tainted: G O 5.4.106-g023faefa70 #8
[ 322.152641] Hardware name: Texas Instruments K3 J721E SoC (DT)
[ 322.158456] pstate: 60000005 (nZCv daif -PAN -UAO)
[ 322.163231] pc : dev_watchdog+0x2ec/0x2f8
[ 322.167225] lr : dev_watchdog+0x2ec/0x2f8
[ 322.171218] sp : ffff80001168fc30
[ 322.174518] x29: ffff80001168fc30 x28: ffff000842a7b880
[ 322.179812] x27: 0000000000000004 x26: 0000000000000140
[ 322.185107] x25: 00000000ffffffff x24: 0000000000000001
[ 322.190400] x23: ffff00084468841c x22: ffff000844688000
[ 322.195694] x21: ffff000844688440 x20: ffff800010ff1000
[ 322.200987] x19: 0000000000000000 x18: 0000000000000010
[ 322.206280] x17: 0000000000000000 x16: 0000000000000000
[ 322.211574] x15: ffff00084017d728 x14: 2064656d69742030
[ 322.216868] x13: 2065756575712074 x12: 696d736e61727420
[ 322.222161] x11: 3a2963616d2d7472 x10: 69762d777370632d
[ 322.227454] x9 : 653132376a282030 x8 : ffff8000110c7000
[ 322.232748] x7 : ffff800010594218 x6 : 000000000000027f
[ 322.238040] x5 : 0000000000000000 x4 : 0000000000000000
[ 322.243334] x3 : 00000000ffffffff x2 : ffff80001100a750
[ 322.248628] x1 : f6994484532e8300 x0 : 0000000000000000
[ 322.253923] Call trace:
[ 322.256358] dev_watchdog+0x2ec/0x2f8
[ 322.260009] call_timer_fn.isra.0+0x20/0x78
[ 322.264176] run_timer_softirq+0x1a0/0x408
[ 322.268258] __do_softirq+0x120/0x25c
[ 322.271906] run_ksoftirqd+0x3c/0x50
[ 322.275470] smpboot_thread_fn+0x1e4/0x2a8
[ 322.279550] kthread+0x138/0x158
[ 322.282763] ret_from_fork+0x10/0x1c
[ 322.286324] ---[ end trace 0f68b38eb1f21dee ]---
[ 322.291124] j721e-cpsw-virt-mac main_r5fss_cpsw9g_virt_mac0 eth0: txq:0 DRV_XOFF:0 tmo:10192 dql_avail:-60 free_desc:378
[ 325.622627] sh (7075): drop_caches: 3
[ 327.981733] j721e-cpsw-virt-mac main_r5fss_cpsw9g_virt_mac0 eth0: txq:0 DRV_XOFF:0 tmo:15884 dql_avail:-60 free_desc:378
[ 332.401457] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 332.407199] rcu: 0-....: (1 GPs behind) idle=796/1/0x4000000000000002 softirq=442370/442371 fqs=2461
[ 332.416482] (t=5252 jiffies g=189421 q=2030649)
[ 332.421084] Task dump for CPU 0:
[ 332.424297] DCA_SADCSPROC_0 R running task 0 4835 1 0x00000002
[ 332.431327] Call trace:
[ 332.433768] dump_backtrace+0x0/0x140
[ 332.437417] show_stack+0x14/0x20
[ 332.440718] sched_show_task+0x108/0x138
[ 332.444627] dump_cpu_task+0x40/0x4c
[ 332.448187] rcu_dump_cpu_stacks+0x94/0xd0
[ 332.452270] rcu_sched_clock_irq+0x75c/0x9c8
[ 332.456524] update_process_times+0x2c/0x68
[ 332.460694] tick_sched_handle.isra.0+0x30/0x48
[ 332.465209] tick_sched_timer+0x48/0x98
[ 332.469029] __hrtimer_run_queues+0x110/0x1b0
[ 332.473369] hrtimer_interrupt+0xe4/0x238
[ 332.477365] arch_timer_handler_phys+0x30/0x40
[ 332.481794] handle_percpu_devid_irq+0x80/0x140
[ 332.486308] generic_handle_irq+0x24/0x38
[ 332.490303] __handle_domain_irq+0x60/0xb8
[ 332.494385] gic_handle_irq+0x5c/0x148
[ 332.498118] el0_irq_naked+0x4c/0x54
[ 333.101949] j721e-cpsw-virt-mac main_r5fss_cpsw9g_virt_mac0 eth0: txq:0 DRV_XOFF:0 tmo:21004 dql_avail:-60 free_desc:378
Best Regards
TI's customer
