transmit queue 0 timed out

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transmit queue 0 timed out

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parth_shah
Contributor III

Hello,

I have been using Linux 5.4.70_2.3.0 version.

When I am doing a ping between 2 custom hardware, I am getting below crash, later on it does TX Ring dump.

root:~# ping 192.168.0.2
PING 192.168.0.2 (192.168.0.2): 56 data bytes
64 bytes from 192.168.0.2: seq=1 ttl=64 time=1007.596 ms
64 bytes from 192.168.0.2: seq=2 ttl=64 time=7.168 ms
64 bytes from 192.168.0.2: seq=3 ttl=64 time=2.975 ms
64 bytes from 192.168.0.2: seq=4 ttl=64 time=3.035 ms
[ 137.124628] ------------[ cut here ]------------
[ 137.129443] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:454 dev_watchdog+0x270/0x274
[ 137.137756] NETDEV WATCHDOG: eth0.100 (fec): transmit queue 0 timed out
[ 137.144399] Modules linked in:
[ 137.147517] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.70+gbd4d925136bc #1
[ 137.154680] Hardware name: Freescale i.MX6 SoloX (Device Tree)
[ 137.160610] [<801107f8>] (unwind_backtrace) from [<8010b6ec>] (show_stack+0x10/0x14)
[ 137.168420] [<8010b6ec>] (show_stack) from [<80c5d26c>] (dump_stack+0x90/0xa4)
[ 137.175706] [<80c5d26c>] (dump_stack) from [<8012cc94>] (__warn+0xbc/0xd8)
[ 137.182634] [<8012cc94>] (__warn) from [<8012cd48>] (warn_slowpath_fmt+0x98/0xc4)
[ 137.190172] [<8012cd48>] (warn_slowpath_fmt) from [<80a964d8>] (dev_watchdog+0x270/0x274)
[ 137.198432] [<80a964d8>] (dev_watchdog) from [<8018d698>] (call_timer_fn.constprop.0+0x24/0x98)
[ 137.207196] [<8018d698>] (call_timer_fn.constprop.0) from [<8018dd30>] (run_timer_softirq+0x3e0/0x3f8)
[ 137.216565] [<8018dd30>] (run_timer_softirq) from [<801022ac>] (__do_softirq+0x104/0x278)
[ 137.224803] [<801022ac>] (__do_softirq) from [<80131d94>] (irq_exit+0xb0/0xd8)
[ 137.232093] [<80131d94>] (irq_exit) from [<80174d44>] (__handle_domain_irq+0x60/0xb0)
[ 137.239990] [<80174d44>] (__handle_domain_irq) from [<804cd6bc>] (gic_handle_irq+0x4c/0x90)
[ 137.248396] [<804cd6bc>] (gic_handle_irq) from [<80101a8c>] (__irq_svc+0x6c/0xa8)
[ 137.255906] Exception stack(0x81301f40 to 0x81301f88)
[ 137.261007] 1f40: 00000000 0000bd34 9f9b26b4 80119a20 81300000 00000000 81304f68 81304fa4
[ 137.269229] 1f60: 00000001 81267a40 9feff940 00000000 00000001 81301f90 80108904 80108908
[ 137.277433] 1f80: 600e0013 ffffffff
[ 137.280988] [<80101a8c>] (__irq_svc) from [<80108908>] (arch_cpu_idle+0x38/0x3c)
[ 137.288452] [<80108908>] (arch_cpu_idle) from [<80157584>] (do_idle+0xc8/0x150)
[ 137.295819] [<80157584>] (do_idle) from [<801578f0>] (cpu_startup_entry+0x18/0x1c)
[ 137.303463] [<801578f0>] (cpu_startup_entry) from [<81200dac>] (start_kernel+0x45c/0x490)
[ 137.311740] ---[ end trace 179132dcc3032a19 ]---
[ 137.316429] fec 2188000.ethernet eth0.100: TX ring dump
[ 137.321687] Nr SC addr len SKB
[ 137.326093] 0 0x1c00 0x86e82802 336 343a1c3f
[ 137.330927] 1 0x1c00 0x86e82002 348 b4569136
[ 137.335758] 2 0x1c00 0x877e2802 96 db7e31d8
[ 137.340590] 3 0x1c00 0x877e1002 96 ba18b7cb
[ 137.345420] 4 0x1c00 0x86e82402 336 ef730291
[ 137.350251] 5 0x1c00 0x8776f802 96 77e8e61d
[ 137.355081] 6 0x1c00 0x86cffe02 92 fa48c03d
[ 137.359910] 7 0x1c00 0x877e0802 96 e23c2617
[ 137.364738] 8 0x1c00 0x8676d002 336 b3470e9e
[ 137.369568] 9 0x1c00 0x866c0002 96 ff30244f
[ 137.374397] 10 0x1c00 0x878b8002 96 91fec0a6
[ 137.379226] 11 0x1c00 0x86ce2a02 92 36812b75
[ 137.384053] 12 0x1c00 0x86f44e02 92 a5bc3cd1
[ 137.388880] 13 0x1c00 0x86e04c02 336 276b88fb
[ 137.393794] 14 0x1c00 0x8205c802 96 74d614fc
[ 137.398633] 15 0x1c00 0x8205e002 96 396eb5b9
[ 137.403463] 16 0x1c00 0x86f43e02 92 8149e490
[ 137.408293] 17 0x1c00 0x8205f802 96 a5a8393c
[ 137.413122] 18 0x1c00 0x82070002 96 7b5ad6e7
[ 137.417950] 19 0x1c00 0x82070802 96 f826ef24
[ 137.422779] 20 0x1c00 0x82071002 96 d8bc01b0
[ 137.427607] 21 0x1c00 0x86c8500a 104 7e9ebcef
[ 137.432436] 22 0x1c00 0x82071802 96 9c0ebdc9
[ 137.437264] 23 0x1c00 0x86da4c0a 104 f76b2711
[ 137.442094] 24 0x1c00 0x82072002 96 42e30090
[ 137.446922] 25 0x1c00 0x82072802 96 e4319223
[ 137.451750] 26 0x1c00 0x82073002 96 625141c1
[ 137.456578] 27 0x1c00 0x82073802 116 8cda1157
[ 137.461406] 28 0x1c00 0x86ae7202 92 b307e338
[ 137.466233] 29 0x1c00 0x82098002 96 0b2adbca
[ 137.471061] 30 0x1c00 0x86da520a 104 7d0faf82
[ 137.475914] 31 0x1c00 0x86da560a 104 7eb6c2de
[ 137.480744] 32 0x1c00 0x86da540a 76 90b4359e
[ 137.485572] 33 0x1c00 0x82098802 96 cbb08733
[ 137.490402] 34 0x1c00 0x86e05802 336 9009bbf9
[ 137.495231] 35 0x1c00 0x86da5e0a 104 1ef782ef
[ 137.500058] 36 0x1c00 0x86f4020a 104 d5f96e74

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