WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:466 dev_watchdog+0x294/0x298

[pschonmann]

Hello,
i have problem with my Raspberry Pi 2 Model B Rev 1.1
Sometimes i cant connect to them but rebooted by dad remotely is working fine.
Looked at log and at time when i noticed lost connection i see this kernel oops

Rpi is connected by ethernet and IP is configured by DHCP.

uname -a
Linux hostname 4.19.97-v7+ #1294 SMP Thu Jan 30 13:15:58 GMT 2020 armv7l GNU/Linux

dpkg -s libc6 | grep ^Version
lshVersion: 2.28-10+rpi1

May 14 08:46:26 hostname kernel: [517906.172428] ------------[ cut here ]------------
May 14 08:46:26 hostname kernel: [517906.172501] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:466 dev_watchdog+0x294/0x298
May 14 08:46:26 hostname kernel: [517906.172516] NETDEV WATCHDOG: eth0 (smsc95xx): transmit queue 0 timed out
May 14 08:46:26 hostname kernel: [517906.172528] Modules linked in: sha256_generic cfg80211 rfkill 8021q garp stp llc evdev r820t mn88473 rtl2832 i2c_mux dvb_usb_rtl28xxu dvb_usb_v2 dvb_core bcm2835_codec(C) bcm2835_v4l2(C) v4l2_mem2mem snd_bcm2835(C) bcm2835_mmal_vchiq(C) videobuf2_dma_contig v4l2_common snd_pcm videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common snd_timer raspberrypi_hwmon snd videodev hwmon media vc_sm_cma(C) uio_pdrv_genirq uio fixed nfsd ip_tables x_tables ipv6
May 14 08:46:26 hostname kernel: [517906.172695] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G C 4.19.97-v7+ #1294
May 14 08:46:26 hostname kernel: [517906.172702] Hardware name: BCM2835
May 14 08:46:26 hostname kernel: [517906.172741] [<801120c0>] (unwind_backtrace) from [<8010d5f4>] (show_stack+0x20/0x24)
May 14 08:46:26 hostname kernel: [517906.172763] [<8010d5f4>] (show_stack) from [<80845f28>] (dump_stack+0xe0/0x124)
May 14 08:46:26 hostname kernel: [517906.172786] [<80845f28>] (dump_stack) from [<80120c9c>] (__warn+0x104/0x11c)
May 14 08:46:26 hostname kernel: [517906.172806] [<80120c9c>] (__warn) from [<80120d0c>] (warn_slowpath_fmt+0x58/0x74)
May 14 08:46:26 hostname kernel: [517906.172826] [<80120d0c>] (warn_slowpath_fmt) from [<8076b894>] (dev_watchdog+0x294/0x298)
May 14 08:46:26 hostname kernel: [517906.172849] [<8076b894>] (dev_watchdog) from [<80198fd8>] (call_timer_fn+0x3c/0x198)
May 14 08:46:26 hostname kernel: [517906.172869] [<80198fd8>] (call_timer_fn) from [<80199220>] (expire_timers+0xec/0x14c)
May 14 08:46:26 hostname kernel: [517906.172887] [<80199220>] (expire_timers) from [<80199338>] (run_timer_softirq+0xb8/0x1ec)
May 14 08:46:26 hostname kernel: [517906.172908] [<80199338>] (run_timer_softirq) from [<80102410>] (__do_softirq+0x190/0x3f0)
May 14 08:46:26 hostname kernel: [517906.172929] [<80102410>] (__do_softirq) from [<80126e24>] (irq_exit+0xfc/0x120)
May 14 08:46:26 hostname kernel: [517906.172950] [<80126e24>] (irq_exit) from [<8018023c>] (__handle_domain_irq+0x70/0xc4)
May 14 08:46:26 hostname kernel: [517906.172971] [<8018023c>] (__handle_domain_irq) from [<801021b4>] (bcm2836_arm_irqchip_handle_irq+0x60/0xa4)
May 14 08:46:26 hostname kernel: [517906.172989] [<801021b4>] (bcm2836_arm_irqchip_handle_irq) from [<801019bc>] (__irq_svc+0x5c/0x7c)
May 14 08:46:26 hostname kernel: [517906.172998] Exception stack(0x80d01ee8 to 0x80d01f30)
May 14 08:46:26 hostname kernel: [517906.173013] 1ee0: 80109ae4 00000000 40000093 40000093 80d04d70 80d00000
May 14 08:46:26 hostname kernel: [517906.173028] 1f00: 80d04db8 00000001 80d8efbe babff9c0 80c64a38 80d01f44 80d0517c 80d01f38
May 14 08:46:26 hostname kernel: [517906.173039] 1f20: 00000000 80109ae8 40000013 ffffffff
May 14 08:46:26 hostname kernel: [517906.173059] [<801019bc>] (__irq_svc) from [<80109ae8>] (arch_cpu_idle+0x34/0x4c)
May 14 08:46:26 hostname kernel: [517906.173080] [<80109ae8>] (arch_cpu_idle) from [<80863014>] (default_idle_call+0x34/0x48)
May 14 08:46:26 hostname kernel: [517906.173102] [<80863014>] (default_idle_call) from [<80152e80>] (do_idle+0xec/0x16c)
May 14 08:46:26 hostname kernel: [517906.173125] [<80152e80>] (do_idle) from [<801531c0>] (cpu_startup_entry+0x28/0x2c)
May 14 08:46:26 hostname kernel: [517906.173147] [<801531c0>] (cpu_startup_entry) from [<8085c6c0>] (rest_init+0xbc/0xc0)
May 14 08:46:26 hostname kernel: [517906.173168] [<8085c6c0>] (rest_init) from [<80c00fb0>] (start_kernel+0x484/0x4b4)
May 14 08:46:26 hostname kernel: [517906.173187] ---[ end trace 80eb09e44b55639a ]---