Andrey Ryabinin [off-list ref] writes:

I occasionally hit WARN_ON_ONCE(work > weight); in napi_poll() on a
laptop with ath10k card.


[37207.593370] ------------[ cut here ]------------
[37207.593380] WARNING: CPU: 0 PID: 7 at ../net/core/dev.c:5274
net_rx_action+0x258/0x360
[37207.593381] Modules linked in: snd_hda_codec_realtek snd_soc_skl
snd_hda_codec_generic snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp
snd_hda_ext_core snd_soc_sst_match snd_soc_core rtsx_pci_sdmmc
mmc_core snd_pcm_dmaengine x86_pkg_temp_thermal snd_hda_intel uvcvideo
kvm_intel videobuf2_vmalloc kvm snd_hda_codec snd_hwdep btusb
videobuf2_memops btintel snd_hda_core videobuf2_v4l2 bluetooth
irqbypass snd_pcm videobuf2_core crc32c_intel videodev mei_me mei
rtsx_pci intel_lpss_pci intel_lpss_acpi intel_vbtn intel_lpss mfd_core
tpm_tis intel_hid tpm_tis_core tpm efivarfs
[37207.593430] CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.11.7 #28
[37207.593432] Hardware name: Dell Inc. XPS 13 9360/0839Y6, BIOS 1.3.5 05/08/2017

What firmware and hardware versions exactly? The dmesg output when
ath10k loads is preferred. As you are using XPS 13 I'm guessing it's one
of QCA6174 family.

-- 
Kalle Valo