From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Kalle Valo <kvalo@qca.qualcomm.com>,
ath10k@lists.infradead.org,
linux-wireless <linux-wireless@vger.kernel.org>,
Networking <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: WARN_ON_ONCE(work > weight) in napi_poll()
Date: Fri, 30 Jun 2017 19:34:44 +0300 [thread overview]
Message-ID: <26670dce-4dd2-f8e4-0e14-90d74257e739@virtuozzo.com> (raw)
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
[37207.593433] Call Trace:
[37207.593442] dump_stack+0x68/0x96
[37207.593447] __warn+0xcb/0xf0
[37207.593450] warn_slowpath_null+0x1d/0x20
[37207.593452] net_rx_action+0x258/0x360
[37207.593459] __do_softirq+0x12f/0x2f6
[37207.593463] run_ksoftirqd+0x1f/0x40
[37207.593468] smpboot_thread_fn+0x10a/0x160
[37207.593471] kthread+0x108/0x140
[37207.593474] ? sort_range+0x30/0x30
[37207.593477] ? kthread_create_on_node+0x40/0x40
[37207.593480] ret_from_fork+0x2e/0x40
[37207.593483] ---[ end trace 5e4e25ee6369e3eb ]---
next reply other threads:[~2017-06-30 16:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-30 16:34 Andrey Ryabinin [this message]
2017-07-04 13:49 ` WARN_ON_ONCE(work > weight) in napi_poll() Kalle Valo
2017-07-04 15:59 ` Andrey Ryabinin
2017-07-10 21:24 ` Ryan Hsu
2017-07-11 17:28 ` Andrey Ryabinin
2017-07-12 1:19 ` Igor Mitsyanko
2017-07-18 6:47 ` Ryan Hsu
2017-07-24 9:30 ` Andrey Ryabinin
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