The upstream fixed this problem, but now I'm seeing another suspicious entry in
the dmesg log:
[ 1923.628750] ------------[ cut here ]------------
[ 1923.628837] WARNING: CPU: 0 PID: 0 at
/home/kernel/COD/linux/net/mac80211/rx.c:630 ieee80211_rx_napi+0x905/0xa20
[mac80211]
[ 1923.628842] Modules linked in: rtsx_usb_ms memstick rtsx_usb_sdmmc rtsx_usb
ccm rfcomm bnep nls_iso8859_1 hid_rmi cmdlinepart rmi_core joydev
intel_spi_platform intel_spi spi_nor intel_rapl mtd x86_pkg_temp_thermal
intel_powerclamp kvm_intel dell_wmi sparse_keymap kvm irqbypass
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel arc4 pcbc dell_laptop
dell_smbios ath9k dcdbas ath9k_common dell_smm_hwmon snd_hda_codec_hdmi
snd_hda_codec_realtek aesni_intel snd_soc_rt5640 snd_hda_codec_generic
aes_x86_64 snd_soc_rl6231 crypto_simd glue_helper ath9k_hw snd_hda_intel
snd_soc_core uvcvideo snd_hda_codec cryptd ath snd_hda_core intel_cstate
videobuf2_vmalloc snd_hwdep videobuf2_memops videobuf2_v4l2 snd_compress
intel_rapl_perf ac97_bus snd_seq_midi mac80211 videobuf2_core snd_pcm_dmaengine
snd_seq_midi_event
[ 1923.628944] snd_rawmidi input_leds videodev ath3k hid_multitouch serio_raw
cfg80211 btusb snd_pcm media snd_seq btrtl btbcm btintel snd_seq_device
elan_i2c bluetooth snd_timer snd ecdh_generic soundcore mei_me shpchp lpc_ich
mei snd_soc_sst_acpi i2c_designware_platform dw_dmac snd_soc_sst_match
i2c_designware_core dw_dmac_core spi_pxa2xx_platform 8250_dw dell_rbtn mac_hid
ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt nf_conntrack_ipv6
nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG
xt_limit xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack
ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast
nf_nat_ftp nf_nat nf_conntrack_ftp coretemp nf_conntrack parport_pc libcrc32c
ppdev iptable_filter lp parport ip_tables x_tables autofs4
[ 1923.629067] usbhid i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect
sysimgblt fb_sys_fops r8169 ahci drm libahci mii wmi video sdhci_acpi sdhci
i2c_hid hid
[ 1923.629108] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W
4.12.0-041200rc2-generic #201705212331
[ 1923.629113] Hardware name: Dell Inc. Inspiron 3542/0KHNVP, BIOS A03
05/27/2014
[ 1923.629119] task: ffffffff8c2104c0 task.stack: ffffffff8c200000
[ 1923.629179] RIP: 0010:ieee80211_rx_napi+0x905/0xa20 [mac80211]
[ 1923.629185] RSP: 0018:ffff97eddfa03d18 EFLAGS: 00010246
[ 1923.629196] RAX: 0000000000010000 RBX: ffff97edd4876a00 RCX: ffff97edd03fc1a8
[ 1923.629201] RDX: 0000000000000004 RSI: ffffffffc09c8000 RDI: ffff97edcfac0780
[ 1923.629206] RBP: ffff97eddfa03de8 R08: 0000000000000000 R09: ffff97eddfda5000
[ 1923.629211] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1923.629216] R13: 0000000000000000 R14: ffff97edd12cd9b8 R15: ffff97edcfac0780
[ 1923.629223] FS: 0000000000000000(0000) GS:ffff97eddfa00000(0000)
knlGS:0000000000000000
[ 1923.629229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1923.629234] CR2: 00007ff82a858000 CR3: 00000001b6a09000 CR4: 00000000001406f0
[ 1923.629240] Call Trace:
[ 1923.629246] <IRQ>
[ 1923.629263] ? map_single+0x32/0x80
[ 1923.629272] ? __netdev_alloc_skb+0xc8/0x120
[ 1923.629284] ? ath9k_cmn_rx_skb_postprocess+0x4c/0x130 [ath9k_common]
[ 1923.629293] ? swiotlb_tbl_unmap_single+0xf4/0x120
[ 1923.629311] ath_rx_tasklet+0xacc/0xff0 [ath9k]
[ 1923.629331] ath9k_tasklet+0x1e4/0x250 [ath9k]
[ 1923.629348] tasklet_action+0x5e/0x110
[ 1923.629357] __do_softirq+0x104/0x28f
[ 1923.629368] irq_exit+0xb6/0xc0
[ 1923.629376] do_IRQ+0x4f/0xd0
[ 1923.629384] common_interrupt+0x89/0x89
[ 1923.629394] RIP: 0010:cpuidle_enter_state+0x121/0x2c0
[ 1923.629400] RSP: 0018:ffffffff8c203dd0 EFLAGS: 00000246 ORIG_RAX:
ffffffffffffff5e
[ 1923.629407] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 000000000000001f
[ 1923.629412] RDX: 000001bfe1340439 RSI: ffff97eddfa19718 RDI: 0000000000000000
[ 1923.629418] RBP: ffffffff8c203e08 R08: 0000000000000337 R09: 0000000000000018
[ 1923.629423] R10: ffffffff8c203da0 R11: 00000000000000fa R12: ffff97eddfa24900
[ 1923.629429] R13: ffffffff8c387a98 R14: 000001bfe1340439 R15: ffffffff8c387a80
[ 1923.629434] </IRQ>
[ 1923.629449] cpuidle_enter+0x17/0x20
[ 1923.629458] call_cpuidle+0x23/0x40
[ 1923.629467] do_idle+0x194/0x200
[ 1923.629476] cpu_startup_entry+0x71/0x80
[ 1923.629484] rest_init+0x77/0x80
[ 1923.629493] start_kernel+0x44b/0x46c
[ 1923.629502] ? early_idt_handler_array+0x120/0x120
[ 1923.629509] x86_64_start_reservations+0x29/0x2b
[ 1923.629517] x86_64_start_kernel+0x154/0x177
[ 1923.629527] secondary_startup_64+0x9f/0x9f
[ 1923.629534] Code: ff 48 8b 95 70 ff ff ff 4c 8b ab d8 00 00 00 4c 8b b2 d8
00 00 00 e9 8c f9 ff ff 48 89 de 4c 89 ff e8 50 1d fe ff e9 d0 f9 ff ff <0f> ff
48 89 df e8 71 2f 45 cb e9 d5 f7 ff ff 0f ff e9 c6 f7 ff
[ 1923.629657] ---[ end trace affb4b11847df853 ]---
Should I file a new bug report for this?
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: kernel-fixed-upstream
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https://bugs.launchpad.net/bugs/1693345
Title:
NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [khugepaged:38]
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