/net/wireless/sme.c:891 crash

Asked by markus

May 29 12:55:05 node3 kernel: [ 313.339188] WARNING: CPU: 1 PID: 537 at /build/linux-lz1RHE/linux-4.10.0/net/wireless/sme.c:891 cfg80211_roamed+0x8a/0xa0 [cfg80211]
May 29 12:55:05 node3 kernel: [ 313.339189] Modules linked in: rfcomm bnep crypto_simd glue_helper aes_x86_64 dm_crypt rtsx_usb_ms btusb memstick btrtl btbcm btintel uvcvideo bluetooth intel_rapl x86_pkg_temp_thermal intel_powerclamp videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 coretemp videobuf2_core videodev media kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel cryptd intel_cstate intel_rapl_perf wl(POE) snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic joydev snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep input_leds snd_pcm serio_raw snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd lpc_ich ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 cfg80211 shpchp xt_hl soundcore ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 mei_me mei nf_log_ipv4 nf_log_common
May 29 12:55:05 node3 kernel: [ 313.339229] ideapad_laptop sparse_keymap wmi xt_LOG xt_limit xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack mac_hid ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat libcrc32c nf_conntrack_ftp nf_conntrack iptable_filter parport_pc ppdev lp parport ip_tables x_tables autofs4 rtsx_usb_sdmmc rtsx_usb psmouse ahci libahci i915 alx mdio i2c_algo_bit video drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm fjes
May 29 12:55:05 node3 kernel: [ 313.339257] CPU: 1 PID: 537 Comm: wl_event_handle Tainted: P W OE 4.10.0-21-generic #23-Ubuntu
May 29 12:55:05 node3 kernel: [ 313.339258] Hardware name: LENOVO 20236/INVALID, BIOS 78CN25WW(V2.03) 11/19/2013
May 29 12:55:05 node3 kernel: [ 313.339259] Call Trace:
May 29 12:55:05 node3 kernel: [ 313.339265] dump_stack+0x63/0x81
May 29 12:55:05 node3 kernel: [ 313.339268] __warn+0xcb/0xf0
May 29 12:55:05 node3 kernel: [ 313.339270] warn_slowpath_null+0x1d/0x20
May 29 12:55:05 node3 kernel: [ 313.339287] cfg80211_roamed+0x8a/0xa0 [cfg80211]
May 29 12:55:05 node3 kernel: [ 313.339335] wl_notify_roaming_status+0xc5/0x140 [wl]
May 29 12:55:05 node3 kernel: [ 313.339377] wl_event_handler+0x7c/0x200 [wl]
May 29 12:55:05 node3 kernel: [ 313.339380] kthread+0x101/0x140
May 29 12:55:05 node3 kernel: [ 313.339420] ? wl_notify_scan_status+0x330/0x330 [wl]
May 29 12:55:05 node3 kernel: [ 313.339423] ? kthread_create_on_node+0x60/0x60
May 29 12:55:05 node3 kernel: [ 313.339426] ret_from_fork+0x2c/0x40
May 29 12:55:05 node3 kernel: [ 313.339446] ---[ end trace a6cdcd29ba152ad3 ]---
May 29 12:55:18 node3 kernel: [ 325.919270] ------------[ cut here ]------------

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actionparsnip (andrew-woodhead666) said :
#1

I suggest you test your RAM as a good starting point. Ubuntu comes with Memtest86+ which is accessible from GRUB

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markus (markus-n3) said :
#2

memtest came back clean, no errors there. Any other suggestions?

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Manfred Hampl (m-hampl) said :
#3

For diagnostic purposes please provide the output of https://help.ubuntu.com/community/WirelessTroubleshootingProcedure

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Jeremy (wa113y3s) said :
#4

I would suggest filing a bug report against package bcmwl-kernel-source as this happens quite often

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Launchpad Janitor (janitor) said :
#5

This question was expired because it remained in the 'Needs information' state without activity for the last 15 days.