Public bug reported:
I keep seeing these in the syslog:
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886865] ------------[ cut here
]------------
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886888] WARNING: CPU: 0 PID: 414 at
/build/linux-NgsOGa/linux-4.2.0/net/wireless/sme.c:850
cfg80211_roamed+0x86/0xa0 [cfg80211]()
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886890] Modules linked in: acpi_ipmi
ipmi_devintf ipmi_msghandler btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs
msdos jfs xfs libcrc32c rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace arc4
md4 nls_utf8 cifs fscache nvram msr rfcomm pci_stub vboxpci(OE) vboxnetadp(OE)
vboxnetflt(OE) bnep btusb btrtl btbcm btintel bluetooth vboxdrv(OE) binfmt_misc
uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev
media snd_usb_audio snd_usbmidi_lib input_leds joydev bcm5974 applesmc
input_polldev nls_iso8859_1 snd_hda_codec_hdmi x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul
aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd
snd_hda_codec_cirrus snd_hda_codec_generic wl(POE) snd_hda_intel snd_hda_codec
cfg80211 snd_hda_core snd_seq_midi lpc_ich snd_seq_midi_event snd_hwdep bdc_pci
snd_rawmidi snd_pcm snd_seq mei_me snd_seq_device mei snd_timer snd soundcore
thunder
bolt shpchp sbs acpi_als kfifo_buf sbshc industrialio apple_gmux mac_hid
apple_bl parport_pc ppdev sunrpc lp parport autofs4 hid_logitech_hidpp
hid_logitech_dj hid_apple hid_generic usbhid hid i915 i2c_algo_bit
drm_kms_helper uas ahci drm libahci usb_storage firewire_ohci tg3 firewire_core
ptp crc_itu_t pps_core video [last unloaded: ipmi_si]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886959] CPU: 0 PID: 414 Comm:
wl_event_handle Tainted: P W OE 4.2.0-27-generic #32-Ubuntu
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886960] Hardware name: Apple Inc.
MacBookPro11,2/Mac-3CBD00234E554E41, BIOS MBP112.88Z.0138.B16.1509081314
09/08/2015
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886962] 0000000000000000
00000000586b797e ffff8804686a7da8 ffffffff817eae99
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886964] 0000000000000000
0000000000000000 ffff8804686a7de8 ffffffff8107b9c6
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886966] ffff8804680e4078
ffff88046b8ca000 ffff880206fac9c0 00000000000000a4
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886968] Call Trace:
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886973] [<ffffffff817eae99>]
dump_stack+0x45/0x57
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886977] [<ffffffff8107b9c6>]
warn_slowpath_common+0x86/0xc0
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886979] [<ffffffff8107bafa>]
warn_slowpath_null+0x1a/0x20
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886989] [<ffffffffc047a5d6>]
cfg80211_roamed+0x86/0xa0 [cfg80211]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887016] [<ffffffffc0708965>]
wl_notify_roaming_status+0xc5/0x140 [wl]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887038] [<ffffffffc0707fa4>]
wl_event_handler+0x64/0x1e0 [wl]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887059] [<ffffffffc0707f40>] ?
wl_notify_scan_status+0x320/0x320 [wl]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887062] [<ffffffff8109ae38>]
kthread+0xd8/0xf0
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887064] [<ffffffff8109ad60>] ?
kthread_create_on_node+0x1f0/0x1f0
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887066] [<ffffffff817f209f>]
ret_from_fork+0x3f/0x70
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887068] [<ffffffff8109ad60>] ?
kthread_create_on_node+0x1f0/0x1f0
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887069] ---[ end trace
3ae35abf2bc2cf7a ]---
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1551148
Title:
cfg80211 kernel module crashes
Status in systemd package in Ubuntu:
New
Bug description:
I keep seeing these in the syslog:
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886865] ------------[ cut here
]------------
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886888] WARNING: CPU: 0 PID: 414
at /build/linux-NgsOGa/linux-4.2.0/net/wireless/sme.c:850
cfg80211_roamed+0x86/0xa0 [cfg80211]()
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886890] Modules linked in:
acpi_ipmi ipmi_devintf ipmi_msghandler btrfs xor raid6_pq ufs qnx4 hfsplus hfs
minix ntfs msdos jfs xfs libcrc32c rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd
grace arc4 md4 nls_utf8 cifs fscache nvram msr rfcomm pci_stub vboxpci(OE)
vboxnetadp(OE) vboxnetflt(OE) bnep btusb btrtl btbcm btintel bluetooth
vboxdrv(OE) binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops
videobuf2_core v4l2_common videodev media snd_usb_audio snd_usbmidi_lib
input_leds joydev bcm5974 applesmc input_polldev nls_iso8859_1
snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm
crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper
ablk_helper cryptd snd_hda_codec_cirrus snd_hda_codec_generic wl(POE)
snd_hda_intel snd_hda_codec cfg80211 snd_hda_core snd_seq_midi lpc_ich
snd_seq_midi_event snd_hwdep bdc_pci snd_rawmidi snd_pcm snd_seq mei_me
snd_seq_device mei snd_timer snd soundcore thund
erbolt shpchp sbs acpi_als kfifo_buf sbshc industrialio apple_gmux mac_hid
apple_bl parport_pc ppdev sunrpc lp parport autofs4 hid_logitech_hidpp
hid_logitech_dj hid_apple hid_generic usbhid hid i915 i2c_algo_bit
drm_kms_helper uas ahci drm libahci usb_storage firewire_ohci tg3 firewire_core
ptp crc_itu_t pps_core video [last unloaded: ipmi_si]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886959] CPU: 0 PID: 414 Comm:
wl_event_handle Tainted: P W OE 4.2.0-27-generic #32-Ubuntu
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886960] Hardware name: Apple Inc.
MacBookPro11,2/Mac-3CBD00234E554E41, BIOS MBP112.88Z.0138.B16.1509081314
09/08/2015
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886962] 0000000000000000
00000000586b797e ffff8804686a7da8 ffffffff817eae99
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886964] 0000000000000000
0000000000000000 ffff8804686a7de8 ffffffff8107b9c6
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886966] ffff8804680e4078
ffff88046b8ca000 ffff880206fac9c0 00000000000000a4
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886968] Call Trace:
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886973] [<ffffffff817eae99>]
dump_stack+0x45/0x57
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886977] [<ffffffff8107b9c6>]
warn_slowpath_common+0x86/0xc0
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886979] [<ffffffff8107bafa>]
warn_slowpath_null+0x1a/0x20
Feb 29 10:52:22 hinkocmbp kernel: [1017930.886989] [<ffffffffc047a5d6>]
cfg80211_roamed+0x86/0xa0 [cfg80211]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887016] [<ffffffffc0708965>]
wl_notify_roaming_status+0xc5/0x140 [wl]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887038] [<ffffffffc0707fa4>]
wl_event_handler+0x64/0x1e0 [wl]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887059] [<ffffffffc0707f40>] ?
wl_notify_scan_status+0x320/0x320 [wl]
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887062] [<ffffffff8109ae38>]
kthread+0xd8/0xf0
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887064] [<ffffffff8109ad60>] ?
kthread_create_on_node+0x1f0/0x1f0
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887066] [<ffffffff817f209f>]
ret_from_fork+0x3f/0x70
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887068] [<ffffffff8109ad60>] ?
kthread_create_on_node+0x1f0/0x1f0
Feb 29 10:52:22 hinkocmbp kernel: [1017930.887069] ---[ end trace
3ae35abf2bc2cf7a ]---
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