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[Bug 1457884] Re: Can't boot with kernel 3.19

 

bcmwl-kernel-source:
  Installed: 6.30.223.248+bdcom-0ubuntu3
  Candidate: 6.30.223.248+bdcom-0ubuntu3
  Version table:
 *** 6.30.223.248+bdcom-0ubuntu3 0
        100 /var/lib/dpkg/status
     6.30.223.248+bdcom-0ubuntu2 0
        500 http://ch.archive.ubuntu.com/ubuntu/ vivid/restricted amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu/ vivid/restricted amd64 Packages


04:00.0 Network controller [0280]: Broadcom Corporation BCM4360 802.11ac Wireless Network Adapter [14e4:43a0] (rev 03)
	Subsystem: ASUSTeK Computer Inc. Device [1043:85df]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at fbbf8000 (64-bit, non-prefetchable) [size=32K]
	Region 2: Memory at fb800000 (64-bit, non-prefetchable) [size=2M]
	Capabilities: [48] Power Management version 3
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)


[   31.310188] ------------[ cut here ]------------
[   31.310211] WARNING: CPU: 2 PID: 225 at /build/buildd/linux-3.19.0/net/wireless/reg.c:422 restore_regulatory_settings+0x9a/0x410 [cfg80211]()
[   31.310213] Unexpected user alpha2: #A
[   31.310214] Modules linked in: xt_recent nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack nf_log_ipv4 nf_log_common xt_LOG xt_tcpudp xt_limit ipt_REJECT nf_reject_ipv4 iptable_filter ip_tables x_tables nvidia(POE) snd_hda_codec_hdmi snd_hda_codec_realtek drm snd_hda_codec_generic mxm_wmi snd_hda_intel snd_hda_controller cuse snd_hda_codec snd_hwdep snd_pcm parport_pc ppdev snd_seq_midi it87 snd_seq_midi_event hwmon_vid snd_rawmidi coretemp snd_seq snd_seq_device snd_timer serio_raw snd mac_hid i7core_edac wmi kvm_intel lp shpchp kvm edac_core soundcore parport binfmt_misc xfs libcrc32c pata_acpi hid_generic usbhid hid wl(POE) cfg80211 psmouse pata_jmicron ahci libahci
[   31.310239] CPU: 2 PID: 225 Comm: kworker/u32:15 Tainted: P           OE  3.19.0-16-generic #16-Ubuntu
[   31.310240] Hardware name: Gigabyte Technology Co., Ltd. X58A-UD3R/X58A-UD3R, BIOS F8b 10/07/2011
[   31.310249] Workqueue: events_power_efficient reg_timeout_work [cfg80211]
[   31.310250]  ffffffffc01eb360 ffff88030b02fcf8 ffffffff817c2235 0000000000000007
[   31.310252]  ffff88030b02fd48 ffff88030b02fd38 ffffffff8107595a ffff88030b02fd28
[   31.310254]  0000000000000023 ffff88030b02fdb8 ffff880313091c00 0000000000000001
[   31.310256] Call Trace:
[   31.310262]  [<ffffffff817c2235>] dump_stack+0x45/0x57
[   31.310265]  [<ffffffff8107595a>] warn_slowpath_common+0x8a/0xc0
[   31.310266]  [<ffffffff810759d6>] warn_slowpath_fmt+0x46/0x50
[   31.310275]  [<ffffffffc01a3be5>] ? reg_free_last_request+0x25/0x30 [cfg80211]
[   31.310282]  [<ffffffffc01a5f4a>] restore_regulatory_settings+0x9a/0x410 [cfg80211]
[   31.310290]  [<ffffffffc01a62d8>] reg_timeout_work+0x18/0x20 [cfg80211]
[   31.310293]  [<ffffffff8108eb78>] process_one_work+0x158/0x430
[   31.310295]  [<ffffffff8108f6bb>] worker_thread+0x5b/0x530
[   31.310297]  [<ffffffff8108f660>] ? rescuer_thread+0x3a0/0x3a0
[   31.310299]  [<ffffffff81094759>] kthread+0xc9/0xe0
[   31.310301]  [<ffffffff81094690>] ? kthread_create_on_node+0x1c0/0x1c0
[   31.310305]  [<ffffffff817c9298>] ret_from_fork+0x58/0x90
[   31.310307]  [<ffffffff81094690>] ? kthread_create_on_node+0x1c0/0x1c0
[   31.310308] ---[ end trace 52673ae20be92f4f ]---
[   31.310315] cfg80211: Calling CRDA for country: #A
[   32.165580] ------------[ cut here ]------------


May 25 23:15:10 Jupiter kernel: [212734.324346] ------------[ cut here ]------------
May 25 23:15:10 Jupiter kernel: [212734.324370] WARNING: CPU: 2 PID: 199 at /build/buildd/linux-3.16.0/net/wireless/sme.c:791 cfg80211_roamed+0x91/0xa0 [cfg80211]()
May 25 23:15:10 Jupiter kernel: [212734.324371] Modules linked in: cpuid nls_utf8 btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xt_multiport binfmt_misc zram lz4_compress xt_recent nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack xt_LOG xt_tcpudp xt_limit ipt_REJECT iptable_filter ip_tables x_tables snd_hda_codec_hdmi nvidia(POE) snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec mxm_wmi drm snd_hwdep snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_pcm snd_timer serio_raw snd soundcore kvm_intel kvm shpchp wmi i7core_edac edac_core mac_hid cuse it87 hwmon_vid coretemp parport_pc ppdev lp parport autofs4 xfs libcrc32c pata_acpi hid_generic usbhid hid wl(POE) cfg80211 psmouse pata_jmicron ahci libahci
May 25 23:15:10 Jupiter kernel: [212734.324400] CPU: 2 PID: 199 Comm: wl_event_handle Tainted: P        W  OE 3.16.0-37-generic #51-Ubuntu
May 25 23:15:10 Jupiter kernel: [212734.324401] Hardware name: Gigabyte Technology Co., Ltd. X58A-UD3R/X58A-UD3R, BIOS F8b 10/07/2011
May 25 23:15:10 Jupiter kernel: [212734.324403]  0000000000000009 ffff880309b6fdd0 ffffffff81784a0e 0000000000000000
May 25 23:15:10 Jupiter kernel: [212734.324405]  ffff880309b6fe08 ffffffff8106fefd ffff88030e1bd000 ffff88012a1a4480
May 25 23:15:10 Jupiter kernel: [212734.324406]  00000000000000ac ffff88012a1a5080 ffff88030e1b8a78 ffff880309b6fe18
May 25 23:15:10 Jupiter kernel: [212734.324408] Call Trace:
May 25 23:15:10 Jupiter kernel: [212734.324412]  [<ffffffff81784a0e>] dump_stack+0x45/0x56
May 25 23:15:10 Jupiter kernel: [212734.324416]  [<ffffffff8106fefd>] warn_slowpath_common+0x7d/0xa0
May 25 23:15:10 Jupiter kernel: [212734.324418]  [<ffffffff8106ffda>] warn_slowpath_null+0x1a/0x20
May 25 23:15:10 Jupiter kernel: [212734.324428]  [<ffffffffc03c8971>] cfg80211_roamed+0x91/0xa0 [cfg80211]
May 25 23:15:10 Jupiter kernel: [212734.324455]  [<ffffffffc05da8cb>] wl_notify_roaming_status+0xcb/0x150 [wl]
May 25 23:15:10 Jupiter kernel: [212734.324480]  [<ffffffffc05d7602>] wl_event_handler+0x62/0x260 [wl]
May 25 23:15:10 Jupiter kernel: [212734.324505]  [<ffffffffc05d75a0>] ? wl_free_wdev.isra.23+0x80/0x80 [wl]
May 25 23:15:10 Jupiter kernel: [212734.324507]  [<ffffffff81094d7b>] kthread+0xdb/0x100
May 25 23:15:10 Jupiter kernel: [212734.324510]  [<ffffffff81094ca0>] ? kthread_create_on_node+0x1c0/0x1c0
May 25 23:15:10 Jupiter kernel: [212734.324512]  [<ffffffff8178c958>] ret_from_fork+0x58/0x90
May 25 23:15:10 Jupiter kernel: [212734.324514]  [<ffffffff81094ca0>] ? kthread_create_on_node+0x1c0/0x1c0
May 25 23:15:10 Jupiter kernel: [212734.324516] ---[ end trace 6c2e7485058b067c ]---


ay 25 23:19:38 Jupiter kernel: [   15.817668] ------------[ cut here ]------------
May 25 23:19:38 Jupiter kernel: [   15.817695] WARNING: CPU: 1 PID: 235 at /build/buildd/linux-3.16.0/net/wireless/reg.c:411 restore_regulatory_settings+0x9a/0x410 [cfg80211]()
May 25 23:19:38 Jupiter kernel: [   15.817698] Unexpected user alpha2: #A
May 25 23:19:38 Jupiter kernel: [   15.817700] Modules linked in: nvidia(POE) snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel mxm_wmi snd_hda_controller snd_hda_codec drm snd_seq_midi kvm_intel snd_hwdep snd_seq_midi_event snd_pcm snd_rawmidi kvm snd_seq snd_seq_device snd_timer wmi serio_raw snd shpchp soundcore i7core_edac edac_core mac_hid cuse it87 hwmon_vid coretemp parport_pc ppdev lp parport autofs4 xfs libcrc32c pata_acpi hid_generic usbhid hid wl(POE) psmouse cfg80211 ahci pata_jmicron libahci
May 25 23:19:38 Jupiter kernel: [   15.817733] CPU: 1 PID: 235 Comm: kworker/u32:14 Tainted: P           OE 3.16.0-37-generic #51-Ubuntu
May 25 23:19:38 Jupiter kernel: [   15.817735] Hardware name: Gigabyte Technology Co., Ltd. X58A-UD3R/X58A-UD3R, BIOS F8b 10/07/2011
May 25 23:19:38 Jupiter kernel: [   15.817748] Workqueue: events_power_efficient reg_timeout_work [cfg80211]
May 25 23:19:38 Jupiter kernel: [   15.817751]  0000000000000009 ffff880308697d20 ffffffff81784a0e ffff880308697d68
May 25 23:19:38 Jupiter kernel: [   15.817754]  ffff880308697d58 ffffffff8106fefd 0000000000000023 ffff880308697dd0
May 25 23:19:38 Jupiter kernel: [   15.817757]  ffff880313011800 0000000000000001 0000000000000400 ffff880308697db8
May 25 23:19:38 Jupiter kernel: [   15.817760] Call Trace:
May 25 23:19:38 Jupiter kernel: [   15.817766]  [<ffffffff81784a0e>] dump_stack+0x45/0x56
May 25 23:19:38 Jupiter kernel: [   15.817772]  [<ffffffff8106fefd>] warn_slowpath_common+0x7d/0xa0
May 25 23:19:38 Jupiter kernel: [   15.817775]  [<ffffffff8106ff6c>] warn_slowpath_fmt+0x4c/0x50
May 25 23:19:38 Jupiter kernel: [   15.817789]  [<ffffffffc03f69e5>] ? reg_free_last_request+0x25/0x30 [cfg80211]
May 25 23:19:38 Jupiter kernel: [   15.817799]  [<ffffffffc03f881a>] restore_regulatory_settings+0x9a/0x410 [cfg80211]
May 25 23:19:38 Jupiter kernel: [   15.817806]  [<ffffffffc03f8ba8>] reg_timeout_work+0x18/0x20 [cfg80211]
May 25 23:19:38 Jupiter kernel: [   15.817809]  [<ffffffff8108d142>] process_one_work+0x182/0x4e0
May 25 23:19:38 Jupiter kernel: [   15.817811]  [<ffffffff8108dedb>] worker_thread+0x6b/0x660
May 25 23:19:38 Jupiter kernel: [   15.817813]  [<ffffffff8108de70>] ? flush_delayed_work+0x50/0x50
May 25 23:19:38 Jupiter kernel: [   15.817815]  [<ffffffff81094d7b>] kthread+0xdb/0x100
May 25 23:19:38 Jupiter kernel: [   15.817817]  [<ffffffff81094ca0>] ? kthread_create_on_node+0x1c0/0x1c0
May 25 23:19:38 Jupiter kernel: [   15.817820]  [<ffffffff8178c958>] ret_from_fork+0x58/0x90
May 25 23:19:38 Jupiter kernel: [   15.817823]  [<ffffffff81094ca0>] ? kthread_create_on_node+0x1c0/0x1c0
May 25 23:19:38 Jupiter kernel: [   15.817824] ---[ end trace a83f4e44aafd567e ]---


May 25 23:33:04 Jupiter kernel: [   17.488002] ------------[ cut here ]------------
May 25 23:33:04 Jupiter kernel: [   17.488021] WARNING: CPU: 3 PID: 242 at /build/buildd/linux-3.16.0/net/wireless/reg.c:411 restore_regulatory_settings+0x9a/0x410 [cfg80211]()
May 25 23:33:04 Jupiter kernel: [   17.488022] Unexpected user alpha2: #A
May 25 23:33:04 Jupiter kernel: [   17.488024] Modules linked in: snd_hda_codec_hdmi nvidia(POE) drm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer mxm_wmi serio_raw shpchp snd soundcore kvm_intel kvm wmi i7core_edac edac_core mac_hid cuse it87 hwmon_vid coretemp parport_pc ppdev lp parport autofs4 xfs libcrc32c pata_acpi hid_generic usbhid hid wl(POE) cfg80211 psmouse ahci pata_jmicron libahci
May 25 23:33:04 Jupiter kernel: [   17.488043] CPU: 3 PID: 242 Comm: kworker/u32:16 Tainted: P           OE 3.16.0-37-generic #51-Ubuntu
May 25 23:33:04 Jupiter kernel: [   17.488045] Hardware name: Gigabyte Technology Co., Ltd. X58A-UD3R/X58A-UD3R, BIOS F8b 10/07/2011
May 25 23:33:04 Jupiter kernel: [   17.488053] Workqueue: events_power_efficient reg_timeout_work [cfg80211]
May 25 23:33:04 Jupiter kernel: [   17.488054]  0000000000000009 ffff8803086ffd20 ffffffff81784a0e ffff8803086ffd68
May 25 23:33:04 Jupiter kernel: [   17.488056]  ffff8803086ffd58 ffffffff8106fefd 0000000000000023 ffff8803086ffdd0
May 25 23:33:04 Jupiter kernel: [   17.488058]  ffff880313011800 0000000000000001 0000000000000400 ffff8803086ffdb8
May 25 23:33:04 Jupiter kernel: [   17.488060] Call Trace:
May 25 23:33:04 Jupiter kernel: [   17.488064]  [<ffffffff81784a0e>] dump_stack+0x45/0x56
May 25 23:33:04 Jupiter kernel: [   17.488067]  [<ffffffff8106fefd>] warn_slowpath_common+0x7d/0xa0
May 25 23:33:04 Jupiter kernel: [   17.488069]  [<ffffffff8106ff6c>] warn_slowpath_fmt+0x4c/0x50
May 25 23:33:04 Jupiter kernel: [   17.488077]  [<ffffffffc00bc9e5>] ? reg_free_last_request+0x25/0x30 [cfg80211]
May 25 23:33:04 Jupiter kernel: [   17.488084]  [<ffffffffc00be81a>] restore_regulatory_settings+0x9a/0x410 [cfg80211]
May 25 23:33:04 Jupiter kernel: [   17.488092]  [<ffffffffc00beba8>] reg_timeout_work+0x18/0x20 [cfg80211]
May 25 23:33:04 Jupiter kernel: [   17.488095]  [<ffffffff8108d142>] process_one_work+0x182/0x4e0
May 25 23:33:04 Jupiter kernel: [   17.488097]  [<ffffffff8108dedb>] worker_thread+0x6b/0x660
May 25 23:33:04 Jupiter kernel: [   17.488099]  [<ffffffff8108de70>] ? flush_delayed_work+0x50/0x50
May 25 23:33:04 Jupiter kernel: [   17.488101]  [<ffffffff81094d7b>] kthread+0xdb/0x100
May 25 23:33:04 Jupiter kernel: [   17.488104]  [<ffffffff81094ca0>] ? kthread_create_on_node+0x1c0/0x1c0
May 25 23:33:04 Jupiter kernel: [   17.488107]  [<ffffffff8178c958>] ret_from_fork+0x58/0x90
May 25 23:33:04 Jupiter kernel: [   17.488109]  [<ffffffff81094ca0>] ? kthread_create_on_node+0x1c0/0x1c0
May 25 23:33:04 Jupiter kernel: [   17.488110] ---[ end trace 59083b060bb0617d ]---


ay 25 23:39:23 Jupiter kernel: [  403.534894] ------------[ cut here ]------------
May 25 23:39:23 Jupiter kernel: [  403.534926] WARNING: CPU: 2 PID: 200 at /build/buildd/linux-3.16.0/net/wireless/sme.c:791 cfg80211_roamed+0x91/0xa0 [cfg80211]()
May 25 23:39:23 Jupiter kernel: [  403.534928] Modules linked in: xt_multiport zram lz4_compress binfmt_misc xt_recent nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack xt_LOG xt_tcpudp xt_limit ipt_REJECT iptable_filter ip_tables x_tables snd_hda_codec_hdmi nvidia(POE) drm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer mxm_wmi serio_raw shpchp snd soundcore kvm_intel kvm wmi i7core_edac edac_core mac_hid cuse it87 hwmon_vid coretemp parport_pc ppdev lp parport autofs4 xfs libcrc32c pata_acpi hid_generic usbhid hid wl(POE) cfg80211 psmouse ahci pata_jmicron libahci
May 25 23:39:23 Jupiter kernel: [  403.534971] CPU: 2 PID: 200 Comm: wl_event_handle Tainted: P        W  OE 3.16.0-37-generic #51-Ubuntu
May 25 23:39:23 Jupiter kernel: [  403.534973] Hardware name: Gigabyte Technology Co., Ltd. X58A-UD3R/X58A-UD3R, BIOS F8b 10/07/2011
May 25 23:39:23 Jupiter kernel: [  403.534975]  0000000000000009 ffff88030958fdd0 ffffffff81784a0e 0000000000000000
May 25 23:39:23 Jupiter kernel: [  403.534978]  ffff88030958fe08 ffffffff8106fefd ffff88030e121000 ffff8802a29d1c80
May 25 23:39:23 Jupiter kernel: [  403.534981]  00000000000000a9 ffff8802a29d1740 ffff88030e126a78 ffff88030958fe18
May 25 23:39:23 Jupiter kernel: [  403.534985] Call Trace:
May 25 23:39:23 Jupiter kernel: [  403.534991]  [<ffffffff81784a0e>] dump_stack+0x45/0x56
May 25 23:39:23 Jupiter kernel: [  403.534996]  [<ffffffff8106fefd>] warn_slowpath_common+0x7d/0xa0
May 25 23:39:23 Jupiter kernel: [  403.535000]  [<ffffffff8106ffda>] warn_slowpath_null+0x1a/0x20
May 25 23:39:23 Jupiter kernel: [  403.535016]  [<ffffffffc00de971>] cfg80211_roamed+0x91/0xa0 [cfg80211]
May 25 23:39:23 Jupiter kernel: [  403.535065]  [<ffffffffc02f08cb>] wl_notify_roaming_status+0xcb/0x150 [wl]
May 25 23:39:23 Jupiter kernel: [  403.535108]  [<ffffffffc02ed602>] wl_event_handler+0x62/0x260 [wl]
May 25 23:39:23 Jupiter kernel: [  403.535150]  [<ffffffffc02ed5a0>] ? wl_free_wdev.isra.23+0x80/0x80 [wl]
May 25 23:39:23 Jupiter kernel: [  403.535155]  [<ffffffff81094d7b>] kthread+0xdb/0x100
May 25 23:39:23 Jupiter kernel: [  403.535159]  [<ffffffff81094ca0>] ? kthread_create_on_node+0x1c0/0x1c0
May 25 23:39:23 Jupiter kernel: [  403.535163]  [<ffffffff8178c958>] ret_from_fork+0x58/0x90
May 25 23:39:23 Jupiter kernel: [  403.535166]  [<ffffffff81094ca0>] ? kthread_create_on_node+0x1c0/0x1c0
May 25 23:39:23 Jupiter kernel: [  403.535169] ---[ end trace 59083b060bb0617e ]---

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to bcmwl in Ubuntu.
https://bugs.launchpad.net/bugs/1457884

Title:
  Can't boot with kernel 3.19

Status in Broadcom 802.11 Linux STA driver:
  New
Status in bcmwl package in Ubuntu:
  Triaged

Bug description:
  After upgrading Ubuntu to the last release, I can't use the last
  kernel branch.

  [   31.310188] ------------[ cut here ]------------
  [   31.310211] WARNING: CPU: 2 PID: 225 at /build/buildd/linux-3.19.0/net/wireless/reg.c:422 restore_regulatory_settings+0x9a/0x410 [cfg80211]()
  [   31.310213] Unexpected user alpha2: #A
  [   31.310214] Modules linked in: xt_recent nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack nf_log_ipv4 nf_log_common xt_LOG xt_tcpudp xt_limit ipt_REJECT nf_reject_ipv4 iptable_filter ip_tables x_tables nvidia(POE) snd_hda_codec_hdmi snd_hda_codec_realtek drm snd_hda_codec_generic mxm_wmi snd_hda_intel snd_hda_controller cuse snd_hda_codec snd_hwdep snd_pcm parport_pc ppdev snd_seq_midi it87 snd_seq_midi_event hwmon_vid snd_rawmidi coretemp snd_seq snd_seq_device snd_timer serio_raw snd mac_hid i7core_edac wmi kvm_intel lp shpchp kvm edac_core soundcore parport binfmt_misc xfs libcrc32c pata_acpi hid_generic usbhid hid wl(POE) cfg80211 psmouse pata_jmicron ahci libahci
  [   31.310239] CPU: 2 PID: 225 Comm: kworker/u32:15 Tainted: P           OE  3.19.0-16-generic #16-Ubuntu
  [   31.310240] Hardware name: Gigabyte Technology Co., Ltd. X58A-UD3R/X58A-UD3R, BIOS F8b 10/07/2011
  [   31.310249] Workqueue: events_power_efficient reg_timeout_work [cfg80211]
  [   31.310250]  ffffffffc01eb360 ffff88030b02fcf8 ffffffff817c2235 0000000000000007
  [   31.310252]  ffff88030b02fd48 ffff88030b02fd38 ffffffff8107595a ffff88030b02fd28
  [   31.310254]  0000000000000023 ffff88030b02fdb8 ffff880313091c00 0000000000000001
  [   31.310256] Call Trace:
  [   31.310262]  [<ffffffff817c2235>] dump_stack+0x45/0x57
  [   31.310265]  [<ffffffff8107595a>] warn_slowpath_common+0x8a/0xc0
  [   31.310266]  [<ffffffff810759d6>] warn_slowpath_fmt+0x46/0x50
  [   31.310275]  [<ffffffffc01a3be5>] ? reg_free_last_request+0x25/0x30 [cfg80211]
  [   31.310282]  [<ffffffffc01a5f4a>] restore_regulatory_settings+0x9a/0x410 [cfg80211]
  [   31.310290]  [<ffffffffc01a62d8>] reg_timeout_work+0x18/0x20 [cfg80211]
  [   31.310293]  [<ffffffff8108eb78>] process_one_work+0x158/0x430
  [   31.310295]  [<ffffffff8108f6bb>] worker_thread+0x5b/0x530
  [   31.310297]  [<ffffffff8108f660>] ? rescuer_thread+0x3a0/0x3a0
  [   31.310299]  [<ffffffff81094759>] kthread+0xc9/0xe0
  [   31.310301]  [<ffffffff81094690>] ? kthread_create_on_node+0x1c0/0x1c0
  [   31.310305]  [<ffffffff817c9298>] ret_from_fork+0x58/0x90
  [   31.310307]  [<ffffffff81094690>] ? kthread_create_on_node+0x1c0/0x1c0
  [   31.310308] ---[ end trace 52673ae20be92f4f ]---
  [   31.310315] cfg80211: Calling CRDA for country: #A
  [   32.165580] ------------[ cut here ]------------

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-18-generic 3.19.0-18.18
  ProcVersionSignature: Ubuntu 3.16.0-37.51-generic 3.16.7-ckt9
  Uname: Linux 3.16.0-37-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/hwC1D3', '/dev/snd/hwC1D2', '/dev/snd/hwC1D1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D9p', '/dev/snd/pcmC1D8p', '/dev/snd/pcmC1D7p', '/dev/snd/pcmC1D3p', '/dev/snd/controlC1', '/dev/snd/by-path', '/dev/snd/hwC0D2', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDesktop: GNOME
  Date: Fri May 22 15:08:45 2015
  HibernationDevice: RESUME=UUID=8c728597-f27b-4e83-a813-c25f6b076b7d
  InstallationDate: Installed on 2012-03-01 (1176 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
  MachineType: Gigabyte Technology Co., Ltd. X58A-UD3R
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-37-generic root=/dev/mapper/jupiter-root ro quiet splash nomodeset ipv6.disable=1 acpi_enforce_resources=lax crashkernel=384M-:128M vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-37-generic N/A
   linux-backports-modules-3.16.0-37-generic  N/A
   linux-firmware                             1.143.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/07/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F8b
  dmi.board.name: X58A-UD3R
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF8b:bd10/07/2011:svnGigabyteTechnologyCo.,Ltd.:pnX58A-UD3R:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnX58A-UD3R:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: X58A-UD3R
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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References