I'm again getting regular network drops with 3.19.0-14.14. Logs indicate
the same problem as originally reported.
Apr 16 08:49:32 aargh kernel: [ 2733.908980] ------------[ cut here
]------------
Apr 16 08:49:32 aargh kernel: [ 2733.909006] WARNING: CPU: 2 PID: 661 at
/build/buildd/linux-3.19.0/net/wireless/sme.c:800 cfg80211_roamed+0x91/0xa0
[cfg80211]()
Apr 16 08:49:32 aargh kernel: [ 2733.909007] Modules linked in: ufs qnx4
hfsplus hfs minix ntfs msdos jfs xfs libcrc32c xt_addrtype xt_conntrack aufs
xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp
bridge stp llc iptable_filter ip_tables x_tables hp_wmi sparse_keymap
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel
snd_hda_controller snd_hda_codec snd_hwdep rfcomm bnep intel_rapl iosf_mbi
x86_pkg_temp_thermal intel_powerclamp coretemp uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_core kvm_intel kvm btusb bluetooth snd_pcm wl(POE)
v4l2_common videodev media snd_seq_midi snd_seq_midi_event binfmt_misc
snd_rawmidi joydev snd_seq serio_raw snd_seq_device snd_timer 8250_fintek snd
cfg80211 hp_accel hp_wireless lis3lv02d input_polldev acpi_pad rtsx_pci_ms
memstick nls_iso8859_1 lpc_ich mei_me mei soundcore shpchp mac_hid parport_pc
ppdev lp parport btr
fs xor raid6_pq dm_crypt rtsx_pci_sdmmc i915 crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel aesni_intel i2c_algo_bit drm_kms_helper aes_x86_64 lrw
gf128mul drm glue_helper psmouse ablk_helper cryptd ahci r8169 libahci rtsx_pci
mii wmi video
Apr 16 08:49:32 aargh kernel: [ 2733.909058] CPU: 2 PID: 661 Comm:
wl_event_handle Tainted: P W OE 3.19.0-14-generic #14-Ubuntu
Apr 16 08:49:32 aargh kernel: [ 2733.909060] Hardware name: Hewlett-Packard HP
Pavilion 13 Notebook PC /2340, BIOS F.24 11/28/2014
Apr 16 08:49:32 aargh kernel: [ 2733.909061] ffffffffc07cfa78 ffff880250d4bda8
ffffffff817c2205 0000000000000007
Apr 16 08:49:32 aargh kernel: [ 2733.909063] 0000000000000000 ffff880250d4bde8
ffffffff8107595a ffff880251b09878
Apr 16 08:49:32 aargh kernel: [ 2733.909065] ffff88003f993000 ffff88022588f840
000000000000009d ffff88022588fcc0
Apr 16 08:49:32 aargh kernel: [ 2733.909068] Call Trace:
Apr 16 08:49:32 aargh kernel: [ 2733.909074] [<ffffffff817c2205>]
dump_stack+0x45/0x57
Apr 16 08:49:32 aargh kernel: [ 2733.909077] [<ffffffff8107595a>]
warn_slowpath_common+0x8a/0xc0
Apr 16 08:49:32 aargh kernel: [ 2733.909079] [<ffffffff81075a4a>]
warn_slowpath_null+0x1a/0x20
Apr 16 08:49:32 aargh kernel: [ 2733.909089] [<ffffffffc07aba81>]
cfg80211_roamed+0x91/0xa0 [cfg80211]
Apr 16 08:49:32 aargh kernel: [ 2733.909121] [<ffffffffc0a169fb>]
wl_notify_roaming_status+0xcb/0x150 [wl]
Apr 16 08:49:32 aargh kernel: [ 2733.909149] [<ffffffffc0a1375a>]
wl_event_handler+0x6a/0x230 [wl]
Apr 16 08:49:32 aargh kernel: [ 2733.909177] [<ffffffffc0a136f0>] ?
wl_free_wdev.isra.23+0x80/0x80 [wl]
Apr 16 08:49:32 aargh kernel: [ 2733.909180] [<ffffffff81094759>]
kthread+0xc9/0xe0
Apr 16 08:49:32 aargh kernel: [ 2733.909183] [<ffffffff81094690>] ?
kthread_create_on_node+0x1c0/0x1c0
Apr 16 08:49:32 aargh kernel: [ 2733.909186] [<ffffffff817c9298>]
ret_from_fork+0x58/0x90
Apr 16 08:49:32 aargh kernel: [ 2733.909189] [<ffffffff81094690>] ?
kthread_create_on_node+0x1c0/0x1c0
Apr 16 08:49:32 aargh kernel: [ 2733.909191] ---[ end trace 563332e59ed4552b
]---
Apr 16 08:50:26 aargh kernel: [ 2787.623656] cfg80211: Calling CRDA to update
world regulatory domain
Apr 16 08:50:26 aargh kernel: [ 2787.625725] cfg80211: World regulatory domain
updated:
Apr 16 08:50:26 aargh kernel: [ 2787.625728] cfg80211: DFS Master region: unset
Apr 16 08:50:26 aargh kernel: [ 2787.625729] cfg80211: (start_freq - end_freq
@ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Apr 16 08:50:26 aargh kernel: [ 2787.625731] cfg80211: (2402000 KHz - 2472000
KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:26 aargh kernel: [ 2787.625732] cfg80211: (2457000 KHz - 2482000
KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:26 aargh kernel: [ 2787.625733] cfg80211: (2474000 KHz - 2494000
KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:26 aargh kernel: [ 2787.625735] cfg80211: (5170000 KHz - 5250000
KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:26 aargh kernel: [ 2787.625736] cfg80211: (5735000 KHz - 5835000
KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:31 aargh kernel: [ 2792.122556] ------------[ cut here
]------------
Apr 16 08:50:31 aargh kernel: [ 2792.122583] WARNING: CPU: 1 PID: 661 at
/build/buildd/linux-3.19.0/net/wireless/sme.c:800 cfg80211_roamed+0x91/0xa0
[cfg80211]()
Apr 16 08:50:31 aargh kernel: [ 2792.122584] Modules linked in: ufs qnx4
hfsplus hfs minix ntfs msdos jfs xfs libcrc32c xt_addrtype xt_conntrack aufs
xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp
bridge stp llc iptable_filter ip_tables x_tables hp_wmi sparse_keymap
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel
snd_hda_controller snd_hda_codec snd_hwdep rfcomm bnep intel_rapl iosf_mbi
x86_pkg_temp_thermal intel_powerclamp coretemp uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_core kvm_intel kvm btusb bluetooth snd_pcm wl(POE)
v4l2_common videodev media snd_seq_midi snd_seq_midi_event binfmt_misc
snd_rawmidi joydev snd_seq serio_raw snd_seq_device snd_timer 8250_fintek snd
cfg80211 hp_accel hp_wireless lis3lv02d input_polldev acpi_pad rtsx_pci_ms
memstick nls_iso8859_1 lpc_ich mei_me mei soundcore shpchp mac_hid parport_pc
ppdev lp parport btr
fs xor raid6_pq dm_crypt rtsx_pci_sdmmc i915 crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel aesni_intel i2c_algo_bit drm_kms_helper aes_x86_64 lrw
gf128mul drm glue_helper psmouse ablk_helper cryptd ahci r8169 libahci rtsx_pci
mii wmi video
Apr 16 08:50:31 aargh kernel: [ 2792.122637] CPU: 1 PID: 661 Comm:
wl_event_handle Tainted: P W OE 3.19.0-14-generic #14-Ubuntu
Apr 16 08:50:31 aargh kernel: [ 2792.122639] Hardware name: Hewlett-Packard HP
Pavilion 13 Notebook PC /2340, BIOS F.24 11/28/2014
Apr 16 08:50:31 aargh kernel: [ 2792.122640] ffffffffc07cfa78 ffff880250d4bda8
ffffffff817c2205 0000000000000007
Apr 16 08:50:31 aargh kernel: [ 2792.122642] 0000000000000000 ffff880250d4bde8
ffffffff8107595a ffff880251b09878
Apr 16 08:50:31 aargh kernel: [ 2792.122644] ffff88003f993000 ffff88021640f780
000000000000009d ffff88021640f600
Apr 16 08:50:31 aargh kernel: [ 2792.122647] Call Trace:
Apr 16 08:50:31 aargh kernel: [ 2792.122653] [<ffffffff817c2205>]
dump_stack+0x45/0x57
Apr 16 08:50:31 aargh kernel: [ 2792.122656] [<ffffffff8107595a>]
warn_slowpath_common+0x8a/0xc0
Apr 16 08:50:31 aargh kernel: [ 2792.122658] [<ffffffff81075a4a>]
warn_slowpath_null+0x1a/0x20
Apr 16 08:50:31 aargh kernel: [ 2792.122668] [<ffffffffc07aba81>]
cfg80211_roamed+0x91/0xa0 [cfg80211]
Apr 16 08:50:31 aargh kernel: [ 2792.122703] [<ffffffffc0a169fb>]
wl_notify_roaming_status+0xcb/0x150 [wl]
Apr 16 08:50:31 aargh kernel: [ 2792.122733] [<ffffffffc0a1375a>]
wl_event_handler+0x6a/0x230 [wl]
Apr 16 08:50:31 aargh kernel: [ 2792.122764] [<ffffffffc0a136f0>] ?
wl_free_wdev.isra.23+0x80/0x80 [wl]
Apr 16 08:50:31 aargh kernel: [ 2792.122767] [<ffffffff81094759>]
kthread+0xc9/0xe0
Apr 16 08:50:31 aargh kernel: [ 2792.122770] [<ffffffff81094690>] ?
kthread_create_on_node+0x1c0/0x1c0
Apr 16 08:50:31 aargh kernel: [ 2792.122774] [<ffffffff817c9298>]
ret_from_fork+0x58/0x90
Apr 16 08:50:31 aargh kernel: [ 2792.122777] [<ffffffff81094690>] ?
kthread_create_on_node+0x1c0/0x1c0
Apr 16 08:50:31 aargh kernel: [ 2792.122778] ---[ end trace 563332e59ed4552c
]---
Apr 16 08:50:35 aargh kernel: [ 2796.090861] cfg80211: Calling CRDA to update
world regulatory domain
Apr 16 08:50:35 aargh kernel: [ 2796.093064] cfg80211: World regulatory domain
updated:
Apr 16 08:50:35 aargh kernel: [ 2796.093067] cfg80211: DFS Master region: unset
Apr 16 08:50:35 aargh kernel: [ 2796.093068] cfg80211: (start_freq - end_freq
@ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Apr 16 08:50:35 aargh kernel: [ 2796.093070] cfg80211: (2402000 KHz - 2472000
KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:35 aargh kernel: [ 2796.093071] cfg80211: (2457000 KHz - 2482000
KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:35 aargh kernel: [ 2796.093072] cfg80211: (2474000 KHz - 2494000
KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:35 aargh kernel: [ 2796.093073] cfg80211: (5170000 KHz - 5250000
KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:35 aargh kernel: [ 2796.093075] cfg80211: (5735000 KHz - 5835000
KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Apr 16 08:50:35 aargh kernel: [ 2796.947966] ------------[ cut here
]------------
Apr 16 08:50:35 aargh kernel: [ 2796.948025] WARNING: CPU: 1 PID: 661 at
/build/buildd/linux-3.19.0/net/wireless/sme.c:800 cfg80211_roamed+0x91/0xa0
[cfg80211]()
Apr 16 08:50:35 aargh kernel: [ 2796.948029] Modules linked in: ufs qnx4
hfsplus hfs minix ntfs msdos jfs xfs libcrc32c xt_addrtype xt_conntrack aufs
xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp
bridge stp llc iptable_filter ip_tables x_tables hp_wmi sparse_keymap
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel
snd_hda_controller snd_hda_codec snd_hwdep rfcomm bnep intel_rapl iosf_mbi
x86_pkg_temp_thermal intel_powerclamp coretemp uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_core kvm_intel kvm btusb bluetooth snd_pcm wl(POE)
v4l2_common videodev media snd_seq_midi snd_seq_midi_event binfmt_misc
snd_rawmidi joydev snd_seq serio_raw snd_seq_device snd_timer 8250_fintek snd
cfg80211 hp_accel hp_wireless lis3lv02d input_polldev acpi_pad rtsx_pci_ms
memstick nls_iso8859_1 lpc_ich mei_me mei soundcore shpchp mac_hid parport_pc
ppdev lp parport btr
fs xor raid6_pq dm_crypt rtsx_pci_sdmmc i915 crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel aesni_intel i2c_algo_bit drm_kms_helper aes_x86_64 lrw
gf128mul drm glue_helper psmouse ablk_helper cryptd ahci r8169 libahci rtsx_pci
mii wmi video
Apr 16 08:50:35 aargh kernel: [ 2796.948148] CPU: 1 PID: 661 Comm:
wl_event_handle Tainted: P W OE 3.19.0-14-generic #14-Ubuntu
Apr 16 08:50:35 aargh kernel: [ 2796.948152] Hardware name: Hewlett-Packard HP
Pavilion 13 Notebook PC /2340, BIOS F.24 11/28/2014
Apr 16 08:50:35 aargh kernel: [ 2796.948155] ffffffffc07cfa78 ffff880250d4bda8
ffffffff817c2205 0000000000000007
Apr 16 08:50:35 aargh kernel: [ 2796.948161] 0000000000000000 ffff880250d4bde8
ffffffff8107595a ffff880251b09878
Apr 16 08:50:35 aargh kernel: [ 2796.948166] ffff88003f993000 ffff880225a000c0
000000000000009d ffff880225a00780
Apr 16 08:50:35 aargh kernel: [ 2796.948172] Call Trace:
Apr 16 08:50:35 aargh kernel: [ 2796.948185] [<ffffffff817c2205>]
dump_stack+0x45/0x57
Apr 16 08:50:35 aargh kernel: [ 2796.948191] [<ffffffff8107595a>]
warn_slowpath_common+0x8a/0xc0
Apr 16 08:50:35 aargh kernel: [ 2796.948196] [<ffffffff81075a4a>]
warn_slowpath_null+0x1a/0x20
Apr 16 08:50:35 aargh kernel: [ 2796.948221] [<ffffffffc07aba81>]
cfg80211_roamed+0x91/0xa0 [cfg80211]
Apr 16 08:50:35 aargh kernel: [ 2796.948296] [<ffffffffc0a169fb>]
wl_notify_roaming_status+0xcb/0x150 [wl]
Apr 16 08:50:35 aargh kernel: [ 2796.948364] [<ffffffffc0a1375a>]
wl_event_handler+0x6a/0x230 [wl]
Apr 16 08:50:35 aargh kernel: [ 2796.948434] [<ffffffffc0a136f0>] ?
wl_free_wdev.isra.23+0x80/0x80 [wl]
Apr 16 08:50:35 aargh kernel: [ 2796.948442] [<ffffffff81094759>]
kthread+0xc9/0xe0
Apr 16 08:50:35 aargh kernel: [ 2796.948449] [<ffffffff81094690>] ?
kthread_create_on_node+0x1c0/0x1c0
Apr 16 08:50:35 aargh kernel: [ 2796.948457] [<ffffffff817c9298>]
ret_from_fork+0x58/0x90
Apr 16 08:50:35 aargh kernel: [ 2796.948464] [<ffffffff81094690>] ?
kthread_create_on_node+0x1c0/0x1c0
Apr 16 08:50:35 aargh kernel: [ 2796.948468] ---[ end trace 563332e59ed4552d
]---
** Changed in: bcmwl (Ubuntu)
Status: Invalid => Confirmed
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https://bugs.launchpad.net/bugs/1432659
Title:
HP Pavilion 13-b208tu w/ Broadcom BCM43142 Wifi unstable, panics
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