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[Sergey Talchuk <tals1975@xxxxxxxxx>]

Hi all,

The NULL POINTER patch doesn't work for me (

$lspci -vvnn | grep -A 9 Network
07:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
	Subsystem: Foxconn International, Inc. Device [105b:e071]
	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-
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at c0700000 (64-bit, non-prefetchable) [size=32K]
	Capabilities: <access denied>

$lsb_release -rd
Description:	Ubuntu 14.10
Release:	14.10

$uname -a
Linux vaio 3.16.0-30-generic #40-Ubuntu SMP Mon Jan 12 22:06:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

$sudo dmidecode -s bios-version
R0220DA

------------[ cut here ]------------
WARNING: CPU: 2 PID: 487 at /build/buildd/linux-3.16.0/net/wireless/sme.c:791 cfg80211_roamed+0x91/0xa0 [cfg80211]()
Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) rfcomm bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic binfmt_misc snd_usb_audio snd_usbmidi_lib hid_multitouch hid_generic uvcvideo usbhid hid btusb(OE) bluetooth 6lowpan_iphc videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media microread_mei microread mei_phy crc_ccitt hci nfc wl(POE) intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep ghash_clmulni_intel aesni_intel snd_pcm aes_x86_64 lrw gf128mul glue_helper snd_seq_midi ablk_helper snd_seq_midi_event cryptd snd_rawmidi joydev serio_raw snd_seq snd_seq_device snd_timer snd rtsx_pci_ms cfg80211 lpc_ich memstick
i915 shpchp soundcore mei_me mei drm_kms_helper drm i2c_algo_bit sony_laptop mac_hid parport_pc video ppdev i2c_i801 coretemp lp parport rtsx_pci_sdmmc psmouse ahci r8169 libahci mii rtsx_pci
CPU: 2 PID: 487 Comm: wl_event_handle Tainted: P           OE 3.16.0-30-generic #40-Ubuntu
Hardware name: Sony Corporation SVF15A16CXB/VAIO, BIOS R0220DA 11/18/2013
0000000000000009 ffff880220eafdd0 ffffffff8178236b 0000000000000000
ffff880220eafe08 ffffffff8106feed ffff880220dce000 ffff8801b44c5d80
000000000000009a ffff880039818480 ffff88024334fa78 ffff880220eafe18
Call Trace:
[<ffffffff8178236b>] dump_stack+0x45/0x56
[<ffffffff8106feed>] warn_slowpath_common+0x7d/0xa0
[<ffffffff8106ffca>] warn_slowpath_null+0x1a/0x20
[<ffffffffc03d9981>] cfg80211_roamed+0x91/0xa0 [cfg80211]
[<ffffffffc08c06cb>] wl_notify_roaming_status+0xcb/0x150 [wl]
[<ffffffffc08bd402>] wl_event_handler+0x62/0x260 [wl]
[<ffffffffc08bd3a0>] ? wl_free_wdev.isra.23+0x80/0x80 [wl]
[<ffffffff81094c7b>] kthread+0xdb/0x100
[<ffffffff81094ba0>] ? kthread_create_on_node+0x1c0/0x1c0
[<ffffffff8178a2fc>] ret_from_fork+0x7c/0xb0
[<ffffffff81094ba0>] ? kthread_create_on_node+0x1c0/0x1c0
---[ end trace 741fce72667b8b52 ]---

-- 
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/1415880

Title:
  14e4:4365 bcmwl-kernel source: fix for null pointer crash

Status in bcmwl package in Ubuntu:
  Incomplete

Bug description:
  The bcmwl package as of now misses one patch for a bug that occurs
  with BCM43142 and possibly other broadcom chipsets that will look like
  random disconnects, poor wifi signal and kernel warnings, See also
  #1379524.

  Adding the patch is a fairly simple process:

  * put the patch file in /usr/src/bcmwl-6.30.223.248+bdcom/patches
  * add the following line to  /usr/src/bcmwl-6.30.223.248+bdcom/dkms.conf
  PATCH[7]="0014-null-pointer-crash.patch"
  * run: /usr/lib/dkms/common.postinst bcmwl 6.30.223.248+bdcom /usr/share/bcmwl x86_64 $(uname -r)

  This has fixed the issue for me. Edit: I just wanted to add that I did
  not write the patch; I merely downloaded it from a paste that was
  linked from the respective AUR package.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu1 [modified: usr/src/bcmwl-6.30.223.248+bdcom/dkms.conf]
  ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
  Uname: Linux 3.16.0-29-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.7-0ubuntu8.1
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Thu Jan 29 13:15:17 2015
  InstallationDate: Installed on 2015-01-26 (3 days ago)
  InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: bcmwl
  UpgradeStatus: No upgrade log present (probably fresh install)

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