[Bug 1218762] Re: iwconfig crashes computer

[Yuriy]

This bug also affects me.
Each time I do "sudo iwconfig" system crashes.

sudo lshw -C net
  *-network               
       description: Ethernet interface
       product: RTL8111/8168 PCI Express Gigabit Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci at 0000:07:00.0
       logical name: eth0
       version: 07
       serial: d4:be:d9:54:59:b9
       size: 10Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168e-3_0.0.4 03/27/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:43 ioport:3000(size=256) memory:c3404000-c3404fff memory:c3400000-c3403fff
  *-network
       description: Wireless interface
       product: BCM43142 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci at 0000:08:00.0
       logical name: eth1
       version: 01
       serial: c0:18:85:c4:c3:0b
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=wl0 driverversion=6.20.155.1 (r326264) ip=192.168.43.151 latency=0 multicast=yes wireless=IEEE 802.11abg
       resources: irq:17 memory:c3500000-c3507fff

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https://bugs.launchpad.net/bugs/1218762

Title:
  iwconfig crashes computer

Status in “wireless-tools” package in Ubuntu:
  Confirmed

Bug description:
  Everytime I try to run 'sudo iwconfig' the pc just crashes and hangs
  with caps lock light flashing, I believe this is a kernel krash.
  /var/log/syslog contains no traces of the crash. I have seen several
  reports for this behaviour on Mac, and I believe they are also on
  Broadcom drivers, so that is probably the lowest common denominator.

  $sudo lshw -C net
    *-network               
         description: Ethernet interface
         product: AR8151 v1.0 Gigabit Ethernet
         vendor: Qualcomm Atheros
         physical id: 0
         bus info: pci at 0000:01:00.0
         logical name: eth0
         version: c0
         serial: 20:6a:8a:02:31:cf
         capacity: 1Gbit/s
         width: 64 bits
         clock: 33MHz
         capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
         configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.1-NAPI latency=0 link=no multicast=yes port=twisted pair
         resources: irq:44 memory:d3400000-d343ffff ioport:2000(size=128)
    *-network
         description: Wireless interface
         product: BCM43225 802.11b/g/n
         vendor: Broadcom Corporation
         physical id: 0
         bus info: pci at 0000:02:00.0
         logical name: eth1
         version: 01
         serial: c4:46:19:51:bc:fb
         width: 64 bits
         clock: 33MHz
         capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
         configuration: broadcast=yes driver=wl0 driverversion=6.20.155.1 (r326264) ip=192.168.0.44 latency=0 multicast=yes wireless=IEEE 802.11abg
         resources: irq:17 memory:d2400000-d2403fff

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: wireless-tools 30~pre9-8ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-29.42-generic 3.8.13.5
  Uname: Linux 3.8.0-29-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  Date: Fri Aug 30 09:55:54 2013
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-11-22 (280 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  SourcePackage: wireless-tools
  UpgradeStatus: Upgraded to raring on 2013-04-30 (121 days ago)

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