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I used to use a Edimax WiFi dongle, and it worked fine.

I then inserted a Edup dongle and this made my PC completely freeze. Only restarting it helped.

Now when I plug in the original Edimax dongle, the PC freezes again.

My thought is that the Edup driver is faulty, and now the Edimax dongle is trying to use that driver.

Is there a way to remove all USB WiFi dongle drivers so that I can start fresh with the Edimax driver?

Output to dkms status is:

bbswitch, 0.7, 4.4.0-31-generic, x86_64: installed
bbswitch, 0.7, 4.4.0-47-generic, x86_64: installed
bbswitch, 0.7, 4.4.0-51-generic, x86_64: installed
bbswitch, 0.7, 4.4.0-57-generic, x86_64: installed
bbswitch, 0.7, 4.4.0-59-generic, x86_64: installed
bbswitch, 0.7, 4.4.0-62-generic, x86_64: installed
bbswitch, 0.7, 4.4.0-66-generic, x86_64: installed
nvidia-375, 375.39, 4.4.0-66-generic, x86_64: installed

Output to sudo lshw -C network is:

  *-network               
       description: Ethernet interface
       product: 82574L Gigabit Network Connection
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: eth1
       version: 00
       serial: 68:05:ca:41:35:94
       capacity: 1Gbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=1.8-0 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:19 memory:f73c0000-f73dffff memory:f7300000-f737ffff ioport:d000(size=32) memory:f73e0000-f73e3fff memory:f7380000-f73bffff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:07:00.0
       logical name: eth0
       version: 15
       serial: 34:97:f6:8d:3c:b4
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix 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=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=68.181.161.98 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
       resources: irq:134 ioport:c000(size=256) memory:f7104000-f7104fff memory:f7100000-f7103fff
karel
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Mike
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1 Answers1

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Partial answer... work in progress...

I reviewed your syslog. It actually looks pretty good. You're correct, none of the entries that we were looking for had gotten sync'd out to the syslog file after the crash.

I did notice a couple of minor problems, unrelated to your Edimax problem, that should be fixed. See further below...

What I want to do next, to troubleshoot your Edimax issue, is to have you boot to the Ubuntu Live DVD in "Try Ubuntu" mode, and then insert one of your dongles, and see if it crashes the Live system.

Other problems...

1) Do you still have vmware installed? I see the following errors...

Apr  3 14:01:20 mkruger vmauthd[28878]: Msg_SetLocaleEx: HostLocale=UTF-8 UserLocale=NULL
Apr  3 14:01:20 mkruger vmauthd[28878]: DictionaryLoad: Cannot open file "/usr/lib/vmware/settings": No such file or directory.
Apr  3 14:01:20 mkruger vmauthd[28878]: PREF Optional preferences file not found at /usr/lib/vmware/settings. Using default values.
Apr  3 14:01:20 mkruger vmauthd[28878]: Could not expand environment variable HOME.
Apr  3 14:01:20 mkruger vmauthd[28878]: DictionaryLoad: Cannot open file "~/.vmware/config": No such file or directory.
Apr  3 14:01:20 mkruger vmauthd[28878]: PREF Optional preferences file not found at ~/.vmware/config. Using default values.
Apr  3 14:01:20 mkruger vmauthd[28878]: Could not expand environment variable HOME.
Apr  3 14:01:20 mkruger vmauthd[28878]: PREF Unable to check permissions for preferences file.
Apr  3 14:01:20 mkruger vmauthd[28878]: DictionaryLoad: Cannot open file "~/.vmware/preferences": No such file or directory.
Apr  3 14:01:20 mkruger vmauthd[28878]: PREF Failed to load user preferences.
Apr  3 14:01:20 mkruger vmauthd[28878]: Connect from remote socket (71.6.167.142:54919).
Apr  3 14:01:20 mkruger vmauthd[28878]: Connect from 71.6.167.142
Apr  3 14:01:21 mkruger vmauthd[28878]: recv() FAIL: 1.
Apr  3 14:01:21 mkruger vmauthd[28878]: VMAuthdSocketRead: read failed.  Closing socket for reading.
Apr  3 14:01:21 mkruger vmauthd[28878]: Read failed.

2) For this error... Apr 3 14:45:50 mkruger rsyslogd-2039: Could no open output pipe '/dev/xconsole': No such file or directory [try http://www.rsyslog.com/e/2039 ] you need to edit this file...

In terminal...

cd /etc/rsyslog.d/
gksudo gedit 50-default.conf

and change the end of the file so that it looks like this...

# NOTE: adjust the list below, or you'll go crazy if you have a reasonably
#      busy site..
#
#daemon.*;mail.*;\
#   news.err;\
#   *.=debug;*.=info;\
#   *.=notice;*.=warn   |/dev/xconsole

just place # in the front of each of the existing lines.

3) For this error... systemd-hostnamed[3075]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!, you need to install...

In terminal...

sudo apt-get update
sudo apt-get install nss-myhostname
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