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Problem seems to have gone away - don't know how

I have 2 wifi laptops and a wired desktop, all running Linux Mint 13 (Mate).
This issue applies to all 3 devices, and started 2 days ago, (Friday April 26).

There is just one forum that Firefox...

On advice from elsewhere, I installed the 3.6.6 kernel.
Then I found and installed the the compat-wireless 3.6.6-1 driver from linux wireless.org.
I've done a full reboot and couple of restarts and...

Reference 2 threads:
Boot problem - Wireless & Networking, and Ubuntu 12.04 Wifi Drivers - Hardware (from Post 54)

I have done another clean install, and all works OK until I install the...

@varunendra & chili555

Many thanks for your help and interest.
I shall do as you suggest.
N

I found this on the Linux Mint forums and I'm tempted to try, but I'd value your opinion before I do.

http://forums.linuxmint.com/viewtopic.php?f=46&t=114697&p=640433&hilit=acpi#p640433

I googled "ACPI error in Linux" and found this, from here:
http://www-uxsup.csx.cam.ac.uk/pub/doc/suse/suse9.3/suselinux-adminguide_en/sec.pmanage.acpi.html#sec.pmanage.probs:

16.3.4....

As you suggested, I googled the errors, but it's all way above my head.

I looked in the BIOS and there's no way to look at IRQs nor ACPI settings.

I reset (F9) and all that did was disabled...

I hope I've done this right.

This morning I connected the laptop via ethernet cable to see if it worked, to eliminate the possibility of it being a wifi issue, but everything happened as I...

No "extra" settings in Network Manager.

Waiting, it just doesn't do anything - blank screen.
It only boots after I've powered off and restarted, choosing Recovery Mode, and then "resume normal...

From sudo less /var/log/dmesg

9.660860] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 9.660867] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 14.592774] lp: driver loaded but no devices...

sudo gedit /etc/network/interfaces just shows:

auto lo
iface lo inet loopback

From: sudo less /var/log/dmesg.0

13.083546] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 13.083552]...

Since reporting all OK in this thread http://ubuntuforums.org/showthread.php?p=12348975#post12348975, I have a booting issue.

When I try to boot normally, the process hangs at the line:
35.189139...

You must have missed my edit:
"Router reconfigured - all working OK
Again, many thanks"

"Woo hoo!" indeed.
Well the good news is that this works.
It finds the networks OK.

The bad news is that it won't let me connect.
I'm sure it's a router configuration issue, which I'll have to...

normh@normh-nspire ~ $ uname -r
3.2.0-23-generic
normh@normh-nspire ~ $

Stopped as instructed because:

Extract from "make":
...

I copied and pasted the commands from the instructions in Post 35, but unfortunately it's still not working.
FWIW, sudo lshw -c network still shows UNCLAIMED


Here are extracts from make and...

OK, will try that one, but do all the other steps in Post 35 still apply, and is there anything from my first attempts that needs to be removed?

Will do, but may not be until tomorrow.

EDIT:
During make / make install I got messages saying warnings were being treated as errors.
Should I try a different compat-wireless version and if so,...

normh@normh-nspire ~ $ modinfo ath9k | grep 0037
normh@normh-nspire ~ $ sudo modprobe ath9k
[sudo] password for normh:
normh@normh-nspire ~ $ dmesg | grep ath
normh@normh-nspire ~ $

Oh dear!...

normh@normh-nspire ~ $ lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
00:02.0 VGA compatible controller [0300]:...

Some more info, in case it helps:

lspci -v
02:00.0 Network controller: Atheros Communications Inc. Device 0037 (rev 01)
Subsystem: AzureWave Device 2100
Flags: bus master, fast devsel,...

I'm not sure if I should have started a new thread, but my problem relates to the instructions here, and my machine is also similar to that of the OP.

I have installed Mint 13 (Mate) on a brand...

Is this any help?
http://www.zamzar.com/

Alt+SysRq+b gets a restart
Substitute o for b for a shutdown
Reference : http://en.wikipedia.org/wiki/Magic_SysRq_key

Again, many thanks