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 Forum index » Advanced Topics » Hardware » Networking » Wireless
wlan0 problem - not coming "UP"
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duffmckagan

Joined: 24 May 2013
Posts: 2

PostPosted: Fri 12 Jul 2013, 06:46    Post_subject:  wlan0 problem - not coming "UP"
Sub_title: Networking problem on Netbook
 

Hi,

Edit: Slacko Puppy 5.5 Kernel 3.2.33 - 4g

Till yesterday everything was working fine and suddenly my Wi-Fi on the netbook stopped working.

I haven't applied any updates or changed any software etc on this netbook. However, there was an improper shutdown which may have caused the problem. Still, I have no clue what changed that my wlan0 Wifi network interface won't come up.

Output of
Code:
dmesg | grep -i eth


Code:

[ 0.224036] ACPI Error: Method parse/execution failed [\_SB_.PCI0._OSC]
(Node f603bd40), AE_ALREADY_EXISTS (20110623/psparse-536)
[ 0.224054] ACPI: Marking method _OSC as Serialized because of AE_ALREADY_EXISTS
error
[ 0.240889] ACPI Error: Method parse/execution failed
[\_SB_.PCI0._OSC] (Node f603bd40), AE_ALREADY_EXISTS
(20110623/psparse-536)
[ 0.241055] ACPI Error: Method parse/execution
failed [\_SB_.PCI0._OSC] (Node f603bd40), AE_ALREADY_EXISTS
(20110623/psparse-536)
[ 10.597248] tg3 0000:05:00.0: eth0: Tigon3
[partno(BCM57780) rev 57780001] (PCI Express) MAC address
c8:0a:a9:72:cd:0f
[ 10.597262] tg3 0000:05:00.0: eth0: attached PHY
driver [Broadcom BCM57780] (mii_bus:phy_addr=500:01)
[ 10.597274] tg3
0000:05:00.0: eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1] [
10.597283] tg3 0000:05:00.0: eth0: dma_rwctrl[76180000] dma_mask[64-bit]
[ 17.607914] tg3 0000:05:00.0: eth0: Link is down
[ 68.781194] tg3
0000:05:00.0: eth0: Link is down [ 83.831152] tg3 0000:05:00.0: eth0:
Link is down
[ 3819.490781] tg3 0000:05:00.0: eth0: Link is down
[3820.494137] tg3 0000:05:00.0: eth0: Link is up at 100 Mbps, full duplex
[ 3820.494150] tg3 0000:05:00.0: eth0: Flow control is on for TX and on
for RX


This is when I am connected to the network by a wired connection through wlan0.

Also, output of

Code:
dmesg | grep -i wlan


Code:

[ 10.415268] wlan0: Broadcom BCM4727 802.11 Hybrid Wireless Controller
5.100.82.112


Puppy is running on the hard drive as the only OS. Don't want to re-install either. Thanks.

Regards,
Amit
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rcrsn51


Joined: 05 Sep 2006
Posts: 9207
Location: Stratford, Ontario

PostPosted: Fri 12 Jul 2013, 07:26    Post_subject:  

Does your netbook have a physical switch on the case that enables WIFI? Maybe it is now in the OFF state.
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Sylvander

Joined: 15 Dec 2008
Posts: 3463
Location: West Lothian, Scotland, UK

PostPosted: Fri 12 Jul 2013, 07:53    Post_subject: Re: wlan0 problem - not coming "UP"
Sub_title: Networking problem on Netbook
 

1.
duffmckagan wrote:
there was an improper shutdown which may have caused the problem.

a. Whenever there is an improper shutdown when running a Puppy...
I would ALWAYS make sure that prior to running another session of that Puppy, I would have a scan&fix run on the [filesystem in the] pupsave file [if one is in use], and also the partition-file-system [PFS] of the partition holding the pupsave [or full install].
I do this because I believe that an improper power-off is likely to corrupt the PFS.
An ext3 or ext4 filesystem is more likely to be fully recovered than an ext2.

b. I normally do this by entering the following command during the 5-sec pause during the Puppy startup:
puppy pfix=fsck
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