I've got the same problem on feisty fawn (7.04): after the second resume from
hibernation, iwconfig show:
lo no wireless extensions.
eth1 no wireless extensions.
eth0 no wireless extensions.
Simply restarting the ipw3945 daemon solved the problem. (from a root
shell I've just typed: "ipw3945d-2.6.20-15-generic"). The output of this
command is:
ipw3945d - regulatory daemon
Copyright (C) 2005-2006 Intel Corporation. All rights reserved.
version: 1.7.22
Intel PRO/Wireless 3945ABG Network Connection found at:
/sys/bus/pci/drivers/ipw3945/0000:04:00.0
Daemon launched as pid 10332. Exiting.
A new iwconfig found the right interfaces:
lo no wireless extensions.
eth1 unassociated ESSID:off/any
Mode:Managed Frequency=nan kHz Access Point: Not-Associated
Bit Rate:0 kb/s Tx-Power:16 dBm
Retry limit:15 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth0 no wireless extensions.
I attach the LSPCI output for more information on my hardware.
The kernel I'm using is: 2.6.20-15-generic #2 SMP Sun Apr 15 07:36:31
UTC 2007 i686 GNU/Linux
** Attachment added: "LSPCI output"
http://librarian.launchpad.net/7665693/LSPCI
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ipw3945 not coming up after second suspend
https://bugs.launchpad.net/bugs/58247
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