Comment 11 for bug 38316

Can confirm this bug on a IBM Thinkpad T60, after installing the package "uswsusp".

When uswsusp is not installed hibernation works fine, after installing uswsusp this bug occurs.
output of sudo /etc/acpi/hibernate.sh (with uswsusp installed):

There is already a pid file /var/run/dhclient.ath0.pid with pid 12705
removed stale PID file
Internet Systems Consortium DHCP Client V3.0.4
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

wifi0: unknown hardware address type 801
wifi0: unknown hardware address type 801
Listening on LPF/ath0/00:16:ce:88:c2:b1
Sending on LPF/ath0/00:16:ce:88:c2:b1
Sending on Socket/fallback
DHCPRELEASE on ath0 to 192.168.1.1 port 67
RTNETLINK answers: No such process
There is already a pid file /var/run/dhclient.eth0.pid with pid 12777
removed stale PID file
Internet Systems Consortium DHCP Client V3.0.4
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

wifi0: unknown hardware address type 801
wifi0: unknown hardware address type 801
Listening on LPF/eth0/00:15:58:2b:95:9f
Sending on LPF/eth0/00:15:58:2b:95:9f
Sending on Socket/fallback
DHCPRELEASE on eth0 to 131.155.3.3 port 67
ifdown: interface eth0:avah not configured
SIOCSIFFLAGS: Cannot assign requested address
ifdown: interface wifi0 not configured
 * Shutting down ALSA... [ OK ]
Usage: suspend [-f config][resume_device]
Laptop mode disabled, not active.
ifup: interface ath0 already configured
ifup: interface eth0 already configured
Ignoring unknown interface eth0:avah=eth0:avah.
Ignoring unknown interface wifi0=wifi0.
 * Setting up ALSA... [ OK ]
grep: /proc/acpi/fan/*/state: No such file or directory
FATAL: Module acpi_sbs not found.
FATAL: Module acpi_sbs not found.