Same problem here with a Toshiba Satellite A300 PSAGCE-04Q00WCE and a
fresh and updated karmic.

Resuming from suspend works OK, and I can control the LCD britness, but
not the fan.

The things I've tried:

r...@bancal:~# modprobe toshiba_acpi
FATAL: Error inserting toshiba_acpi 
(/lib/modules/2.6.31-19-generic/kernel/drivers/platform/x86/toshiba_acpi.ko): 
No such device

r...@bancal:~# file 
/lib/modules/2.6.31-14-generic/kernel/drivers/platform/x86/toshiba_acpi.ko 
/lib/modules/2.6.31-14-generic/kernel/drivers/platform/x86/toshiba_acpi.ko: ELF 
64-bit LSB relocatable, x86-64, version 1 (SYSV), not stripped

r...@bancal:~# grep -i acpi /var/log/messages
Feb 22 09:49:37 bancal kernel: [44061.804654] ACPI: Please implement 
acpi_video_bus_ROM_seq_show
Feb 22 09:51:11 bancal kernel: [44155.165398] ACPI: Device does not support D2
Feb 22 10:00:43 bancal kernel: [44727.691936] ACPI: Device does not support D1

r...@bancal:~/bin# echo "0" > /proc/acpi/fan/FAN/state
r...@bancal:~/bin# cat /proc/acpi/fan/FAN/state
status:                  on

r...@bancal:~/bin# cat  /proc/acpi/thermal_zone/THRM/temperature 
temperature:             33 C

r...@bancal:~/bin# cat  /proc/acpi/thermal_zone/THRM/cooling_mode 
0 - Active; 1 - Passive
r...@bancal:~/bin# echo "1" > /proc/acpi/thermal_zone/THRM/cooling_mode
r...@bancal:~/bin# cat  /proc/acpi/thermal_zone/THRM/state 
state:                   active[0]
r...@bancal:~/bin# cat /proc/acpi/fan/FAN/state
status:                  on

r...@bancal:~/bin# cat  /proc/acpi/thermal_zone/THRM/polling_frequency 
<polling disabled>

r...@bancal:~/bin# cat  /proc/acpi/thermal_zone/THRM/trip_points 
critical (S5):           94 C
passive:                 94 C: tc1=2 tc2=5 tsp=300 devices=CPU0 CPU1 
active[0]:               70 C: devices= FAN 


** Attachment added: "Trimmed lshw"
   http://launchpadlibrarian.net/39518375/lshw.txt

-- 
Cannot load toshiba_acpi module ("no such device") on M45-S2692 Laptop
https://bugs.launchpad.net/bugs/482119
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