debian squeeze's wireless reloads on T43

[malayo]

linux info

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root@T43:~# lsb_release -a
No LSB modules are available.
Distributor ID:	Debian
Description:	Debian GNU/Linux 6.0.7 (squeeze)
Release:	6.0.7
Codename:	squeeze

root@T43:~# uname -r
2.6.32-5-686

nm-applet always randomly reloads/disconnectiong and reconnecting connection to wireless network

wireless device info:

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00:01.0 PCI bridge: Intel Corporation Mobile 915GM/PM Express PCI Express Root Port (rev 03) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 00003000-00003fff
	Memory behind bridge: b0100000-b01fffff
	Prefetchable memory behind bridge: c0000000-c7ffffff
	Capabilities: [88] Subsystem: IBM Device 0578
	Capabilities: [80] Power Management version 2
	Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
	Capabilities: [a0] Express Root Port (Slot+), MSI 00
	Capabilities: [100] Virtual Channel
	Capabilities: [140] Root Complex Link
	Kernel driver in use: pcieport

loaded drivers:

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root@T43:~# lsmod
Module                  Size  Used by
michael_mic             1506  4 
arc4                     974  2 
ecb                     1405  2 
lib80211_crypt_tkip     6717  1 
aes_i586                6816  1 
aes_generic            25738  1 aes_i586
lib80211_crypt_ccmp     3643  1 
acpi_cpufreq            4955  1 
cpufreq_userspace       1488  0 
cpufreq_stats           1997  0 
cpufreq_powersave        602  0 
cpufreq_conservative     4018  0 
ppdev                   4058  0 
lp                      5570  0 
sco                     5885  2 
bridge                 33063  0 
stp                      996  1 bridge
bnep                    7468  2 
rfcomm                 25207  0 
l2cap                  21745  4 bnep,rfcomm
bluetooth              36347  6 sco,bnep,rfcomm,l2cap
uinput                  4796  1 
fuse                   44376  1 
ext3                   94536  1 
jbd                    32449  1 ext3
loop                    9777  0 
snd_intel8x0           19595  1 
snd_intel8x0m           8100  0 
snd_ac97_codec         79152  2 snd_intel8x0,snd_intel8x0m
pcmcia                 16194  0 
ac97_bus                 710  1 snd_ac97_codec
yenta_socket           16403  1 
snd_pcm                47226  3 snd_intel8x0,snd_intel8x0m,snd_ac97_codec
snd_seq                35495  0 
snd_timer              12270  2 snd_pcm,snd_seq
video                  14605  0 
rsrc_nonstatic          7057  1 yenta_socket
output                  1204  1 video
ipw2200               108392  0 
libipw                 18447  1 ipw2200
snd_seq_device          3673  1 snd_seq
parport_pc             15799  1 
snd                    34431  9 snd_intel8x0,snd_intel8x0m,snd_ac97_codec,snd_pcm,snd_seq,snd_timer,snd_seq_device
thinkpad_acpi          42003  0 
rng_core                2178  0 
rfkill                 10280  4 bluetooth,thinkpad_acpi
led_class               1757  1 thinkpad_acpi
nvram                   3985  1 thinkpad_acpi
joydev                  6739  0 
battery                 3782  0 
i2c_i801                6462  0 
pcmcia_core            20458  3 pcmcia,yenta_socket,rsrc_nonstatic
i2c_core               12795  1 i2c_i801
parport                22554  3 ppdev,lp,parport_pc
lib80211                2878  4 lib80211_crypt_tkip,lib80211_crypt_ccmp,ipw2200,libipw
ac                      1636  0 
button                  3598  0 
processor              26343  2 acpi_cpufreq
soundcore               3450  1 snd
snd_page_alloc          5061  3 snd_intel8x0,snd_intel8x0m,snd_pcm
nsc_ircc               10291  0 
irda                   75968  1 nsc_ircc
crc_ccitt               1039  1 irda
evdev                   5609  16 
pcspkr                  1207  0 
psmouse                44845  0 
serio_raw               2916  0 
ext4                  257173  1 
mbcache                 3762  2 ext3,ext4
jbd2                   56315  1 ext4
crc16                   1027  2 l2cap,ext4
sg                     19945  0 
sr_mod                 10770  0 
cdrom                  26435  1 sr_mod
sd_mod                 26029  4 
crc_t10dif              1012  1 sd_mod
ata_generic             2247  0 
ata_piix               17744  3 
uhci_hcd               16073  0 
ahci                   27814  0 
ehci_hcd               28745  0 
tg3                    95917  0 
libata                115925  3 ata_generic,ata_piix,ahci
thermal                 9206  0 
usbcore                99530  3 uhci_hcd,ehci_hcd
libphy                 11646  1 tg3
scsi_mod              105157  4 sg,sr_mod,sd_mod,libata
thermal_sys             9378  3 video,processor,thermal
nls_base                4727  1 usbcore

any idea what might've caused this?

[malayo]

reinstalling with wheezy (debian 7.1) installer solved this issue