** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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https://bugs.launchpad.net/bugs/1177851
Title:
system freezes when disabling wifi
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
I recently upgraded my laptop (Compaq Mini 311-1100) to Xubuntu 13.04.
The system freezes in the following situation :
- Disabling Wifi (either by Wifi button or by network manager).
- Stopping network (/etc/init.d/networking stop)
- System shutdown (the shutdown freezes when kernel tries to disable
network).
I suppose the problem comes from the Atheros driver (ath9k) with
Atheros card. Before trying to get latest version and recompile it, I
submit this bug report.
Network controller: Atheros Communications Inc. AR9285 Wireless
Network Adapter (PCI-Express) (rev 01)
lsmod :
Module Size Used by
dm_crypt 22321 0
snd_hda_codec_hdmi 36185 1
coretemp 13131 0
snd_hda_codec_idt 63896 1
hp_wmi 17712 0
sparse_keymap 13658 1 hp_wmi
snd_hda_intel 38307 3
snd_hda_codec 117580 3
snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
snd_hwdep 13272 1 snd_hda_codec
snd_pcm 80890 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
arc4 12543 2
snd_page_alloc 14230 2 snd_pcm,snd_hda_intel
snd_seq_midi 13132 0
snd_seq_midi_event 14475 1 snd_seq_midi
ath9k 134875 0
snd_rawmidi 25114 1 snd_seq_midi
microcode 18286 0
ath9k_common 13783 1 ath9k
ath9k_hw 398520 2 ath9k_common,ath9k
snd_seq 51280 2 snd_seq_midi_event,snd_seq_midi
ath 19187 3 ath9k_common,ath9k,ath9k_hw
uvcvideo 71279 0
videobuf2_vmalloc 12920 1 uvcvideo
snd_seq_device 14137 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 24411 2 snd_pcm,snd_seq
mac80211 526519 1 ath9k
videobuf2_memops 13042 1 videobuf2_vmalloc
videobuf2_core 39161 1 uvcvideo
psmouse 81038 0
cfg80211 436177 3 ath,ath9k,mac80211
videodev 95806 2 uvcvideo,videobuf2_core
serio_raw 13031 0
snd 56485 16
snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_idt,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device
shpchp 32129 0
soundcore 12600 1 snd
btusb 17986 0
joydev 17097 0
nvidia 8494194 31
parport_pc 27504 0
wmi 18590 1 hp_wmi
ppdev 12817 0
rfcomm 37420 16
bnep 17669 2
bluetooth 202069 22 bnep,btusb,rfcomm
mac_hid 13037 0
drm 228750 2 nvidia
binfmt_misc 17260 1
i2c_nforce2 12876 0
lp 13299 0
parport 40753 3 lp,ppdev,parport_pc
vesafb 13500 1
hid_logitech_dj 18172 0
usbhid 41805 1 hid_logitech_dj
hid 82666 2 usbhid,hid_logitech_dj
forcedeth 61777 0
ahci 25507 2
libahci 26108 1 ahci
video 18894 0
Best regards,
Stéphane d'Amico
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