2011/8/23 Roland Vossen <rvossen@xxxxxxxxxxxx>: > Hello Camaleón, > >>> $ iw wlan0 scan >> >> root@stt300:~# iw wlan0 scan >> command failed: Device or resource busy (-16) > > couple more requests: > > can you send me the output of 'sudo ps -A' ? > > can you issue a '$ iwlist channel' and a '$ iwlist scanning' ? Sure, see them attached to this e-mail. P.S: I still have the working kernel 2.6.39 available in my system and can boot with it, just in case you want to make any comparison. Greetings, -- Camaleón
root@stt300:~# ps -A PID TTY TIME CMD 1 ? 00:00:00 init 2 ? 00:00:00 kthreadd 3 ? 00:00:00 ksoftirqd/0 4 ? 00:00:00 kworker/0:0 5 ? 00:00:00 kworker/u:0 6 ? 00:00:00 migration/0 7 ? 00:00:00 watchdog/0 8 ? 00:00:00 migration/1 9 ? 00:00:00 kworker/1:0 10 ? 00:00:00 ksoftirqd/1 11 ? 00:00:00 kworker/0:1 12 ? 00:00:00 watchdog/1 13 ? 00:00:00 cpuset 14 ? 00:00:00 khelper 15 ? 00:00:00 netns 16 ? 00:00:00 sync_supers 17 ? 00:00:00 bdi-default 18 ? 00:00:00 kintegrityd 19 ? 00:00:00 kblockd 20 ? 00:00:00 kworker/1:1 21 ? 00:00:00 khungtaskd 22 ? 00:00:00 kswapd0 23 ? 00:00:00 ksmd 24 ? 00:00:00 khugepaged 25 ? 00:00:00 fsnotify_mark 26 ? 00:00:00 crypto 29 ? 00:00:00 kworker/0:2 128 ? 00:00:00 ata_sff 130 ? 00:00:00 scsi_eh_0 131 ? 00:00:00 scsi_eh_1 132 ? 00:00:00 scsi_eh_2 133 ? 00:00:00 scsi_eh_3 134 ? 00:00:00 kworker/u:1 135 ? 00:00:00 kworker/u:2 136 ? 00:00:00 kworker/u:3 137 ? 00:00:00 kworker/u:4 169 ? 00:00:00 reiserfs 230 ? 00:00:00 udevd 424 ? 00:00:00 kpsmoused 430 ? 00:00:00 kworker/1:2 462 ? 00:00:00 khubd 466 ? 00:00:00 cfg80211 491 ? 00:00:00 hd-audio0 971 ? 00:00:00 rpcbind 1105 ? 00:00:00 rsyslogd 1130 ? 00:00:00 dbus-daemon 1141 ? 00:00:00 acpi_fakekeyd 1145 ? 00:00:00 NetworkManager 1154 ? 00:00:00 modem-manager 1159 ? 00:00:00 polkitd 1164 ? 00:00:00 flush-8:0 1168 ? 00:00:00 wpa_supplicant 1176 ? 00:00:00 gdm3 1188 ? 00:00:00 gdm-simple-slav 1192 ? 00:00:00 acpid 1205 ? 00:00:00 anacron 1209 tty7 00:00:01 Xorg 1221 ? 00:00:00 atd 1233 ? 00:00:00 avahi-daemon 1234 ? 00:00:00 avahi-daemon 1244 ? 00:00:00 bluetoothd 1249 ? 00:00:00 l2cap 1254 ? 00:00:00 krfcommd 1307 ? 00:00:00 cron 1334 ? 00:00:00 udevd 1335 ? 00:00:00 udevd 1339 ? 00:00:00 cupsd 1395 ? 00:00:00 gdm-session-wor 1599 ? 00:00:00 console-kit-dae 1667 ? 00:00:00 kauditd 1681 ? 00:00:00 exim4 1688 ? 00:00:00 x-session-manag 1705 ? 00:00:00 kerneloops 1795 ? 00:00:00 sshd 1820 ? 00:00:00 ssh-agent 1823 ? 00:00:00 dbus-launch 1824 ? 00:00:00 dbus-daemon 1845 tty1 00:00:00 getty 1846 tty2 00:00:00 getty 1847 tty3 00:00:00 getty 1848 tty4 00:00:00 getty 1849 tty5 00:00:00 getty 1850 tty6 00:00:00 getty 1855 ? 00:00:00 gconfd-2 1861 ? 00:00:00 gnome-keyring-d 1863 ? 00:00:00 gnome-power-man 1865 ? 00:00:00 gnome-settings- 1874 ? 00:00:00 upowerd 1948 ? 00:00:00 gvfsd 1951 ? 00:00:00 metacity 1955 ? 00:00:00 gvfs-gdu-volume 1957 ? 00:00:00 udisks-daemon 1958 ? 00:00:00 gnome-panel 1959 ? 00:00:00 udisks-daemon 1962 ? 00:00:00 gvfs-gphoto2-vo 1964 ? 00:00:00 gvfs-afc-volume 1967 ? 00:00:01 nautilus 1969 ? 00:00:00 bonobo-activati 1971 ? 00:00:00 kerneloops-appl 1972 ? 00:00:00 python 1975 ? 00:00:00 bluetooth-apple 1984 ? 00:00:00 mixer_applet2 1985 ? 00:00:00 gdu-notificatio 1986 ? 00:00:00 evolution-alarm 1988 ? 00:00:00 polkit-gnome-au 1993 ? 00:00:00 nm-applet 1994 ? 00:00:00 update-notifier 1996 ? 00:00:00 gnome-screensav 2008 ? 00:00:00 e-calendar-fact 2013 ? 00:00:00 gvfsd-trash 2033 ? 00:00:00 gvfsd-burn 2041 ? 00:00:00 gvfsd-metadata 2048 ? 00:00:00 aptd 2056 ? 00:00:01 gnome-terminal 2061 ? 00:00:00 gnome-pty-helpe 2062 pts/0 00:00:00 bash 2110 pts/0 00:00:00 su 2118 pts/0 00:00:00 bash 2167 pts/0 00:00:00 ps
root@stt300:~# iwlist channel lo no frequency information. eth0 no frequency information. wlan0 13 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Channel 12 : 2.467 GHz Channel 13 : 2.472 GHz
root@stt300:~# iwlist scanning lo Interface doesn't support scanning. eth0 Interface doesn't support scanning. wlan0 Interface doesn't support scanning : Device or resource busy