Re: Device or resource busy

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Hi,

On Thu, Jan 22, 2015 at 10:58:32PM +0100, Maciej Wasilak wrote:
...
> socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
> access("/proc/net/if_inet6", R_OK)      = 0
> socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP) = 5
> access("/proc/net/ax25", R_OK)          = -1 ENOENT (No such file or directory)
> access("/proc/net/nr", R_OK)            = -1 ENOENT (No such file or directory)
> access("/proc/net/rose", R_OK)          = -1 ENOENT (No such file or directory)
> access("/proc/net/ipx", R_OK)           = -1 ENOENT (No such file or directory)
> access("/proc/net/appletalk", R_OK)     = -1 ENOENT (No such file or directory)
> access("/proc/sys/net/econet", R_OK)    = -1 ENOENT (No such file or directory)
> access("/proc/sys/net/ash", R_OK)       = -1 ENOENT (No such file or directory)
> access("/proc/net/x25", R_OK)           = -1 ENOENT (No such file or directory)
> ioctl(4, SIOCGIFFLAGS, {ifr_name="wpan0",
> ifr_flags=IFF_UP|IFF_BROADCAST|IFF_RUNNING|IFF_NOARP}) = 0
> ioctl(4, SIOCSIFFLAGS, {ifr_name="wpan0",
> ifr_flags=IFF_BROADCAST|IFF_RUNNING|IFF_NOARP}) = 0
> exit_group(0)                           = ?
> 

I see no issues here. The values also readback and there is no "IFF_UP"
in the last ioctl of file descriptor 4.

Do you are sure that there is no daemon running or something else which
automatically ifup the interface again if you want to set it down? Maybe
just mv the /etc/$NETWORKING_STUFF into a separate directory and try again.

- Alex
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