From: Eric Dumazet <eric.dumazet@gmail.com>
To: Stephan Raue <mailinglists@openelec.tv>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-3.0-rc4, wlan0 device is not showing with ifconfig
Date: Mon, 27 Jun 2011 19:29:07 +0200 [thread overview]
Message-ID: <1309195747.2532.81.camel@edumazet-laptop> (raw)
In-Reply-To: <4E08A4C9.60709@openelec.tv>
Le lundi 27 juin 2011 à 17:42 +0200, Stephan Raue a écrit :
> Hi,
>
> running linux-3.0-rc4 my wlan0 device is not showing with ifconfig, even
> if the driver (r8712u) loads successfull.
>
> strace ifconfig shows:
>
> ioctl(3, SIOCGIFFLAGS, {ifr_name="wlan0",
> ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0
> ioctl(3, SIOCGIFHWADDR, {ifr_name="wlan0",
> ifr_hwaddr=80:1f:02:0b:5d:9a}) = 0
> ioctl(3, SIOCGIFMETRIC, {ifr_name="wlan0", ifr_metric=0}) = 0
> ioctl(3, SIOCGIFMTU, {ifr_name="wlan0", ifr_mtu=1500}) = 0
> ioctl(3, SIOCGIFMAP, {ifr_name="wlan0", ifr_map={mem_start=0, mem_end=0,
> base_addr=0, irq=0, dma=0, port=0}}) = 0
> ioctl(3, SIOCGIFTXQLEN, {ifr_name="wlan0", ifr_qlen=1000}) = 0
> ioctl(3, SIOCGIFADDR, {ifr_name="wlan0", ???}) = -1 EADDRNOTAVAIL
> (Cannot assign requested address)
> close(3) = 0
>
> the interface will be shown after i setup a ipadress manually:
>
> ifconfig wlan0 192.68.0.13
> strace ifconfig
>
> ioctl(3, SIOCGIFFLAGS, {ifr_name="wlan0",
> ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST}) = 0
> ioctl(3, SIOCGIFHWADDR, {ifr_name="wlan0",
> ifr_hwaddr=80:1f:02:0b:5d:9a}) = 0
> ioctl(3, SIOCGIFMETRIC, {ifr_name="wlan0", ifr_metric=0}) = 0
> ioctl(3, SIOCGIFMTU, {ifr_name="wlan0", ifr_mtu=1500}) = 0
> ioctl(3, SIOCGIFMAP, {ifr_name="wlan0", ifr_map={mem_start=0, mem_end=0,
> base_addr=0, irq=0, dma=0, port=0}}) = 0
> ioctl(3, SIOCGIFTXQLEN, {ifr_name="wlan0", ifr_qlen=1000}) = 0
> ioctl(3, SIOCGIFADDR, {ifr_name="wlan0", ifr_addr={AF_INET,
> inet_addr("168.0.0.13")}}) = 0
> ioctl(3, SIOCGIFDSTADDR, {ifr_name="wlan0", ifr_dstaddr={AF_INET,
> inet_addr("168.0.0.13")}}) = 0
> ioctl(3, SIOCGIFBRDADDR, {ifr_name="wlan0", ifr_broadaddr={AF_INET,
> inet_addr("168.0.255.255")}}) = 0
> ioctl(3, SIOCGIFNETMASK, {ifr_name="wlan0", ifr_netmask={AF_INET,
> inet_addr("255.255.0.0")}}) = 0
>
> is this problem known and is there a fix for this?
Pretty normal behavior, if your device is not "UP"
To see all devices, even DOWN ones, use "ifconfig -a"
prev parent reply other threads:[~2011-06-27 17:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-27 15:42 Stephan Raue
2011-06-27 17:29 ` Eric Dumazet [this message]
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