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  1. #1
    Join Date
    Dec 2010
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    48

    Question ASUS USB-N13 adapter stopped working after upgrade

    I am running Fedora 14. I've had an ASUS wireless adapter working for a few months now, with no problems. Today, I installed updates, one of which required a computer reboot (not just logging out and back in). I rebooted the computer, and when it came back up, the wireless adapter did not work.The adapter is visible after lsusb, but there is no wireless showing after iwconfig. What happened? How do I fix it?
    Last edited by Ahk1N2; 12th April 2011 at 10:38 PM.

  2. #2
    Join Date
    Jun 2006
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    7,548

    Re: ASUS USB-N13 adapter stopped working after upgrade

    Who knows, but it sure sounds like a kmod driver package related to a new kernel did not get updated. But you should know if it were that. You would have had to install such a driver in the first place. Or, the wireless adapter could be using a built-in driver module that is busted in a new kernel, but that kind of thing is rare IMO. Anyway, try rebooting into a previous kernel and see if the wireless works. If it does, then begin the process of figuring out what happened to the wireless driver in the new kernel. I would start by identifying what wireless driver was being used and if its packages are installed for the new kernel. See if the wireless module is being loaded when booted into the new kernel. Things like that.

  3. #3
    Join Date
    Dec 2010
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    48

    Re: ASUS USB-N13 adapter stopped working after upgrade

    I know that I installed the kmod module. But, I was highly directed. As a new user of Linux, I'm still learning my way around. How do I find out what the kernel is, reboot in the previous kernel, and identify the kmod on my system?

  4. #4
    Join Date
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    Re: ASUS USB-N13 adapter stopped working after upgrade

    Some things you can do to gather up information to piece together...

    You may be able to identify the wireless device's "vendor:device" numbers with this....
    Code:
    lsusb
    You can see the currently running kernel with this...
    Code:
    uname -r
    See the installed kernels and kmods with this (the kernels should have kmods and the versions should make sense)...
    Code:
    rpm -qa | grep -e kernel -e kmod | sort
    You can see the loaded driver modules with this (look for a wireless module)...
    Code:
    lsmod | sort
    You can reboot into a previous kernel to test the wireless there by pressing a key during the splashscreen countdown. The GRUB boot menu may have multiple Fedora kernels listed. Choose an old one. See if the wireless still works with it. See how (or if) the lsmod output differs between kernels with and without wireless.

  5. #5
    Join Date
    Dec 2010
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    48

    Re: ASUS USB-N13 adapter stopped working after upgrade

    Did that, and got:

    [MusicGuy@MusicRoom ~]$ uname -r
    2.6.35.12-88.fc14.i686
    [MusicGuy@MusicRoom ~]$ rpm -qa | grep -e kernel -e kmod | sort
    abrt-addon-kerneloops-1.1.17-1.fc14.i686
    kernel-2.6.35.11-83.fc14.i686
    kernel-2.6.35.12-88.fc14.i686
    kernel-2.6.35.6-45.fc14.i686
    kmod-rt3070-2.6.35.11-83.fc14.i686-2.3.0.4-1.fc14.8.i686
    libmikmod-3.2.0-11.beta2.fc14.i686
    [MusicGuy@MusicRoom ~]$ lsmod | sort
    acpi_cpufreq 6285 1
    ata_generic 2399 0
    capi 10620 0
    capifs 2374 2 capi
    cpufreq_ondemand 7262 8
    crc_itu_t 1235 1 firewire_core
    drm 139248 5 radeon,ttm,drm_kms_helper
    drm_kms_helper 22278 1 radeon
    e1000e 161835 0
    edac_core 33188 3 i7core_edac
    firewire_core 37873 1 firewire_ohci
    firewire_ohci 17697 0
    fuse 51887 3
    i2c_algo_bit 4197 1 radeon
    i2c_core 21552 5 i2c_i801,radeon,drm_kms_helper,drm,i2c_algo_bit
    i2c_i801 9016 0
    i7core_edac 12927 0
    ip6table_filter 1207 1
    ip6_tables 9929 1 ip6table_filter
    ip6t_REJECT 3470 2
    ipv6 229581 51 ip6t_REJECT,nf_conntrack_ipv6
    iTCO_vendor_support 2070 1 iTCO_wdt
    iTCO_wdt 8960 0
    joydev 7306 0
    kernelcapi 28157 1 capi
    microcode 11067 0
    Module Size Used by
    mperf 1141 1 acpi_cpufreq
    nf_conntrack_ipv6 14441 7
    pata_acpi 2331 0
    pata_jmicron 1743 0
    radeon 556983 3
    serio_raw 3589 0
    snd 47397 12 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec, snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
    snd_hda_codec 71701 3 snd_hda_codec_atihdmi,snd_hda_codec_realtek,snd_hd a_intel
    snd_hda_codec_atihdmi 2043 1
    snd_hda_codec_realtek 210796 1
    snd_hda_intel 20163 2
    snd_hwdep 4795 1 snd_hda_codec
    snd_page_alloc 6180 2 snd_hda_intel,snd_pcm
    snd_pcm 61769 2 snd_hda_intel,snd_hda_codec
    snd_seq 43435 0
    snd_seq_device 5056 1 snd_seq
    snd_timer 15435 2 snd_seq,snd_pcm
    soundcore 5088 1 snd
    sunrpc 165546 1
    tcp_lp 1779 0
    ttm 45014 1 radeon
    uinput 5228 0
    usb_storage 35815 0
    wmi 6667 0

    Rebooted the pc into the previous kernel, and ASUS is working. I don't know enough to see if the kmod and kernel are compatible or not. Ideas?

  6. #6
    Join Date
    Jun 2006
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    Re: ASUS USB-N13 adapter stopped working after upgrade

    The newest kernel (which you were using when you ran the uname command) does not have a kmod package, and no wireless module was listed with lsmod. Now that you've rebooted into the previous kernel, and the wireless is working, try a simple yum update. If you notice that it installs the kmod-rt3070 package for the new kernel, then reboot back into the new kernel and try the wireless.

  7. #7
    Join Date
    Dec 2010
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    48

    Re: ASUS USB-N13 adapter stopped working after upgrade

    Not to be dense, but how do I do a yum update? Just "yum update kmod"?

  8. #8
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    Jun 2006
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    Re: ASUS USB-N13 adapter stopped working after upgrade

    Maybe yum update kmod-rt3070 or yum update kmod*. But I would go ahead and do a system update.
    Code:
    su
    yum update

  9. #9
    Join Date
    Dec 2010
    Posts
    48

    Re: ASUS USB-N13 adapter stopped working after upgrade

    Thanks. I did that, but there are no updates available. I get updates automatically, and I'll manually check too. Another related question - are TP-Link wireless adapters supported by Fedora? I think that they have Atheros chipsets.

  10. #10
    Join Date
    Jun 2006
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    Re: ASUS USB-N13 adapter stopped working after upgrade

    There is a kmod-rt3070 available for your new kernel in the RPM Fusion repo...Maybe you never installed the RPM Fusion repos. Check...
    Code:
    yum repolist
    If they're not installed and enabled, then install them...Update again. That could explain this whole thing going on here.

    Or you can try manually downloading and installing that package. Even if that works, you still need to install the repos.

  11. #11
    Join Date
    Dec 2010
    Posts
    48

    Re: ASUS USB-N13 adapter stopped working after upgrade

    I manually updated the kmod-rt3070. After yum repolist I got:

    Loaded plugins: langpacks, presto, refresh-packagekit
    Adding en_US to language list
    repo id repo name status
    Dropbox Dropbox Repository 4
    adobe-linux-i386 Adobe Systems Incorporated 18
    fedora Fedora 14 - i386 17,883
    rpmfusion-free RPM Fusion for Fedora 14 - Free 364
    rpmfusion-free-updates RPM Fusion for Fedora 14 - Free - Updates 504
    rpmfusion-nonfree RPM Fusion for Fedora 14 - Nonfree 176
    rpmfusion-nonfree-updates RPM Fusion for Fedora 14 - Nonfree - Updates 267
    updates Fedora 14 - i386 - Updates 6,217
    repolist: 25,433

    It looks like it should have updated. Oh well, it's working now. Thanks for the help.

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