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Thread: Wireless connection freezes the computer

  1. #1
    Join Date
    Aug 2009
    Location
    Singapore
    Posts
    6

    Unhappy Wireless connection freezes the computer

    Hi,

    Whenever I connect to my school networks, after a while my computer freezes, everything is locked and caps lock blinks.

    There are two networks in my school. Both gives causes to crash. One is WEP + PEAP with Thawte Certificate. Other one is open network.

    However it works perfectly fine at home where I have just WEP with no authentication.

    Any helps?

    I think it might be about something wrong with my wireless driver (my card is Intel 3945ABG)

    I have been using OpenSuse for few months. I used to be a RedHat stream fan however OpenSuse changed it completely I do not want to change my distribution and need help seriously.

    -bilgehan

  2. #2
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,235

    Default Re: Wireless connection freezes the computer

    mrantims wrote:
    > Hi,
    >
    > Whenever I connect to my school networks, after a while my computer
    > freezes, everything is locked and caps lock blinks.
    >
    > There are two networks in my school. Both gives causes to crash. One is
    > WEP + PEAP with Thawte Certificate. Other one is open network.
    >
    > However it works perfectly fine at home where I have just WEP with no
    > authentication.
    >
    > Any helps?
    >
    > I think it might be about something wrong with my wireless driver (my
    > card is Intel 3945ABG)
    >
    > I have been using OpenSuse for few months. I used to be a RedHat stream
    > fan however OpenSuse changed it completely I do not want to change my
    > distribution and need help seriously.


    Try installing the compat-wireless package for your kernel. To do
    this, you will need to enable the repository at
    http://download.opensuse.org/reposit...E_11.1_Update/

    This package will have the latest version of the 3945 driver.

  3. #3

    Default Re: Wireless connection freezes the computer

    Two little corrections.

    a) compat-wireless was removed from my home-Repo, it is available via

    Index of /repositories/home:/Akoellh:/compat-wireless_STABLE

    or

    Index of /repositories/driver:/wireless

    respectively (both contain the same drivers).

    b) The drivers are not the "bleeding edge" ones, they are based on 2.6.30 from

    stable - Linux Wireless

    and patched to the most recent version of 2.6.30 considering the wireless code in that package (they are 2.6.30.6 ATM, although the recent kernel of the 2.6.30 series is 2.6.30.7 as there were no changes in the respective files when going to 2.6.30.7).

    If you want (need) completely bleeding edge drivers, then go for

    Software.openSUSE.org

    and search for "compat-wireless" there, there are in fact several other people offering compat-wireless packages, their state can be identified by the date in the filenames.

    //Edit:

    Just saw, that 2.6.30.8 was released a few days ago and there were two changes to the drivers/modules (cfg80211 and ath5k), so the package will soon bee also updated to 2.6.30.8.

  4. #4
    Join Date
    Aug 2008
    Location
    Brooklyn, NY
    Posts
    180

    Default Re: Wireless connection freezes the computer

    Are you certain the issue is the network driver? Do you use any other software while at school?

    If you think the problem is the driver you can see if the same issue occurs using ndiswrapper and windows driver. You might not be able to suspend/resume and there might be other issues with that approach but you should be able to pinpoint the driver as the cause.

  5. #5

    Default Re: Wireless connection freezes the computer

    Quote Originally Posted by Akoellh View Post
    Just saw, that 2.6.30.8 was released a few days ago and there were two changes to the drivers/modules (cfg80211 and ath5k), so the package will soon bee also updated to 2.6.30.8.
    Changes committed and packages building ATM.

    If nothing goes wrong, they will be available in a few hours.

  6. #6
    Join Date
    Aug 2009
    Location
    Singapore
    Posts
    6

    Default Re: Wireless connection freezes the computer

    Wow, very fast respond.
    I will try the compat-wireless first. I use exactly the same set of applications: banshee, firefox and pidgin both at home and at school.

    @akoellh: impressive.

    community working 7/24 on developing, releasing and helping. linux rocks!!!

  7. #7
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,235

    Default Re: Wireless connection freezes the computer

    Akoellh wrote:
    > Two little corrections.
    >
    > a) compat-wireless was removed from my home-Repo, it is available via
    >
    > 'Index of /repositories/home:/Akoellh:/compat-wireless_STABLE'
    > (http://tinyurl.com/yevc4s6)
    >
    > or
    >
    > 'Index of /repositories/driver:/wireless'
    > (http://download.opensuse.org/reposit...ver:/wireless/)
    >
    > respectively (both contain the same drivers).
    >
    > b) The drivers are not the "bleeding edge" ones, they are based on
    > 2.6.30 from
    >
    > 'stable - Linux Wireless'
    > (http://www.linuxwireless.org/en/users/Download/stable/)
    >
    > and patched to the most recent version of 2.6.30 considering the
    > wireless code in that package (they are 2.6.30.6 ATM, although the
    > recent kernel of the 2.6.30 series is 2.6.30.7 as there were no changes
    > in the respective files when going to 2.6.30.7).
    >
    > If you want (need) completely bleeding edge drivers, then go for
    >
    > 'Software.openSUSE.org' (http://software.opensuse.org/search)


    I assume that there is a good reason for not using the bleeding-edge
    drivers. For the Broadcom 4315 devices, one needs them.

  8. #8

    Default Re: Wireless connection freezes the computer

    Quote Originally Posted by lwfinger View Post
    I assume that there is a good reason for not using the bleeding-edge
    drivers. For the Broadcom 4315 devices, one needs them.
    The package has some other drivers added, which I could not get to build with the bleeding edge drivers, one of them is ar9070 in a version shortly before it was officially included into compat-wireless.

    The reason for including that older version is simply, that this one could be built against 2.6.27 (openSUSE 11.1), the code included in compat-wireless does not build with kernel < 2.6.29, so I would have to exclude that driver in a bleeding edge package.

    The package itself has become quite a "monster" over time and switching to code from >= 2.6.31 will be a lot of work in reviewing/adapting patches, so that package won't be updated to code from >= 2.6.31, but if I find the time I might be offering another "branch" with more recent code.

    As several other repos offer bleeding edge drivers in their compat-wireless packages, this "branch" is on my "TODO"-list, but it's not among the most urgent ones.

  9. #9
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
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    Default Re: Wireless connection freezes the computer

    On 10/01/2009 02:26 PM, Akoellh wrote:
    >
    > lwfinger;2046464 Wrote:
    >>
    >> I assume that there is a good reason for not using the bleeding-edge
    >> drivers. For the Broadcom 4315 devices, one needs them.

    >
    > The package has some other drivers added, which I could not get to
    > build with the bleeding edge drivers, one of them is ar9070 in a version
    > shortly before it was officially included into compat-wireless.
    >
    > The reason for including that older version is simply, that this one
    > could be built against 2.6.27 (openSUSE 11.1), the code included in
    > compat-wireless does not build with kernel < 2.6.29, so I would have to
    > exclude that driver in a bleeding edge package.
    >
    > The package itself has become quite a "monster" over time and switching
    > to code from >= 2.6.31 will be a lot of work in reviewing/adapting
    > patches, so that package won't be udated to code from >= 2.6.31, but if
    > I find the time I might be offering another "branch" with more recent
    > code.


    I agree that it is a monster; however, I built it against 2.6.31-10
    from 11.2 M8 this morning so that my Broadcom 4315 would work. All the
    drivers built OK. I have only used b43 so far.

    I will boot 2.6.27 in 11.1 and see what needs to be done to get it to
    build. According to the wiki, it should just work. I'll send you any
    patches that might be needed.

  10. #10

    Default Re: Wireless connection freezes the computer

    Well, although I had something else in mind when speaking of a "monster" (actually I meant my set of patches which have gone into the RPM file to add extra drivers, device IDs and change configs to include those extra drivers, etc ...), recent version of bleeding edge also (just) turned out to be a beast.

    Tried with several snapshots (from 2009-09-19 to 2009-09-030) and all fail very early here against 2.6.27.29 on 11.1:

    Code:
    make
    ./scripts/gen-compat-autoconf.sh config.mk > include/linux/compat_autoconf.h
    make -C /lib/modules/2.6.27.29-0.1-default/build M=/tmp/compat-wireless-2009-09-19 modules
    make[1]: Entering directory `/usr/src/linux-2.6.27.29-0.1-obj/x86_64/default'
    make -C ../../../linux-2.6.27.29-0.1 O=/usr/src/linux-2.6.27.29-0.1-obj/x86_64/default/. modules
      LD      /tmp/compat-wireless-2009-09-19/drivers/misc/eeprom/built-in.o
      CC [M]  /tmp/compat-wireless-2009-09-19/drivers/misc/eeprom/eeprom_93cx6.o
    In file included from /tmp/compat-wireless-2009-09-19/include/net/compat.h:19,
                     from <command-line>:0:
    /tmp/compat-wireless-2009-09-19/include/net/compat-2.6.28.h:152: error: redefinition of ‘struct tracepoint’
    In file included from /tmp/compat-wireless-2009-09-19/include/net/compat.h:19,
                     from <command-line>:0:
    /tmp/compat-wireless-2009-09-19/include/net/compat-2.6.28.h:182:1: warning: "DEFINE_TRACE" redefined
    In file included from /usr/src/linux-2.6.27.29-0.1/include/linux/module.h:19,
                     from /usr/src/linux-2.6.27.29-0.1/include/linux/textsearch.h:7,
                     from /usr/src/linux-2.6.27.29-0.1/include/linux/skbuff.h:26,
                     from /tmp/compat-wireless-2009-09-19/include/net/compat-2.6.28.h:10,
                     from /tmp/compat-wireless-2009-09-19/include/net/compat.h:19,
                     from <command-line>:0:
    /usr/src/linux-2.6.27.29-0.1/include/linux/tracepoint.h:86:1: warning: this is the location of the previous definition
    /tmp/compat-wireless-2009-09-19/include/net/compat-2.6.28.h:186: error: redefinition of ‘tracepoint_update_probe_range’
    What looks a little odd to me is the reference to "compat-2.6.28.h" on a system running a 2.6.27.

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