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Thread: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

  1. #1
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    9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    I'm currently trying to install 9.10 on my Toshiba Satellite T115-S110. Specs are as follows:

    Code:
    Video: Intel GMA 4500M
    
    Wireless: Realtek Semiconductor Co., Ltd. RTL8187SE Wireless Lan Controller (rev 22)
    
    Ethernet: Attansic Technology Corp. Atheros AR8132 / L1c Gigabit Ethernet Adapter (rev c0)
    
    PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
    
    ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller (rev 03)
    SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
    SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
    Originally I was having trouble just running the Live Cd as it would always Kernel Panic before ever getting to the Desktop environment.

    I discovered that by disabling the wireless card in the BIOS the Live CD works just fine. It has no trouble proceeding with the installation in this state as well.

    However, as soon as I re-enable the wireless card, it just Kernel Panic's on me again.

    My best guess is that there's some kind of conflict with the wireless driver and some other unknown process.

    Anyone have any ideas as to what might be causing this? Or better yet, something that might fix this?

    Any help is greatly appreciated.

    edit: Here's what the Kernel Panic says -
    Code:
    [17.529523] Kernel panic - not syncing: HwThreeWire(): CmdReg: 0XFF RE|WE bits are not clear!!
    [17.529525]
    [17.544365][drm:intelfb_panic] *ERROR* panic occurred, switching back to text console
    Last edited by anchor; November 5th, 2009 at 11:48 PM. Reason: Clarification

  2. #2
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    Ok making some progress:

    Blacklisting rtl8187se enables Ubuntu to boot without a problem.

    I'm convinced it's a problem with the driver. Gonna try ndiswrapper and see if it still freaks out.

  3. #3
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    Ok, seems using ndiswrapper and the MSI version of the Windows Driver for the rtl8187se gets it working perfectly.

    I'm still pretty curious as to why the native Linux version performs so poorly?

    Anyway, this should help anyone else who picks up the Toshiba Satellite T115-S1100 and wants to run Linux.

  4. #4
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    I have a t115 as well and am trying to get the wireless going. Which driver did you use in the msi driver zip? the one for xp? I have tried all of the drivers - my wireless is on but only sees but does not connect to my home wireless network. At least windows 7 garbage is off and ubuntu no longer kernel panics.

  5. #5
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    I should have been more clear, sorry about that.

    Yeah, I used ndisgtk (in the repos) to install the .inf in the "WINXP2K" folder.

    It should bear reminding that once you blacklist rtl8187se, you should re-enable the Wireless card in the BIOS.

    I made that mistake when I was first figuring it out.

    Also, I haven't tried it with a WPA connection, but WEP works just fine.

  6. #6
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    Also, I'm pretty sure we have the same model, but the wireless card in this particular unit has the following device id:

    output from "lspci -n":

    08:00.0 0280: 10ec:8199 (rev 22)

  7. #7
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    yeah I was sure to enable the wireless in the bios, and did use the winxp driver...However I am having trouble connecting to WPA; I am going to try WEP to see if it works.


    Thanks for the guide real help - this little toshiba with 9.10 really flies compared to 7.

  8. #8
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    No problem.

    I just tried connecting to a WPA connection. No go...

    I'd really like to figure out what's causing the native driver to freak out. Not being able to connect to WPA connections is a real handicap.

  9. #9
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    i've got this wireless card in my advent 4213 (rebadged msi wind) and the native driver works almost perfectly for me.

    no kernel panics, it all works wpa and all. it just times out every now and then.

    i dont know why yet but for no apparent reason my connection drops off - everything appears to still be connected but no packets go in or out of the interface. I have to disconnect from the wlan and then reconnect and then it will be fine again.

    sometimes i can go for days without a dropout, sometimes it only last a few minutes at a time. it can be very frustrating when trying to download something.

    I have been able to find very little info in this driver and only threads started by other but never answered.

    I suppose none of the helps you but i justed wanted you to know that the native driver does actually work and you should not need ndiswrapper.

    edit: this may help answer any questions you may have. straight from the horses mouth

    https://bugs.launchpad.net/ubuntu/+s...ux/+bug/246141
    Last edited by confused_user; November 11th, 2009 at 12:43 AM.

  10. #10
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    Re: 9.10 - Wifi - RTL8187SE - Causing Kernel Panic

    Thanks for the info confused user!

    Tried to compile the linked driver, but it simply wont build on Karmic Koala.

    Anyways guys, I think I figured out what was causing the problem. I think there may be a problem with when Ubuntu brings up the wireless module for the rtl8187se during boot.

    I tried disabling ndiswrapper, and reloading the original rtl8187se module after getting to the desktop. Doing that brings up the wireless connection, no kernel panic's or crashing.

    Even works on WPA networks too!

    Let me know if this works for you guys too.

    Now to figure out how to fix the loading issue...

    edit: spoke too soon, this does not work on a freshly installed system
    Last edited by anchor; November 11th, 2009 at 02:54 AM.

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