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Thread: kernel panic every few minutes

  1. #1
    vegittoss15 NNTP User

    Default kernel panic every few minutes


    Upon starting my machine and logging in....I seem to get a KP afer a few
    minutes of use. This problem started yesterday evening. I'm not doing
    anything special to cause the problem, however, I think it may be linked
    to either NetworkManager or the iwlagn driver. Any and all help would be
    appreciated and please let me know if you need more information.

    Distro:
    OpenSuSE 11.1 x86_64

    Computer:
    HP Pavilion DV9500t CTO
    Intel Core 2 Duo T7500 @ 2.2 GHz
    2 GB RAM
    Intel 4965 WLAN chip


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  2. #2
    erikro NNTP User

    Default Re: kernel panic every few minutes


    Hi,

    vegittoss15;1926576 Wrote:
    > Upon starting my machine and logging in....I seem to get a KP afer a few
    > minutes of use. This problem started yesterday evening. I'm not doing
    > anything special to cause the problem, however, I think it may be linked
    > to either NetworkManager or the iwlagn driver. Any and all help would be
    > appreciated and please let me know if you need more information.
    >
    > Distro:
    > OpenSuSE 11.1 x86_64
    >
    > Computer:
    > HP Pavilion DV9500t CTO
    > Intel Core 2 Duo T7500 @ 2.2 GHz
    > 2 GB RAM
    > Intel 4965 WLAN chip


    Highly recommended: Backup all your files immediatly if you don't have
    an actual one! I had three times that problem and it was three times a
    problem with my hard disk.

    What does /var/log/messages say?

    hth

    bye

    Erik


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  3. #3
    smpoole7 NNTP User

    Default Re: kernel panic every few minutes


    As the previous poster said: back up! I've had this happen with a bad
    sector on the hard drive.

    Use a "live" CD to do the backup to a flash drive, if you can. That's
    what I'd recommend.

    Curiosity: does it complete booting? Do you get to a desktop before the
    panic? Or does it seem to crash at the same point each time? If the
    latter, that's another strong indicator that it's the hard drive (in
    fact, be prepared to get an error when you start the backup; you may
    lose some files).

    Otherwise, the "live" CD makes another nice test: if you get the panics
    at seeming random, you may have a hardware problem. Check for a loose
    cable or a RAM stick that needs to be popped back into place more
    firmly.


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  4. #4
    vegittoss15 NNTP User

    Default Re: kernel panic every few minutes


    I've rmmod'd iwlagn as well as the vmware modules (vmmon and vmci) and
    the machine's been running for 6+ hrs.

    EDIT:
    Now running on iwlagn, will report back on status in 8 hours.


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  5. #5
    vegittoss15 NNTP User

    Default Re: kernel panic every few minutes


    smpoole7;1926645 Wrote:
    > As the previous poster said: back up! I've had this happen with a bad
    > sector on the hard drive.
    >
    > Use a "live" CD to do the backup to a flash drive, if you can. That's
    > what I'd recommend.
    >
    > Curiosity: does it complete booting? Do you get to a desktop before the
    > panic? Or does it seem to crash at the same point each time? If the
    > latter, that's another strong indicator that it's the hard drive (in
    > fact, be prepared to get an error when you start the backup; you may
    > lose some files).
    >
    > Otherwise, the "live" CD makes another nice test: if you get the panics
    > at seeming random, you may have a hardware problem. Check for a loose
    > cable or a RAM stick that needs to be popped back into place more
    > firmly.


    It completes booting every time and a LiveCD test run with Kubuntu
    presents no issues while attempting to do the same internet activities
    (browsing youtube & chat, etc....) However, when it may panic is
    entirely up to how much internet activity I give my computer. Running on
    iwlagn for the past 3 hours or so seems to have panicked my kernel once
    again.


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  6. #6
    smpoole7 NNTP User

    Default Re: kernel panic every few minutes


    Huh. I wonder if the network driver is the issue?


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  7. #7
    vegittoss15 NNTP User

    Default Re: kernel panic every few minutes


    The thing is....it just started happening randomly. So that's why I'm
    wondering what the issue is.


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  8. #8
    smpoole7 NNTP User

    Default Re: kernel panic every few minutes


    I assume that you've already run an fsck? I'm back to the theory that
    some part of that hard drive is corrupted. You may have developed some
    bad sectors *since* the install.

    The clue is that it doesn't seem to do it on the live CD (if I'm
    reading you correctly). Maybe the live CD isn't touching the bad part of
    the drive.

    Here's a great description for checking a drive thoroughly: 'Jon
    Grant's Technorama: Check (fsck) your GNU-Linux filesystems! (ext2/ext3
    & FAT)' (http://jguk.org/2007/11/check-your-filesystems.html). Other
    articles online will suggest that you try to download a check utility
    from your hard drive manufacturer's Website.

    And by the way ... speaking from hard experience ... if you find more
    than a few bad sectors, it's time to replace that hard drive. It's dying
    and just hasn't had the good grace to lay down yet.


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  9. #9
    vegittoss15 NNTP User

    Default Re: kernel panic every few minutes


    Well, I had left my machine on the kernel messages console after I
    modprobe'd iwlagn again. There was a stack trace just as I had expected.
    Further research during the day revealed that a fix had been implemented
    since before the 11.1 release of OpenSuSE. The fix included a new
    version of the iwl uCode, which I am running right now without any
    issues for the past 4+ hrs. I discarded the HDD theory since SMART
    revealed no problems and I've always been told by SMART of a failing
    drive ahead of time . The bugzilla page for this bug can be found
    http://www.intellinuxwireless.org/bu...ug.cgi?id=1703.


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  10. #10
    smpoole7 NNTP User

    Default Re: kernel panic every few minutes


    Hah!! Glad you solved it! So it WASN'T the hard drive.

    Stuff like that can be a booger to run down .. .. ..


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