Re: 2.4.x kernel BUG at filemap.c:81

From: Marcelo Tosatti (marcelo.tosatti_at_cyclades.com)
Date: 02/09/05

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    Date:	Wed, 9 Feb 2005 11:03:20 -0200
To: Todd Shetter <tshetter-lkml@earthlink.net>

    On Wed, Feb 09, 2005 at 11:30:05AM -0500, Todd Shetter wrote:
    > Marcelo Tosatti wrote:
    >
    > >On Wed, Feb 09, 2005 at 12:15:03AM -0500, Todd Shetter wrote:
    > >
    > >
    > >>Running slackware 10 and 10.1, with kernels 2.4.26, 2.4.27, 2.4.28,
    > >>2.4.29 with highmem 4GB, and highmem i/o support enabled, I get a system
    > >>lockup. This happens in both X and console. Happens with and without my
    > >>Nvidia drivers loaded. I cannot determine what makes this bug present it
    > >>self besides highmem and high i/o support enabled. Im guessing the
    > >>system is fine until highmem is actually used to some point and then it
    > >>borks, but I really have no idea and so im just making a random guess. I
    > >>ran memtest86 for a few hours a while ago thinking that it may be bad
    > >>memory, but that did not seem to be the problem.
    > >>
    > >>If you need anymore information, or have questions, or wish me to test
    > >>anything, PLEASE feel free to contact me, I would really like to see
    > >>this bug resolved. =)
    > >>
    > >>--
    > >>Todd Shetter
    > >>
    > >>
    > >>Feb 8 19:49:31 quark kernel: kernel BUG at filemap.c:81!
    > >>Feb 8 19:49:31 quark kernel: invalid operand: 0000
    > >>Feb 8 19:49:31 quark kernel: CPU: 0
    > >>Feb 8 19:49:31 quark kernel: EIP: 0010:[<c01280d1>] Tainted: P
    > >>
    > >>
    > >
    > >Hi Todd,
    > >
    > >Why is your kernel tainted ?
    > >-
    > >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    > >the body of a message to majordomo@vger.kernel.org
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    > >Please read the FAQ at http://www.tux.org/lkml/
    > >
    > >
    > >
    > I had the nvidia 1.0-6629 driver loaded when I got that error. I
    > compiled the kernel using the slackware 10.1 config, enabled highmem 4GB
    > support, highmem i/o, and then some kernel hacking options including
    > debugging for highmen related things.
    >
    > I booted, loaded X with KDE, opened firefox a few times, and then
    > started running hdparm because some newer 2.4.x kernels dont play nice
    > with my SATA, ICH5, and DMA. hdparm segfaulted while running the drive
    > read access portion of its tests, and things locked up from there in
    > about 30secs.
    >
    > I've gotten the same error with the nvidia driver not loaded, so I dont
    > think that is part of the problem.
    >
    > As I said, if you want me to test or try anything feel free to ask. =)

    Todd,

    Would be interesting to have the oops output without the kernel nvidia module.

    Do you have that saved?

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