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    SubjectKernel Panic with LTP on 2.6.11-rc1 (was Re: LTP Results for 2.6.x and 2.4.x)
    On Tue, 18 Jan 2005, Bryce Harrington wrote:
    > Here's an updated summary of our LTP regression test runs against the
    > 2.6.x and 2.4.x kernels on RedHat 9.0:
    >
    > http://developer.osdl.org/bryce/ltp/
    >
    > I've run into some issues with patch-2.6.11-rc1 and the latest LTP, but
    > will post numbers when I've sorted those out.

    Okay, it looks like there is a regression of Linux 2.6.11-rc1 on LTP.

    I've run a bunch of tests to narrow down and rule things out:

    * Other tests (e.g. open_posix) run ok on this kernel
    * This version of LTP is working fine on other kernels
    * Not a hardware problem; same issue occurs on all of our 2-ways
    * Not distro-dependent; problem occurs for me on RH 9.0, and SuSE 9.0
    and 9.2

    Here is the output from the test causing the panic:

    <<<test_start>>>
    tag=gf13 stime=1106333359
    cmdline="mkfifo gffifo18; growfiles -b -W gf13 -e 1 -u -i 0 -L 30 -I r
    -r 1-4096 gffifo18"
    contacts=""
    analysis=exit
    initiation_status="ok"
    <<<test_output>>>
    growfiles(gf13): 17094 DEBUG1 Using random seed of 1106350453
    Kernel panic - not syncing: Out of memory and no killable processes...


    The full output are available at these links:

    FAIL LTP 2.6.11-rc1 SuSE 9.0 2-way http://khack.osdl.org/stp/300213/
    FAIL LTP 2.6.11-rc1 SuSE 9.2 2-way http://khack.osdl.org/stp/300219/
    FAIL LTP 2.6.11-rc1 SuSE 9.2 1-way http://khack.osdl.org/stp/300209/

    OK LTP 2.6.10 SuSE 9.2 2-way http://khack.osdl.org/stp/300230
    OK LTP 2.6.10 SuSE 9.0 2-way http://khack.osdl.org/stp/300229
    OK LTP 2.6.10 RH 9.0 2-way http://khack.osdl.org/stp/300228
    OK OPTS 2.6.11-rc1 RH 9.2 2-way http://khack.osdl.org/stp/300227


    These are all run on the December version of LTP (20041203).
    growfiles.c is in ltp-full-20041203/testcases/kernel/fs/doio.

    Bryce


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