2.4.20- boot freezes; works on 2.4.19

From: Kai Vehmanen (kai.vehmanen_at_wakkanet.fi)
Date: 01/10/04

  • Next message: Daniel Robbins: "2.6.0+ and loopback ext2" 
    Date: 	Sat, 10 Jan 2004 23:23:43 +0200 (EET)
To: linux-kernel@vger.kernel.org

    With kernel 2.4.20 and newer (tested all 2.4 kernels until the new
    2.4.24), my machine hangs during the boot sequence, right _after_ local
    filesystems cheched and _before_ they are succesfully mounted.

    This happens every time, and always at the same place. 2.4.19 (and
    earlier, have ran various kernels since 2.2.xx on this machine) have never
    frozen during boot. I know this sounds crazy, but I've tested dozens of
    times and the problem occurs systematically each and every time. 2.4.19
    otoh has not froze even once.

    Now what makes this more curious is that if I do a cold-boot (press the
    reset-button after boot freezes), the second boot goes through fine, and
    once up, system works like a charm. The freeze-on-boot error only occurs
    if I do a sw-reboot, or after power-up.

    When the boot seq freezes, the console still works (I can type "foobar"
    and see the results), but kernel does not respond to any commands
    (ctrl-alt-del does not work, neither does SysReq). And no oopses either.
    As the system is not yet fully up, I cannot gather any other info
    about the system state.

    Anyone else seen this problem? Ideas where to start testing? The
    2.4.19->2.4.20 patch is quite large (5MB gzipped!), so manually going
    through all the changesets would take me forever (2 boots per try :().
    I haven't yet tested 2.6.

    Hw-details:
    - Abit BP6 motherboad with 2x466Mhz Celerons, 384MB of mem
    - the integrated HPT366 IDE interface _not_ used
    - 80GB samsumg IDE-drive as /dev/hda

    Sw-details
    - vanilla 2.4 kernels, no patches applied, no tainting drivers
    - kernels compiled with gcc-2.95.3
    - base system is a heavily modified redhat-6.1
    - / and /boot are ext2, /home is /ext3, all mounted
      during boot
    - kernel .config exactly the same in all tests (minus
      new/removed features between kernel versions)
    - tried with "acpi=off" and "nosmp" kernel params but no help 

    --
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  • Next message: Daniel Robbins: "2.6.0+ and loopback ext2"