Re: 6.0 Release - Pentium install panic and some questions

From: Paul Koch (paul.koch_at_statseeker.com)
Date: 11/22/05

  • Next message: Kris Kennaway: "Re: Recurring problem: processes block accessing UFS file system" 
    To: Kris Kennaway <kris@obsecurity.org>
Date: Tue, 22 Nov 2005 11:25:31 +1000

    On Tue, 22 Nov 2005 07:03 am, Kris Kennaway wrote:
    > On Mon, Nov 21, 2005 at 09:28:27PM +1000, Paul Koch wrote:
    > > On Mon, 21 Nov 2005 07:24 pm, Kris Kennaway wrote:
    > > > > Issue 1: Can't install on a Pentium P5 class machine:
    > > > >
    > > > > The install panics when installing the base stuff. No useful
    > > > > messages are displayed accept the "panic: page fault" and
    > > > > rebooting in 15 seconds. The machines are 10 year old DEC
    > > > > Pentiums, 32 to 64M ram, IDE disks, etc. We have four of these
    > > > > in our test environment and appear to install and run
    > > > > FreeBSD-5.4 fine.
    > > >
    > > > Try disabling ACPI. Many old systems have buggy ACPI
    > > > implementations. Sometimes this can be fixed by a BIOS upgrade.
    > >
    > > A Pentium 150Mhz aged machine wouldn't have ACPI, would it ?
    >
    > I don't know..nevertheless, please try it :)
    >
    > Kris

    Ok, a bit of confusion here. When booting from floppy on these
    machines, the option is to "Boot FreeBSD with ACPI enabled", while on
    other machines it says "Boot FreeBSD with ACPI disabled". Looks like
    this is from beastie.4th. We tried both options and it still panics
    when it is extracting base (ie. you can partition, newfs, etc... using
    sysinstall). It gets about 2% of the way through extracting base.

    So, tried going to the command line from the loader menu and unloaded
    all loaded modules, and disabled further loading of ACPI, then
    continued booting. The kernel is loaded into memory, we get the "Too
    many holes in physical memory" message and it panics immediately after
    the copyright message with a:

    Fatal Trap 12: page fault while in kernel mode
    fault virtual address: 0xb5
    fault code = supervisoer read, page not present
    ..... some other guff....
    panic: page fault
    uptime: 1s

    This is the error condition we experienced with our RNA before bumping
    up the phys_avail[] in machdep.c

    I am planning to ditch all of these old Pentium machines because they
    are too much of a problem. I'll keep one for a little longer if you
    like to figure out what is going on.

            Paul.
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  • Next message: Kris Kennaway: "Re: Recurring problem: processes block accessing UFS file system"

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