Subject: Re: kernel message: Data modified on freelist
To: None <>
From: Markus Kilbinger <>
List: current-users
Date: 02/28/2000 22:55:51
>>>>> "Thor" == Thor Lancelot Simon <> writes:

    >> > Can anybody explain to me the following kernel message I get
    >> > on one of our NetBSD/i386 v1.4.2 machine:
    >> >
    >> >   Data modified on freelist: word 6 of object 0xc041f000 size
    >> >   80 previous type temp (0xdead9eef != 0xdeadbeef)
    >> >
    >> > Something severe? Hardware/RAM problem?
    >> Probably a software bug.... I see a similar message if I bring
    >> my firewall up and down a few times (ip filter...) on NetBSD
    >> 1.4.1.

    Thor> Not in this case, I don't think.

    Thor> 0xdead9eef is only one bit (out of 32) away from 0xdeadbeef.
    Thor> I think this one's a hardware error -- do you have ECC
    Thor> memory?

hmm, the bios boot survey says: Both memory banks contain EDO ram. No
ECC mentioned here. -> How to find out?