Subject: Re: kernel message: Data modified on freelist
To: None <tls@rek.tjls.com>
From: Markus Kilbinger <kilbi@rad.rwth-aachen.de>
List: current-users
Date: 02/28/2000 22:55:51
>>>>> "Thor" == Thor Lancelot Simon <tls@rek.tjls.com> 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?
Markus.