it keeps crashing and I don't know why

Markus Hoenicka markus.hoenicka at
Fri Aug 8 13:35:31 UTC 2014

At 2014-08-08 15:27, David Benfell was heard to say:
> Hi all,
> This is on my new server. I seem to have made a couple mistakes that I
> know about.
> First, I followed the default installation in only creating a 4GB swap
> partition. It has 16GB of memory. I'm not getting crash dumps. (Not
> that I have any idea how to deal with a crash dump once I have one.)
> Second, I went to 10/stable rather than sticking with 10/release.
> 10/stable seems fine (except for booting) on my notebook. But I have
> no idea why this server keeps crashing.
> It does not crash at predictable intervals. It will sometimes go
> several hours without crashing. Sometimes it only goes a few minutes.
> The network seems somehow involved. Sometimes--not always--it will
> hang rather than reboot. When it does this, it also hangs the network
> for everybody who's on it, not just the server itself. All I have to
> do is unplug the ethernet cable and plug it back in: Then it will--I
> guess--do its panic and reboot.
> But there is no clue that I know where to find in the logs. It's ugly.
> Databases get corrupted. Sometimes fsck needs to be run manually.
> Also, ipfw doesn't start properly and I have to run the script
> manually. This baby can't be left unattended.
> I'm thinking I need 1) to revert to release; and 2) increase the swap
> allocation. The latter would entail shrinking the root partition to
> allow for an increase in the swap partition (this is GPT).
> This requires a reinstallation, right?

Are you sure the hardware is ok? I'd first stick in a live CD or thumb 
drive of whatever OS you can get hold of and see what happens before 
blaming FreeBSD for these failures. Bad memory may cause similar 

just my 2cc


Markus Hoenicka
AQ score 38

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