HELP: FreeBSD 5.2 crashing when doing fsck?

William Cooper williamcooper at
Mon Feb 2 09:11:38 GMT 2004

Apart from taking a CPU out, that's the only way I believe, or running a
non-SMP kernel but like you said in 5.2 it boots a smp-abled kernel by
default. Next step is to go down to 4.9 on a fresh hard disk, as
mentioned on the last email.



-----Original Message-----
From: freebsd-users-admin at
[mailto:freebsd-users-admin at] On Behalf Of Pete Carss
Sent: 01 February 2004 23:21
To: freebsd-users at
Subject: Re: HELP: FreeBSD 5.2 crashing when doing fsck?

Anyway you can disable one of the CPUs and try a reboot? I have a dual 
233 compaq - I seem to remember similar problems with that and 5.1...I 
noticed that acpi/smp have got all tied together in the there 
must be a lot of smp code changing...have you compiled any system tools 
or are they all from packages?


On 1 Feb 2004, at 23:02, Mark Blackman wrote:

> On 31 Jan 2004, at 21:05, William Cooper wrote:
>> Hello again,
>> I have a FreeBSD 5.2-RELEASE machine here, lately I started to run 
>> into
>> system problems where the machine would completely freeze and had to 
>> be
>> rebooted, the reboots took a very long time because it decided it 
>> wanted
>> to fsck the 4 x 120gb hard disks that are connected to it, then after

>> it
>> had completed this task the machine would run fine for a few hours (I
>> think, I would normally go to bed and find it broken in the morning).
>> Today I decided I wanted to find the root of the problem, I have 
>> swapped
>> different sticks of ram, disconnected the 4x 120gb hard disks, and 
>> tried
>> various different modes from the kernel loader screen (?) just before

>> it
>> boots up to try and fix it.
>> Then the hangs started to happen earlier, it would only fsck the 
>> install
>> disk (only disk connected by this time), which is only 20gb and then
>> hang within minutes afterwards. I noticed the hang would happen with 
>> the
>> HDD light on, so next time I booted up I did a 'killall -9 fsck' and
>> 'killall -9 fsck_ufs', once them two processes were killed I haven't 
>> had
>> a problem, and the machine is still running (without a reboot of
>> course).
>> The only thing I can think of is that the mobo is duffed or the 20gb
>> hard drive is going :/
>> Can anyone shed some light on this problem? I really need this box up
>> and I'm unable to fix this problem :(
> Just to confirm that it's not a bug in FreeBSD 5 with respect to
> unusual/new hardware, I'd recommend trying FreeBSD 4.9 (using
> some unused hard disk) and see how well it behaves. I think
> 5.2 is still a bit dangerous to run a critical machine on.
>> Kit: Abit BP6 running dual 533Mhz Celerons
>> Uname: FreeBSD deathstar 5.2-RELEASE FreeBSD 5.2-RELEASE #0: Sun Jan 
>> 11
>> 04:21:45 GMT 20
>> 04     root at  i386
>> Any help will be great,
> Well, HTH.
> - Mark
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