Help debugging mysterious freezing (5.4)
arundel at h3c.de
Fri Jul 22 12:44:34 GMT 2005
I had the very same problem under 5.4-STABLE. I tried a lot to get rid of the
problem (switch RAM, recompile ports && world, change nvidia driver settings,
What solved the problem for me was to remove a hardrive witch I used as swap
ad5: 810MB <QUANTUM TRB850A A04.5B> at ata2-slave WDMA2
Now I'm using a different swap partition. It shares a harddrive with my
root (/) partition. After that I haven't experienced any lookups anymore.
I asume the hardrive which I was using as a swap aprtition was either broken,
had wrong sectors or the FBSD driver for it was buggy.
Hope that helps you a bit.
On Fri Jul 22 05, Phil wrote:
> I'm trying to debug a strange freezing issue on my file-server, but
> I'm not quite sure how to go about it.
> My hardware setup is:
> -Rather old P3
> -5 HDDs (All Seagate, around 1 year old)
> --4 of those drives (all apart from the system drive) are connected
> to a Promise Ultra100 TX2 PCI controller card
> -vr network card
> My software setup is:
> -FreeBSD 5.4
> -Custom kernel:
> --Workaround from i386/73706 applied
> --No APIC
> (Required for my vr network card to work)
> --Device hints disabling ACPI and APIC
> -The bare essentials running for a NFS/SMB server
> What happens, is that the machine will freeze (no HDD activity,
> doesn't respond to keyboard, doesn't respond to network, etc.),
> usually when there's a lot of HDD activity.
> I don't get any console error messages, helpful log messages, or
> anything - the machine just halts and I have to give it a hard reboot.
> It's been working fine for almost a week (sharing drives over NFS/
> SMB), when this started happening (I didn't start anything special,
> in fact, I wasn't even using it).
> The last couple of times this has happened, has been during a fsck
> (during phase 1) of the drives after I'd noticed it had frozen. The
> next time I ran fsck, it completed fine, no errors.
> It doesn't seem to freeze on one particular drive - SMART status for
> the drives is fine, and I've run a few tests - all pass. The IDE
> cables are all 80-pin, nice, stiff, new ones as well.
> If this is a hardware problem (which it looks to be), I'd at least
> like to know where.
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