Re: Panic in "thread taskq" on RELENG_6

On Wed, Nov 29, 2006 at 01:01:54AM +0100, Markus Oestreicher wrote:
Kevin Oberman wrote:
Does that look like a hardware problem or a software issue?
I will try to swap RAM in the next few days.

You are the third person to report this panic. (I am one of the other
two.

I am guessing from the name of your kernel that this is an SMP
system. So are the other two.

Are you running gnome-2.16 with hald? This is about all we found
in common on the first two systems.

The system is a 2-CPU SMP system with HT enabled.

The server is running postfix, amavisd-new, clamav and mysql.
There is no GUI running or installed.

Robert Watson would like some added data. Can you build a kernel with
the following options and connect something to the serial port to record
output?
options WITNESS
options INVARIANT_SUPPORT
options DDB
options KDB
options INVARIANTS

There is no serial console on site, only a remote KVM console.
So I have to copy the messages manually from screen.
I am now running a kernel with this options compiled in.

One thing I noticed that may be relevant or not:

The system is running with ACPI disabled using loader.conf.
If I enable ACPI the device acpi0 fires ~10000 interrupts/s
and there are three system processes acpi_task[0-2] that will
consume ~25% when the system is idle. With ACPI disabled it
does not show that behavoir.

Might be a broken BIOS on your system, especially likely if it's
somewhat older.

Kris

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