On Jan 23, 2009, at 2:34 PM, Marat N.Afanasyev wrote:
Dan Langille wrote:
On Jan 22, 2009, at 11:38 AM, Dan Langille wrote:
Victor Balada Diaz wrote:
On Wed, Jan 21, 2009 at 07:22:06PM +0300, Marat N.Afanasyev wrote:
trouble with onboard re(4) was resolved in -CURRENT and -
STABLE, but storms are not bound to ethernet only. storm may
appear on any device. if any device generates enough
interrupts rate, storm will arrive.
Yes, I just got another storm, on my ATA controller this time. Ah
well, so much for the idea of disabling unneeded devices!
-pete.
it's a kind of magic, really. I built a new kernel with KDB and
DDB and after 1 day, 13:15 I'm still waiting for storm to
arrive. And I added
hw.acpi.osname="Linux" to /boot/loader.conf.
Try doing lots of IO and you will get the problem soon. You might
want to try:
while true; do dd if=/dev/zero of=BAH bs=1M count=1024; sync; done
FWIW, last night I changed the address of the comm port IO in my
BIOS. Then I ran the Bacula regression test suite (lots of IO).
For my machine, once the interrupt storm starts, it continues. I
do not know if that happens to everyone.
Since changing the address, I have had no interrupt storms. I have
been running the above IO loop for about ten minutes.
No storm yet (knock on wood).
And it's back:
Jan 22 17:21:46 polo kernel: interrupt storm detected on "irq22:";
throttling interrupt source
Jan 22 17:23:19 polo kernel: interrupt storm detected on "irq22:";
throttling interrupt source
Jan 22 17:28:20 polo kernel: interrupt storm detected on "irq22:";
throttling interrupt source
Jan 22 17:33:20 polo kernel: interrupt storm detected on "irq22:";
throttling interrupt source
Jan 22 17:38:20 polo kernel: interrupt storm detected on "irq22:";
throttling interrupt source
I shall try the hw.acpi.osname="Linux" option now.
From dmsg: Jan 22 18:10:07 polo kernel: ACPI: Overriding _OS
definition with "Linux"
it works for me for 3 days, 16:27 and still no sign of interrupt
storm. and emu10kx0 generates as many as 93 interrupt per second
without trouble.
What is your situation?
Fails
Jan 23 15:38:20 polo kernel: interrupt storm detected on "irq22:";
throttling interrupt source
It started this morning.
$ kenv | grep osname
hw.acpi.osname="Linux"
--
Dan Langille
http://langille.org/
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