157k interrupts per second causing 60% CPU load on idle system
matt.thyer at gmail.com
Mon Apr 16 04:07:55 UTC 2012
On Apr 16, 2012 5:42 AM, "Ronald Klop" <ronald-freebsd8 at klop.yi.org> wrote:
> On Sun, 15 Apr 2012 15:09:34 +0200, Matt Thyer <matt.thyer at gmail.com>
>> On Apr 15, 2012 6:27 PM, "Ronald Klop" <ronald-freebsd8 at klop.yi.org>
>>>> The problem does not occur with 9-STABLE.
>>>> Who knows what the problem was ? USB maybe ?
>>> Do you still have the same hardware on the same interrupts on 9-STABLE?
>>> Are there changes in the use of MSI(-X)?
>> I made no hardware or BIOS changes and I'm running a GENERIC kernel in
> That does not mean FreeBSD 9 can't put devices on other interrupts than 8
> 'dmesg | grep irq' like you did before might show a difference with your
> I'm just guessing here for a clue on the result you are seeing, but
without any data I cannot answer you (and I guess nobody can).
The irqs seem to be the same:
$ grep irq\ 16 /var/run/dmesg.boot
pcib1: <PCI-PCI bridge> irq 16 at device 1.0 on pci0
mps0: <LSI SAS2008> port 0xee00-0xeeff mem
0xfbdfc000-0xfbdfffff,0xfbd80000-0xfbdbffff irq 16 at device 0.0 on pci1
vgapci0: <VGA-compatible display> port 0xff00-0xff07 mem
0xfb400000-0xfb7fffff,0xe0000000-0xefffffff irq 16 at device 2.0 on pci0
uhci0: <UHCI (generic) USB controller> port 0xfe00-0xfe1f irq 16 at device
26.0 on pci0
pcib2: <ACPI PCI-PCI bridge> irq 16 at device 28.0 on pci0
pcib3: <ACPI PCI-PCI bridge> irq 16 at device 28.4 on pci0
atapci0: <JMicron JMB368 UDMA133 controller> port
0xdf00-0xdf07,0xde00-0xde03,0xd00-0xdd07,0xdc00-0xdc03,0xdb00-0xdb0f irq 16
at device 0.0 on pci3
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