Problems with interrupts on -CURRENT?

[Markie]

----- Original Message -----
From: "Martin" <nakal at web.de>
To: "FreeBSD Current" <freebsd-current at freebsd.org>
Sent: Friday, July 23, 2004 7:16 PM
Subject: Problems with interrupts on -CURRENT?


|
| Hi,
|
| I have a kernel from Mon Jul 19 01:06:15 CEST 2004 and it's
| terribly slow, especially while executing applications in
| parallel.
|
| Following symptoms:
| - mouse cursor is non-responsive for 3-5 seconds
| - hard-disk is slow and is unusually active
|   (portupgrade needs about 15 minutes till
|   it arrives compiling first port)
| - printing is slowed down a single line needs about
|   10 seconds
| - syncer is slowly counting vnodes down and needs
|   a few seconds till it arrives at 0

I think I have roughly the same sort of problems...

|
| I have also discovered this, after starting the print job:
| Jul 23 19:35:32 Interrupt storm detected on "irq7: lpt0"; throttling
| interrupt source
|
| Remarks about my -CURRENT kernel:
| I have played with some kernel settings earlier:
| - SCHED_4BSD, because UPDATING said so
| - DEVICE_POLLING is now off in this kernel
|
| I'm just reporting it, because it might be related
| with the instability issues, which you mention here.
|
| Any ideas what I should do now?
|

To get over the printer thing, which has done that interrupt storm thing for
rather a long time with me but never this bad, I used polling mode instead with
lptcontrol. Something like lptcontrol -p ...

| Martin
|
|
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