Date: Tue, 22 Apr 2008 15:13:30 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-smp@freebsd.org Cc: Rob <fbsdq@kuhl.co.uk> Subject: Re: SMP interrupt problem Message-ID: <200804221513.30270.jhb@freebsd.org> In-Reply-To: <47EF6EC1.8040706@kuhl.co.uk> References: <47EF6EC1.8040706@kuhl.co.uk>
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On Sunday 30 March 2008 06:43:13 am Rob wrote: > Hi, got a problem with high interrupt load on a couple of dual CPU servers. First > loaded 6.3 onto each of them and both displayed a constant load showing under > interrupt when looking at top. I then loaded 7.0 onto one of them and found > exactly the same problem. One of them has since had Fedora installed and works > fine with that. Below is the top -CS output and dmesg from the machine with 7.0 > installed, if anyone wishes to see the same info from the 6.3 install I have that > as well if needed. Looks like IRQ 9 is firing a lot (vmstat -i output would be useful). You might try disably certain parts of ACPI (such as thermal, etc.) to see if you can narrow down the source of the interrupts. -- John Baldwin
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