Date: Mon, 16 Apr 2012 13:37:47 +0930 From: Matt Thyer <matt.thyer@gmail.com> To: Ronald Klop <ronald-freebsd8@klop.yi.org> Cc: freebsd-stable@freebsd.org Subject: Re: 157k interrupts per second causing 60% CPU load on idle system Message-ID: <CACM2%2B-6bAVFp2DF0PdM3CQJBZDZH2J_gL8_9VTBvA6o3CyEQnw@mail.gmail.com> In-Reply-To: <4F6A67C0.7000909@sentex.net> References: <CACM2%2B-46zHafjZo0O1dNNvEJm%2B2sUcYboBWwhJ8NxVhXyvpBZQ@mail.gmail.com> <4F6A67C0.7000909@sentex.net>
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On Apr 16, 2012 5:42 AM, "Ronald Klop" <ronald-freebsd8@klop.yi.org> wrote: > > On Sun, 15 Apr 2012 15:09:34 +0200, Matt Thyer <matt.thyer@gmail.com> wrote: > >> On Apr 15, 2012 6:27 PM, "Ronald Klop" <ronald-freebsd8@klop.yi.org> wrote: >>> >>> >>>> 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 all >> testing. > > > That does not mean FreeBSD 9 can't put devices on other interrupts than 8 did. > 'dmesg | grep irq' like you did before might show a difference with your previous output. > 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). > Ronald, 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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