On Wed, Mar 06, 2013 at 10:56:52AM +0000, Max Brazhnikov wrote: > On Wed, 6 Mar 2013 08:15:37 +0200 Konstantin Belousov wrote: > > On Tue, Mar 05, 2013 at 12:24:51PM +0000, Max Brazhnikov wrote: > > > Hi, > > > > > > I've switched recently to new xorg and kms driver. Sometimes after > > > booting > my > > > system (9.1-STABLE #0 r245741 amd64) shows high load: > > > > > > interrupt total rate > > > irq1: atkbd0 612 0 > > > irq9: acpi0 3693 1 > > > irq12: psm0 7512 2 > > > irq16: uhci0 uhci3 377172955 144069 > > > irq20: hpet0 2923357 1116 > > > irq23: uhci1 ehci1 47432 18 > > > irq256: hdac0 80799 30 > > > irq257: alc0 78474 29 > > > irq258: iwn0 19994 7 > > > irq259: ahci0 100016 38 > > > irq260: vgapci0 31250 11 > > > Total 380466094 145327 > > > > > > I've never seen this with old xorg. The problem is not always > reproducible, > > > but it's enough just to load i915kms module without staring X to trigger > it. > > > > > > Any idea? > > > > So what is the complain ? Do you meaning that loading i915kms causes > > the spike in the interrupt rate on the irq16 line ? > > I suspect it since the only change was update to newer xorg. Do you mean that the same kernel was kept, and only usermode components upgraded ?
This is plain impossible to cause the effect you described. > > > What is the graphics part and the south bridge you are using ? Show > > the pciconf -lvc output. > > http://people.freebsd.org/~makc/pciconf.output I have exactly the same GM45 chipset in my laptop. BTW, is the vmstat output you demonstrated in the first message, was for the system with running X ? I am asking about the presence of the rendering activity on the display, which would explain the significant count of the interrupts from GPU.
Description: PGP signature