Date: Fri, 10 Jun 2011 10:07:54 +0400 From: Andrey Smagin <samspeed@mail.ru> To: Alexander Motin <mav@FreeBSD.org> Cc: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re[2]: 2 day GENERIC-current eat 2 CPU core at 100% Message-ID: <E1QUuss-0007CR-00.samspeed-mail-ru@f189.mail.ru> In-Reply-To: <4DF0F772.7020004@FreeBSD.org> References: <201106071034.01475.hselasky@c2i.net> <E1QUcnO-0007fe-00.samspeed-mail-ru@f109.mail.ru> <4DF0F772.7020004@FreeBSD.org>
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Great thanx ! It working ! :) Thu, 09 Jun 2011 19:40:18 +0300 письмо от Alexander Motin <mav@FreeBSD.org>: > Andrey Smagin wrote: > > Hi, yesterday I tried switch event timer on i8254 - it do nothing. > > I disabled hyperthreading - now eat from 50% to 100% > > All dmesg is lines: > > (noperiph:ata3:0:-1:-1): rescan already queued > > (noperiph:ata3:0:-1:-1): rescan already queued > > (noperiph:ata2:0:-1:-1): rescan already queued > > (noperiph:ata3:0:-1:-1): rescan already queued > > (noperiph:ata3:0:-1:-1): rescan already queued > > .... > > I boot FreeBSD from USB with no ATA - may be it is. > > These messages are not what I expected to see, but they tell me that > your problem may be SATA related. I've got the same Intel D525MW board > and think reproduced the problem. I hope I've even fixed it. :) Retry > please with fresh CURRENT sources or at least with this patch applied: > http://svn.freebsd.org/changeset/base/222897 > > > Wed, 08 Jun 2011 20:34:42 +0300 письмо от Alexander Motin <mav@FreeBSD.org>: > >> On 07.06.2011 20:12, Andrey Smagin wrote: > >>> vmstat -i > >>> interrupt total rate > >>> irq16: uhci3 205 0 > >>> irq20: hpet0 147924380 1126 > >>> irq23: uhci0 ehci0 522517 3 > >>> total 148447102 1130 > >>> > >>> Tue, 7 Jun 2011 10:34:01 +0200 письмо от Hans Petter > >> Selasky<hselasky@c2i.net>: > >>>> On Tuesday 07 June 2011 10:09:47 Andrey Smagin wrote: > >>>>> I upgraded 2 day ago from 2010xxxx-current box on Intel D525MW. > >>>>> System very slow down after that. > >>>>> kern.hz=50 > >>>>> in systat -vmstat - 140hpet interrupts/s > >>>>> at top 25% in interrupts 25% in system > >>>>> because hyperthreading system found 4 cpu. > >>>> What does vmstat -i output? > >> Send me please full verbose dmesg and output of the `sysctl > >> kern.eventtimer` and `sysctl kern.timecounter`. > >> > >> Try to switch to another timer: > >> sysctl kern.eventtimer.timer=LAPIC > >> > >> Try to switch to periodic timers (instead): > >> sysctl kern.eventtimer.periodic=1 > > -- > Alexander Motin
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