On Sun, 2008-07-20 at 01:51 +0300, Giorgos Keramidas wrote: > On Sun, 20 Jul 2008 01:33:30 +0300, Giorgos Keramidas <keramida_at_ceid.upatras.gr> wrote: > > On Sat, 19 Jul 2008 17:03:08 -0400, "Alexandre \"Sunny\" Kovalenko" <gaijin.k_at_gmail.com> wrote: > >> Are you by any chance using cx_lowest="C3" (or "LOW") in your > >> rc.conf? I have seen these symptoms (including mouse inducement of > >> the typed characters) when cpu0 on my laptop went to C3. Nowadays I > >> have C3 on cpu1 and C2 on cpu0 and life is good. Then again, I am > >> running RELENG_7 (which AFAICR was 7-CURRENT at the time), so YMMV. > > > > Ah, good point. I have indeed performance_cx_lowest="LOW" in rc.conf. > > > > I'll remove that and try again with the APIC enabled... > > That was it. Thanks! > > # sysctl -a | egrep -e 'cx_(usage|support)' > dev.cpu.0.cx_supported: C1/1 C2/1 C3/57 > dev.cpu.0.cx_usage: 100.00% 0.00% 0.00% > dev.cpu.1.cx_supported: C1/1 C2/1 C3/57 > dev.cpu.1.cx_usage: 100.00% 0.00% 0.00% > > With anything except "C1" the CPU is obviously too slow to do anything > useful :-) > I guess it got worse in CURRENT: # uname -a FreeBSD RabbitsDen.RabbitsLawn.verizon.net 7.0-STABLE FreeBSD 7.0-STABLE #0: Wed Jul 9 16:52:35 EDT 2008 root_at_RabbitsDen.RabbitsLawn.verizon.net:/usr/obj/usr/src/sys/TPX60 i386 RabbitsDen# sysctl -a | egrep -e 'cx_(usage|support)' dev.cpu.0.cx_supported: C1/1 C2/1 C3/57 dev.cpu.0.cx_usage: 0.00% 100.00% 0.00% dev.cpu.1.cx_supported: C1/1 C2/1 C3/57 dev.cpu.1.cx_usage: 0.00% 4.43% 95.56% -- Alexandre "Sunny" Kovalenko (Олександр Коваленко)Received on Sat Jul 19 2008 - 20:57:23 UTC
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