From: Arndt S. <ab...@sr...> - 2002-05-29 09:40:59
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Hi Dominik & list, I just tested 2.5.17 + acpi-20020522 with Dominik's pciirq.23 and wbinvd.4 patches on my Gericom 1st Supersonic M6-T. This notebook has a Pentium III "Tualatin" desktop CPU which does not support SpeedStep, and it also does not support C3 "natively", i.e. under plain 2.5.17 + acpi-20020522 /proc/acpi/processor/CPU0/power looks like this $ cat /proc/acpi/processor/CPU0/power active state: C2 default state: C1 bus master activity: 00000000 states: C1: promotion[C2] demotion[--] latency[000] usage[00000190] *C2: promotion[--] demotion[C1] latency[020] usage[42936561] C3: <not supported> With the wbinvd.4 patch, C3 comes to life: $ cat /proc/acpi/processor/CPU0/power active state: C2 default state: C1 bus master activity: fffebfff states: C1: promotion[C2] demotion[--] latency[000] usage[00000010] *C2: promotion[C3] demotion[C1] latency[020] usage[00020616] C3: promotion[--] demotion[C2] latency[215] usage[00000160] Unfortunately, after a while the system locks up (mouse movements and key presses have no effect, and the machine does no longer respond to pings); all I can do is to use the power button and shut it off. I repeated the "cat /proc/acpi/processor/CPU0/power" a few times while the machine was still alive, and I saw the C3 count did not increase. I am using an USB mouse and keyboard in case this makes any difference. The pciirq.23 patch apparently works fine, as expected. Best regards, Arndt -- My laptop: -- Machine: Gericom 1st Supersonic M6-T (apparently FIC A380 OEM) Chipset: VIA Apollo Pro133AX (VT82C694X + VIA686B) [perhaps VIA 694X-T] CPU: Intel Pentium III 1.2GHz, 133MHz FSB (apparently desktop Tualatin) BIOS: PhoenixBIOS 4.0 Release 6.0 (BIOS version 1.0I-6002-0713) Storage: 1GB RAM (apparently PC133 CL3), Toshiba MK4018GAP 40GB HD (hda) CD/DVD: Matsushita UJDA710 DVD+CD-RW combo (hdc) Video: ATI Radeon Mobility-P M6 (LY) w/ 32GB RAM [perhaps DDR-RAM] LCD: Samsung LTN150P1-L02 15" SXGA+ panel (1400x1050) NIC: Accton EN2242 MiniPCI (recognized as ADMtek Comet by the tulip driver) PCMCIA: O2Micro OZ6933 rev 01 PCI-to-CardBus (as recognized by pcmcia driver) Other: Lucent IEEE 1394 (OHCI), Lucent LT WinModem (I haven't yet been able to obtain complete specs for this machine, so the [perhaps ...] sections above are my assumptions.) |