>-----Original Message----- >From: S.Çağlar Onur [mailto:[EMAIL PROTECTED] >Sent: Monday, May 07, 2007 4:48 PM >To: Pallipadi, Venkatesh >Cc: linux-kernel; Andrew Morton; Thomas Gleixner; Andi Kleen; >Ingo Molnar; Chris Wright >Subject: Re: [PATCH 1/8] Restructuring hpet timer generic >clock interfaces > >Hi; > >07 May 2007 Pts tarihinde, Venki Pallipadi şunları yazmıştı: >> i386 HPET changes. >> >> Patchset does the following changes to HPET support: >> * Add HPET force detect to ICH chipsets, and detect the >> presence of HPET through PCI quirk. >> * Enable HPET timer to function in standard interrupt delivery mode, >> against the current legacy replacement mode >> * Enable HPET as a PER CPU time event, which will help in >laptops that >> supports C3 and hence has unreliable LAPIC timer. >> >> The changes enable processors to stay in idle longer, by >increasing the >> average time spend in an idle state per call, by more than twice, on >> my dual core laptop. It reduces the number of interrupts on a totally >> idle system, compared to when I use PIT. > >My machine (SONY VAIO FS-215B) just hangs/freezes (no oops, no >MAGIC_SYSRQ) >after writing "ACPI: Power Button (CM) [PWRB]" on screen > >... >Machine check exception polling timer started. >apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac) >audit: initializing netlink socket (disabled) >audit(1178591695.734:1): initialized >highmem bounce pool size: 64 pages >VFS: Disk quotas dquot_6.5.1 >Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) >io scheduler noop registered >io scheduler anticipatory registered >io scheduler deadline registered >io scheduler cfq registered (default) >ACPI: AC Adapter [ADP1] (on-line) >ACPI: Battery Slot [BAT0] (battery present) >input: Power Button (FF) as /class/input/input0 >ACPI: Power Button (FF) [PWRF] >input: Lid Switch as /class/input/input1 >ACPI: Lid Switch [LID0] >input: Power Button (CM) as /class/input/input2 >ACPI: Power Button (CM) [PWRB] > >Normal boot sequence continues with following; > >ACPI: CPU0 (power states: C1[C1] C2[C2]) >ACPI: Processor [CPU0] (supports 8 throttling states) >ACPI Exception (processor_core-0783): AE_NOT_FOUND, Processor >Device is not >present [20070126] >ACPI: Thermal Zone [THRM] (98 C) >isapnp: Scanning for PnP cards... >Time: acpi_pm clocksource has been installed. >isapnp: No Plug & Play device found >Real Time Clock Driver v1.12ac >Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ >sharing enabled >Clocksource tsc unstable (delta = -490158796 ns) >floppy0: no floppy controllers found >RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize >loop: loaded (max 8 devices) >... > >System boots fine with hpet=disable and by the way, i tried >the first version >of this patchset without a problem (if i remembered correctly, >it was just >force detects the hpet but only enables for x86_64) > >zangetsu ~ # lspci >00:00.0 Host bridge: Intel Corporation Mobile >915GM/PM/GMS/910GML Express >Processor to DRAM Controller (rev 03) >00:02.0 VGA compatible controller: Intel Corporation Mobile >915GM/GMS/910GML >Express Graphics Controller (rev 03) >00:02.1 Display controller: Intel Corporation Mobile >915GM/GMS/910GML Express >Graphics Controller (rev 03) >00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW >(ICH6 Family) >High Definition Audio Controller (rev 03) >00:1d.0 USB Controller: Intel Corporation >82801FB/FBM/FR/FW/FRW (ICH6 Family) >USB UHCI #1 (rev 03) >00:1d.1 USB Controller: Intel Corporation >82801FB/FBM/FR/FW/FRW (ICH6 Family) >USB UHCI #2 (rev 03) >00:1d.2 USB Controller: Intel Corporation >82801FB/FBM/FR/FW/FRW (ICH6 Family) >USB UHCI #3 (rev 03) >00:1d.3 USB Controller: Intel Corporation >82801FB/FBM/FR/FW/FRW (ICH6 Family) >USB UHCI #4 (rev 03) >00:1d.7 USB Controller: Intel Corporation >82801FB/FBM/FR/FW/FRW (ICH6 Family) >USB2 EHCI Controller (rev 03) >00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d3) >00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC >Interface Bridge >(rev 03) >00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW >(ICH6 Family) >IDE Controller (rev 03) >00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 >Family) SMBus >Controller (rev 03) >06:03.0 CardBus bridge: Texas Instruments PCI7420 CardBus Controller >06:03.2 FireWire (IEEE 1394): Texas Instruments PCI7x20 >1394a-2000 OHCI >Two-Port PHY/Link-Layer Controller >06:03.3 Mass storage controller: Texas Instruments >PCI7420/7620 Combo CardBus, >1394a-2000 OHCI and SD/MS-Pro Controller >06:04.0 Network controller: Intel Corporation PRO/Wireless >2200BG Network >Connection (rev 05) >06:08.0 Ethernet controller: Intel Corporation >82562ET/EZ/GT/GZ - PRO/100 VE >(LOM) Ethernet Controller Mobile (rev 03) > >Cheers >-- >S.Çağlar Onur <[EMAIL PROTECTED]> >http://cekirdek.pardus.org.tr/~caglar/ > >Linux is like living in a teepee. No Windows, no Gates and an >Apache in house! >
Hmm. Looks like timer was somehow not set correctly. Can you try only the first 5 patches in the patchset and leave out the last three and check whether it works. Thanks, Venki - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
