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Re: Error extraño



El mié, 12-01-2005 a las 18:53 +0100, Txente escribió:
> Hola,
>    Mi Debian me da este error horrible
> 
> "Losing too many ticks!
> TSC cannot be used as a timesource.
> Possible reasons for this are:
> You're running with Speedstep,
> You don't have DMA enabled for your hard disk (see hdparm),
> Incorrect TSC synchronization on an SMP system (see dmesg).
> Falling back to a sane timesource now"
> 
> La maquina culpable es un P-IV 2.4 con 512MB, tres discos duros IDE
> Maxtor de 160GB (segun la bios UDMA Mode 6), y un lector de CD LG 52x.
> 
> El nucleo es la version 2.6.8 compilada para P-IV. y me da ese error
> 
> Sus "tripas" son
> 
> 0000:00:00.0 Host bridge: Silicon Integrated Systems [SiS] SiS 645xx 
> (rev 02)
> 0000:00:01.0 PCI bridge: Silicon Integrated Systems [SiS] Virtual 
> PCI-to-PCI bridge (AGP)
> 0000:00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS963 [MuTIOL 
> Media IO] (rev 04)
> 0000:00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016
> 0000:00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE]
> 0000:00:02.7 Multimedia audio controller: Silicon Integrated Systems 
> [SiS] Sound Controller (rev a0)
> 0000:00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 
> Controller (rev 0f)
> 0000:00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 
> Controller (rev 0f)
> 0000:00:03.2 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 
> Controller (rev 0f)
> 0000:00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 
> Controller
> 0000:00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] 
> SiS900 PCI Fast Ethernet (rev 91)
> 0000:00:09.0 Ethernet controller: Realtek Semiconductor Co., Ltd. 
> RTL-8139/8139C/8139C+ (rev 10)
> 0000:01:00.0 VGA compatible controller: nVidia Corporation NV18 
> [GeForce4 MX 440 AGP 8x] (rev a2)
> 
> 
> He visto que este problema con chipsets intel se solucionaba 
> reconfigurando el kernel y activando CONFIG_BLK_DEV_PIIX=y
> 
> Yo lo he hecho y me ignora totalmente (vamos se empeña en darme dolores 
> de cabeza)
> 
> ¿Alguna idea? Cualquier sugerencia es bienvenida :-)
> 
> Gracias,
>    Txente
> 
En la ayuda del kernel en la sección ACPI - Power Management Timer Support:

CONFIG_X86_PM_TIMER: 

The Power Management Timer is available on all ACPI-capable,
in most cases even if ACPI is unusable or blacklisted.

This timing source is not affected by powermanagement features
like aggressive processor idling, throttling, frequency and/or
voltage scaling, unlike the commonly used Time Stamp Counter
(TSC) timing source.

So, if you see messages like 'Losing too many ticks!' in the
kernel logs, and/or you are using this on a notebook which
does not yet have an HPET, you should say "Y" here.

Me sonaba de haberlo visto alguna vez y grep hace el resto.

Comprueba que tengas activado el Power Management Timer Support
-- 
Dani Chaves <danichaves@ya.com>
DADA

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