Re: 2.6.10-mm2: it87 sensor driver stops CPU fan

Jean Delvare
2005-01-15T16:53:23Z

Hi Simone,

> > 2* In the logs, you should see an information line with the chip
> > type, address and revision.
> > 3* Still in the logs, you should see a warning about your BIOS being
> > broken and PWM being disabled as a consequence.
>
> Confirmed, but it looks like there's a missing linefeed in the
> warning.
>
> pioppo@roentgen ~ $ uname -a
> Linux roentgen 2.6.11-rc1-mm1 #1 Sat Jan 15 16:23:34 CET 2005 x86_64
> AMD Athlon(tm) 64 Processor 3200+ AuthenticAMD GNU/Linux
> pioppo@roentgen ~ $ dmesg|grep it87
> it87: Found IT8705F chip at 0x290, revision 2
> it87 0-0290: detected broken BIOS defaults, disabling pwm
> interface<6>8139too Fast Ethernet driver 0.9.27

True. The additional patch I posted earlier today fixes it though. You
can now test this one, which adds the "fix_pwm_polarity" module
parameter which will let you - at last - to use PWM the way it is meant
to be.

Let us know how it goes! :)

--
Jean Delvare