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List: lm-sensors
Subject: Re: [lm-sensors] "FATAL: Module i2c_nforce2 not found." and "FATAL:
From: Jean Delvare <khali () linux-fr ! org>
Date: 2010-03-16 15:13:01
Message-ID: 20100316161301.21d1ce96 () hyperion ! delvare
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Hi Philip,
On Mon, 15 Mar 2010 07:54:42 -0700, Phillip Pi wrote:
> Hello again.
>
> I think I broke my lm_sensors or something while trying to make other
> things work. How come my sensors-detect command no longer finds two
> i2c_... modules in my old Debian installation? It used to work a few
> days ago.
>
> # sensors-detect
> # sensors-detect revision 5818 (2010-01-18 17:22:07 +0100)
> # System: MICRO-STAR INTERNATIONAL CO., LTD MS-7125
>
> This program will help you determine which kernel modules you need
> to load to use lm_sensors most effectively. It is generally safe
> and recommended to accept the default answers to all questions,
> unless you know what you're doing.
>
> Some south bridges, CPUs or memory controllers contain embedded sensors.
> Do you want to scan for them? This is totally safe. (YES/no):
> Silicon Integrated Systems SIS5595... No
> VIA VT82C686 Integrated Sensors... No
> VIA VT8231 Integrated Sensors... No
> AMD K8 thermal sensors... Success!
> (driver `k8temp')
> AMD Family 10h thermal sensors... No
> AMD Family 11h thermal sensors... No
> Intel Core family thermal sensor... No
> Intel Atom thermal sensor... No
> Intel AMB FB-DIMM thermal sensor... No
> VIA C7 thermal sensor... No
> VIA Nano thermal sensor... No
>
> Some Super I/O chips contain embedded sensors. We have to write to
> standard I/O ports to probe them. This is usually safe.
> Do you want to scan for Super I/O sensors? (YES/no):
> Probing for Super-I/O at 0x2e/0x2f
> Trying family `National Semiconductor'... No
> Trying family `SMSC'... No
> Trying family `VIA/Winbond/Nuvoton/Fintek'... No
> Trying family `ITE'... No
> Probing for Super-I/O at 0x4e/0x4f
> Trying family `National Semiconductor'... No
> Trying family `SMSC'... No
> Trying family `VIA/Winbond/Nuvoton/Fintek'... Yes
> Found `Winbond W83627EHF/EF/EHG/EG Super IO Sensors' Success!
> (address 0x290, driver `w83627ehf')
>
> Some systems (mainly servers) implement IPMI, a set of common interfaces
> through which system health data may be retrieved, amongst other things.
> We first try to get the information from SMBIOS. If we don't find it
> there, we have to read from arbitrary I/O ports to probe for such
> interfaces. This is normally safe. Do you want to scan for IPMI
> interfaces? (YES/no):
> Probing for `IPMI BMC KCS' at 0xca0... No
> Probing for `IPMI BMC SMIC' at 0xca8... No
>
> Some hardware monitoring chips are accessible through the ISA I/O ports.
> We have to write to arbitrary I/O ports to probe them. This is usually
> safe though. Yes, you do have ISA I/O ports even if you do not have any
> ISA slots! Do you want to scan the ISA I/O ports? (yes/NO):
>
> Lastly, we can probe the I2C/SMBus adapters for connected hardware
> monitoring devices. This is the most risky part, and while it works
> reasonably well on most systems, it has been reported to cause trouble
> on some systems.
> Do you want to probe the I2C/SMBus adapters now? (YES/no):
> Using driver `i2c-nforce2' for device 0000:00:01.1: nVidia Corporation
> nForce4 SMBus (MCP)
> FATAL: Module i2c_nforce2 not found.
> Failed to load module i2c-nforce2.
> FATAL: Module i2c_dev not found.
> Failed to load module i2c-dev.
>
> Now follows a summary of the probes I have just done.
> Just press ENTER to continue:
>
> Driver `w83627ehf':
> * ISA bus, address 0x290
> Chip `Winbond W83627EHF/EF/EHG/EG Super IO Sensors' (confidence: 9)
>
> Driver `k8temp':
> * Chip `AMD K8 thermal sensors' (confidence: 9)
>
> Warning: the required module w83627ehf is not currently installed
> on your system. If it is built into the kernel then it's OK.
> Otherwise, check http://www.lm-sensors.org/wiki/Devices for
> driver availability.
>
> Warning: the required module k8temp is not currently installed
> on your system. If it is built into the kernel then it's OK.
> Otherwise, check http://www.lm-sensors.org/wiki/Devices for
> driver availability.
It's not only i2c-* modules that can't be found. Apparently
sensors-detect can't find _any_ module on your system. You have
probably broken your kernel modules system-wide.
> No modules to load, skipping modules configuration.
>
> # locate i2c-nforce2
> /lib/modules/2.6.30-2-686/kernel/drivers/i2c/busses/i2c-nforce2-s4985.ko
> /lib/modules/2.6.30-2-686/kernel/drivers/i2c/busses/i2c-nforce2.ko
> /lib/modules/2.6.32-trunk-686/kernel/drivers/i2c/busses/i2c-nforce2-s4985.ko
> /lib/modules/2.6.32-trunk-686/kernel/drivers/i2c/busses/i2c-nforce2.ko
> # locate i2c-dev
> /lib/modules/2.6.30-2-686/kernel/drivers/i2c/i2c-dev.ko
> /lib/modules/2.6.32-trunk-686/kernel/drivers/i2c/i2c-dev.ko
> /usr/include/linux/i2c-dev.h
> /usr/include/linux/i2c-dev.h.kernel
> /usr/share/doc/libi2c-dev
> /usr/share/doc/libi2c-dev/changelog.Debian.gz
> /usr/share/doc/libi2c-dev/changelog.gz
> /usr/share/doc/libi2c-dev/copyright
> /usr/share/doc/libi2c-dev/dev-interface.gz
> /usr/src/linux-headers-2.6.30-2-common/include/linux/i2c-dev.h
> /usr/src/linux-headers-2.6.32-trunk-common/include/linux/i2c-dev.h
> /var/cache/apt/archives/libi2c-dev_3.0.2-4_all.deb
> /var/lib/dpkg/info/libi2c-dev.list
> /var/lib/dpkg/info/libi2c-dev.md5sums
> /var/lib/dpkg/info/libi2c-dev.postrm
> /var/lib/dpkg/info/libi2c-dev.preinst
>
> # uname -a
> Linux foobar 2.6.32-trunk-686 #1 SMP Sun Jan 10 06:32:16 UTC 2010 i686
> GNU/Linux
This looks good, but OTOH I have no idea if your locate database is
up-to-date. Try running "updatedb" first, then "locate i2c-nforce2"
again.
> I tried uninstalling and reinstalling lm_sensors, but that didn't help.
> Thank you in advance. :)
This is expected, as this is a kernel issue. Could it be that you
upgraded your kernel and did not reboot yet? If not, then please check
if "/sbin/modprobe -c > /dev/null" reports any error.
--
Jean Delvare
http://khali.linux-fr.org/wishlist.html
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