From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michal Zatloukal" Subject: Re: Can't read DIMM SPD info (DDR2) Date: Sun, 11 Sep 2011 14:11:14 +0200 Message-ID: References: <20110911100945.73fffa6a@endymion.delvare> <20110911130823.2dff3fab@endymion.delvare> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20110911130823.2dff3fab-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-i2c@vger.kernel.org On Sun, 11 Sep 2011 13:08:23 +0200, Jean Delvare wrote: > No SMBus I801 adapter. Is the i2c-i801 driver loaded? Do you see any > complaints in the kernel log (e.g. ACPI resource conflict) when reloading > the i2c-i801 driver? D'oh, that's the whole problem! After loading the i2c-i801 driver, it works perfectly. Laptop and server. :) There's no problem loading the driver that I can see, it's simply not loaded by default. Sep 11 13:12:55 johny kernel: [391626.148255] i801_smbus 0000:00:1f.3: PCI INT B -> GSI 19 (level, low) -> IRQ 19 Sep 11 13:10:23 esprimo kernel: [ 6993.108993] i801_smbus 0000:00:1f.3: PCI INT C -> GSI 19 (level, low) -> IRQ 19 There are some complaints from drm from when I probed the other buses: Sep 11 13:10:59 esprimo kernel: [ 7029.730036] [drm] GMBUS timed out, falling back to bit banging on pin 0 [i915 gmbus disabled] Sep 11 13:11:01 esprimo kernel: [ 7031.120065] [drm] GMBUS timed out, falling back to bit banging on pin 6 [i915 gmbus reserved] $ decode-dimms # decode-dimms version 5733 (2009-06-09 13:13:41 +0200) Memory Serial Presence Detect Decoder By Philip Edelbrock, Christian Zuckschwerdt, Burkart Lingner, Jean Delvare, Trent Piepho and others Decoding EEPROM: /sys/bus/i2c/drivers/eeprom/15-0050 Guessing DIMM is in bank 1 Number of SDRAM DIMMs detected and decoded: 2 Thanks for the help. -- Using Opera's revolutionary email client: http://www.opera.com/mail/