linux-kernel - Re: i2c-i801 hangs indefinitely on IBM x3550

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Date:	Fri, 1 Jul 2016 16:24:50 +0300 (EEST)
From:	Meelis Roos <mroos@...ux.ee>
To:	Jean Delvare <jdelvare@...e.de>
cc:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-i2c@...r.kernel.org, Wolfram Sang <wsa@...-dreams.de>
Subject: Re: i2c-i801 hangs indefinitely on IBM x3550

> > The machine is still alive and kicking with latest 4.7-rc4+. However, I 
> > do not remember the exact scenario  for testing.
> 
> Well originally you reported that the machine would hang when the
> i2c-i801 driver is loaded. I guess this is no longer the case?

Yes, that is no longer the case.

> > SO how do I see if os working? Nothing in dmesg, reboot works so seems 
> > OK?
> 
> Well, upon loading the i2c-i801 driver should say something about
> interrupt use. Either:
>   "SMBus using PCI interrupt"
> or:
>   "SMBus using polling"
> and possibly other relevant messages. Can you check your dmesg for these
> messages?

Yes, it is in dmesg:

i801_smbus 0000:00:1f.3: SMBus using PCI interrupt

And no errors.

So it seems to be working.

-- 
Meelis Roos (mroos@...ux.ee)