linux-kernel - Re: [i2c] Regression (gdm no longer shuts down)

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Date:	Wed, 26 Mar 2008 18:35:10 -0700 (PDT)
From:	Trent Piepho <xyzzy@...akeasy.org>
To:	Jean Delvare <khali@...ux-fr.org>
cc:	Ken Moffat <zarniwhoop@...world.com>,
	Dave Airlie <airlied@...il.com>, I2C <i2c@...sensors.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [i2c] Regression (gdm no longer shuts down) - 2.4.24.x and	2.6.25

On Wed, 26 Mar 2008, Jean Delvare wrote:
> Totally unrelated, but FYI: the chip at 0x50 is an EDID EEPROM in your
> display (which the radeonfb driver can use to switch to the correct
> resolution / refresh rate.)
[...]
> any of these chips. So, the mysterious effect of unloading the
> i2c-viapro driver can't be explained by an i2c chip driver detaching
> from its device. So, again, I really can't see how i2c can be involved
> in your problem.

Maybe the radeonfb driver is trying to talk to EDID EEPROMs on all I2C
adapters it finds?  When it tries to using the i2c-viapro adapter, it
hangs.
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