Re: tg3 'No PHY devices' loading issue

From: Ben Hutchings
Date: Tue Apr 17 2012 - 15:10:45 EST

On Tue, Apr 17, 2012 at 11:50:07AM -0700, Matt Carlson wrote:
> On Tue, Apr 17, 2012 at 10:18:57AM -0400, Josh Boyer wrote:
> > Hi Matt and Michael,
> >
> > I'm seeing an odd issue with the tg3 driver on one of my development
> > machines. I've tried kernels 3.2.10, 3.3.0, 3.3.1, 3.3.2 and 3.4-rc3
> > and they all seem to exhibit this issue now. When the machine boots
> > and the tg3 driver is loaded, it fails to find a PHY and then reports
> > 'Problem fetching invariants of chip'. If I do a rmmod/modprobe of
> > tg3 after login, the probe seems to work fine and ethernet works as
> > expected. You can see this in the dmesg below:
> The 57788 uses the broadcom phylib module. For some reason, it isn't
> available the first module load attempt. A while ago, code was added to
> phylib to request modules from userspace if the particular phy support
> code wasn't already loaded. It looks like this mechanism isn't working
> too well the first time through.

At a guess, tg3 is in the initramfs but broadcom isn't.


Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
- Albert Camus
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