Messages in this thread | | | Date | Tue, 17 Apr 2012 15:40:30 -0400 | From | Josh Boyer <> | Subject | Re: tg3 'No PHY devices' loading issue |
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On Tue, Apr 17, 2012 at 08:10:42PM +0100, Ben Hutchings wrote: > 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.
Good guess. At least on one of the initramfs' I checked. I'll verify the others, but it seems likely they match. As I just said in my other reply, I would have expected tg3 to have a module dep on it to get it included in the initramfs built, but it seems that isn't the case.
josh
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