usb/140883: [axe] [usb8] USB gigabit ethernet hangs after short period of traffic

[Pyun YongHyeon]

On Fri, Nov 19, 2010 at 07:49:57PM -0200, Nenhum_de_Nos wrote:
> 
> On Fri, November 19, 2010 19:23, Pyun YongHyeon wrote:
> > On Fri, Nov 19, 2010 at 06:23:50PM -0200, Nenhum_de_Nos wrote:
> >
> > [...]
> >
> >> > Ok, try again after downloading new if_axe.c and let me know
> >> > the output "EEPROM data : 0xXX, phymode : 0xXX" shown on your
> >> > console.
> >>
> >> never got to see that message. I saw the diff to previous version, and
> >> did
> >> boot into verbose mode (dmesg attached). there were just the belkin
> >> gigabit nic on boot. after, the linksys USB200M:
> >>
> >> axe1: <vendor 0x13b1 product 0x0018, rev 2.00/0.01, addr 3> on usbus2
> >> axe1: PHYADDR 0xe0:0x10
> >> miibus2: <MII bus> on axe1
> >> ukphy1: <Generic IEEE 802.3u media interface> PHY 16 on miibus2
> >> ukphy1: OUI 0x000ec6, model 0x0001, rev. 1
> >> ukphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> >> ue1: <USB Ethernet> on axe1
> >> ue1: bpf attached
> >> invalid media SR 0x700
> >> invalid media SR 0x700
> >>
> >
> > This is normal, the message I said will show up when you use
> > gigabit controller, AX88178. This controller is fast ethernet
> > controller, AX88772A.
> 
> yes, I just tried to show that message with other nic.
> 
> >>
> >> and the other gigabit:
> >>
> >> ugen2.4: <vendor 0x050d> at usbus2
> >> axe2: <vendor 0x050d product 0x5055, rev 2.00/0.01, addr 4> on usbus2
> >> axe2: PHYADDR 0xe0:0x01
> >> miibus3: <MII bus> on axe2
> >> truephy1: <ET1011 10/100/1000baseT PHY> PHY 1 on miibus3
> >> truephy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
> >> 1000baseT-FDX,
> >> auto
> >> ue2: <USB Ethernet> on axe2
> >> ue2: bpf attached
> >> ue2: Ethernet address: my mac here
> >> ue2: link state changed to DOWN
> >>
> >> and never got to see the EEPROM message.
> >>
> >
> > Two odd things here. This controller looks like Belkin F5D5055 and
> 
> yes, it's this one.
> 
> > it is gigabit controller. So it should print the message I
> > mentioned in previous mail. Are you sure you rebuild/reboot your
> > kernel?
> 
> as usual, just rebuilt the axe module ... so I'm going to rebuild now.
> this is a slow box, and might take a couple of hours. Will try to do it
> also in a notebook running stable to speedup the process.
> 
> > The second odd thing is now truephy(4) PHY driver is attached to
> > your controller. Previously it was ukphy(4) generic PHY driver.
> > This means accessing GMII is not reliable such that reading OUI of
> > PHY changed its value. Maybe this could the reason why you see lots
> > of link UP/DOWN messages since mii(4) periodically polls a register
> > through GMII. If the register value read through GMII constantly
> > changes it will cause all sorts of problems.
> > I'm not sure whether this is axe(4) issue or USB stack issue. I
> > also have Belkin F5D5055 controller and has no such problems so I
> > guess it could be related with other parts of USB stack.
> >
> > To easily identify issues for a controller, it would be better to
> > remove all other axe(4) controllers except one you want to test.
> 
> ok, I was also testing that other issue. Will separate things from now on.
> no problem using stable from October 7, right ?
> 

Hmm, that depends on your environments. To test USB issues it would
be better to use stable/8.

> thanks,
> 
> matheus