Giuseppe, Alexandre, et al., On Thu, Mar 17, 2016 at 8:52 AM, Marc Zyngier <marc.zyng...@arm.com> wrote: > On Thu, 17 Mar 2016 00:56:40 +0100 > Bert Lindner <b...@a20.net> wrote: >> On 2016-03-16 18:42, Marc Zyngier wrote: >> > On 16/03/16 15:10, Bert Lindner wrote: >> >> On 2016-03-16 14:10, Andreas Färber wrote: >> >>> Am 16.03.2016 um 13:09 schrieb Robin Murphy: >> >>>> On 16/03/16 11:39, Marc Zyngier wrote: >> >>>>> On 16/03/16 11:19, Bert Lindner wrote: ... >> >>>>>> For the board sun7i-a20-olinuxino-lime2, there seems to be a problem >> >>>>>> with the eth0 PHY in mainline kernel 4.5.0 that developed since >> >>>>>> 4.5.0-rc7. Ethernet does not work, although eth0 is reported: ... >> >>>>>> [ 9.767125] NET: Registered protocol family 10 >> >>>>>> [ 10.357405] libphy: PHY stmmac-0:ffffffff not found >> >>>>>> [ 10.362382] eth0: Could not attach to PHY >> >>>>>> [ 10.366557] stmmac_open: Cannot attach to PHY (error: -19) ... >> >>> v4 fixes for 4.5 are here: >> >>> >> >>> https://patchwork.ozlabs.org/patch/598195/ (revert) >> >>> https://patchwork.ozlabs.org/patch/598196/ ... >> > Good to know, thanks. Could you also give the potential fix a go (as >> > mentioned by Andreas)? Just to make sure that whatever gets merged next >> > will actually fix the issue. >> >> Yes sure, it took a while because I had to travel. Confirmed, the >> v4-for-4.5 fix works well for me, on sun7i-a20-olinuxino-lime2: >> >> root@lime2-079f:~# cat /proc/version >> Linux version 4.5.0-598195-598196-v4 (root@lime2-079f) (gcc version >> 4.9.1 (Ubuntu/Linaro 4.9.1-16ubuntu6) ) #1 SMP Wed Mar 16 16:44:22 UTC 2016 >> >> dmesg: >> [ 8.245273] NET: Registered protocol family 10 >> [ 9.297406] RX IPC Checksum Offload disabled >> [ 9.297460] No MAC Management Counters available >> [ 9.297951] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready >> [ 16.285658] sun7i-dwmac 1c50000.ethernet eth0: Link is Up - >> 1Gbps/Full - flow control rx/tx >> [ 16.285798] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready >> >> The board is connected to my laptop rather than to a switch, so that >> might be where the flow control message comes from (not sure). Anyway >> ethernet works. > > Cool, many thanks for taking the time to test and report. > > Hopefully Giuseppe will get this merged quickly enough in mainline, and > it should then trickle into a 4.5-stable release (cc-ing stable on > these patches would probably be a good idea, BTW).
stmmac is broken on at least Lime2, BananaPi and Cubieboard2 since v4.5 [0], including all five stable releases :( The v4.5 patches quoted above are already +4 weeks old, could we please get them into stable? Thanks! Andre [0] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=823493
