On 3/7/2016 4:46 PM, Andreas F?rber wrote: > Hi Peppe, > > Am 07.03.2016 um 16:09 schrieb Giuseppe CAVALLARO: >> On 3/7/2016 3:27 PM, Andreas F?rber wrote: >>> Indeed, reverting Gabriel's commit fixes the observed error messages > [...] >>> However, I am unable to ping any hosts on the network now. >> >> hmm, this could be another problem. I wonder if you can >> check which recent patch is introducing the problem on ARM64. >> For example if this depends on Oct_2015 update. > > I've had success reverting drivers/net/ethernet/stmicro/ up to and > including "stmmac: first frame prep at the end of xmit routine", i.e. > top 7 commits. Andreas, I will check it and let you know asap. > > http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/net/ethernet/stmicro?id=0e80bdc9a72df3b31a9fc2012102a6cc8d664e93 > >> If you share some logs to me I can take a look at them. >> Then we can try to check if the problem in on rx or tx path. >> I also ask you yo check the axi settings. > > On the reverted (good) branch I see in dmesg: > > [ +0.001100] rk_gmac-dwmac ff290000.ethernet: Looking up phy-supply > from device tree > [ +0.000030] rk808 0-001b: Looking up vcc12-supply from device tree > [ +0.000013] vcc_lan: supplied by vcc_io > [ +0.000120] rk_gmac-dwmac ff290000.ethernet: clock input or output? > (input). > [ +0.000010] rk_gmac-dwmac ff290000.ethernet: TX delay(0x30). > [ +0.000007] rk_gmac-dwmac ff290000.ethernet: RX delay(0x10). > [ +0.000014] rk_gmac-dwmac ff290000.ethernet: init for RGMII > [ +0.000104] rk_gmac-dwmac ff290000.ethernet: clock input from PHY > [ +0.005099] rk_gmac-dwmac ff290000.ethernet: no reset control found > [ +0.000007] stmmac - user ID: 0x10, Synopsys ID: 0x35 > [ +0.000002] Ring mode enabled > [ +0.000006] DMA HW capability register supported > [ +0.000000] Normal descriptors > [ +0.000004] RX Checksum Offload Engine supported (type 2) > [ +0.000002] TX Checksum insertion supported > [ +0.000002] Wake-Up On Lan supported > [ +0.000052] Enable RX Mitigation via HW Watchdog Timer > [ +0.000683] rk_gmac-dwmac ff290000.ethernet eth0: No MDIO subnode found > [ +0.000124] of_get_named_gpiod_flags: can't parse 'snps,reset-gpio' > property of node '/ethernet at ff290000[0]' > [ +0.004219] libphy: stmmac: probed > [ +0.000010] eth0: PHY ID 001cc915 at 0 IRQ POLL (stmmac-0:00) active > [ +0.000005] eth0: PHY ID 001cc915 at 1 IRQ POLL (stmmac-0:01) > > [ +0.881011] eth0: device MAC address 4a:78:dd:10:b3:17 > [ +4.003065] rk_gmac-dwmac ff290000.ethernet eth0: Link is Up - > 1Gbps/Full - flow control rx/tx > > The MAC address is random, changing each time. Otherwise there's no log > difference I spot to the pre-Gabriel broken state. ok > > If you need more info, let me know where to find it. no it's ok at this stage. > > Thanks, welcome > Andreas Regards peppe
