On 15/10/15 12:09, Dinh Nguyen wrote: > Hi, > > commit "8b63ec1837fa phylib: Make PHYs children of their MDIO bus, not > the bus' parent." seems to have broken ethernet support for the SoCFPGA > platform which is using the stmmac ethernet driver.
It is not clear to me how this relates to what you are seeing yet. > > It appears that during DHCP, it cannot get an IP address. This only > happens if ethernet was not used by the bootloader to tftp an kernel > image. If I use the bootloader to tftp an image then ethernet is working > fine. So I think the PHY is not getting enabled properly. > > If I revert this patch, then ethernet is back to working on the platform. Is the Device Tree source for this platform available somewhere to look at? > > I just tested this in the v4.3-rc5. > > Will continue to debug, but was wondering if anyone has seen this issue. > > Thanks for any help/comments. > > Dinh > > Bootlog below. > ---- > [ 0.000000] Booting Linux on physical CPU 0x0 > [ 0.000000] Initializing cgroup subsys cpuset > [ 0.000000] Linux version 4.3.0-rc5-00037-g5b5f145 > (dinguyen@linux-builds1) (gcc version 4.7.3 20130226 (prerelease) (crosstool > -NG linaro-1.13.1-4.7-2013.03-20130313 - Linaro GCC 2013.03) ) #1 SMP > Thu Oct 15 13:55:48 CDT 2015 > [ 0.000000] CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), > cr=10c5387d > [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing > instruction cache > [ 0.000000] Machine model: Altera SOCFPGA Cyclone V SoC Development Kit > [ 0.000000] Truncating RAM at 0x00000000-0x40000000 to -0x2f800000 > [ 0.000000] Consider using a HIGHMEM enabled kernel. > [ 0.000000] Memory policy: Data cache writealloc > [ 0.000000] On node 0 totalpages: 194560 > [ 0.000000] free_area_init_node: node 0, pgdat c067c080, node_mem_map > ef20b000 > [ 0.000000] Normal zone: 1520 pages used for memmap > [ 0.000000] Normal zone: 0 pages reserved > [ 0.000000] Normal zone: 194560 pages, LIFO batch:31 > [ 0.000000] PERCPU: Embedded 13 pages/cpu @ef1df000 s21760 r8192 > d23296 u53248 > [ 0.000000] pcpu-alloc: s21760 r8192 d23296 u53248 alloc=13*4096 > [ 0.000000] pcpu-alloc: [0] 0 [0] 1 > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. > Total pages: 193040 > [ 0.000000] Kernel command line: console=ttyS0,115200 root=/dev/nfs > rw nfsroot=137.57.160.210:/home/dinguyen/rootfs_yocto ip=dh > cp debug > [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) > [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 > bytes) > [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 > bytes) > [ 0.000000] Memory: 764368K/778240K available (4696K kernel code, > 274K rwdata, 1328K rodata, 324K init, 131K bss, 13872K reserv > ed, 0K cma-reserved) > [ 0.000000] Virtual kernel memory layout: > [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) > [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) > [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB) > [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB) > [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB) > [ 0.000000] .text : 0xc0008000 - 0xc05ea5f4 (6026 kB) > [ 0.000000] .init : 0xc05eb000 - 0xc063c000 ( 324 kB) > [ 0.000000] .data : 0xc063c000 - 0xc0680b30 ( 275 kB) > [ 0.000000] .bss : 0xc0680b30 - 0xc06a1a38 ( 132 kB) > [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 > [ 0.000000] Hierarchical RCU implementation. > [ 0.000000] Build-time adjustment of leaf fanout to 32. > [ 0.000000] NR_IRQS:16 nr_irqs:16 16 > [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 > [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 > [ 0.000000] L2C-310 ID prefetch enabled, offset 1 lines > [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled > [ 0.000000] L2C-310 cache controller enabled, 8 ways, 512 kB > [ 0.000000] L2C-310: CACHE_ID 0x410030c9, AUX_CTRL 0x76060001 > [ 0.000000] clocksource: timer1: mask: 0xffffffff max_cycles: > 0xffffffff, max_idle_ns: 19112604467 ns > [ 0.000005] sched_clock: 32 bits at 100MHz, resolution 10ns, wraps > every 21474836475ns > [ 0.000134] Console: colour dummy device 80x30 > [ 0.000151] Calibrating delay loop... 1836.64 BogoMIPS (lpj=9183232) > [ 0.059867] pid_max: default: 32768 minimum: 301 > [ 0.059938] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) > [ 0.059947] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 > bytes) > [ 0.060411] CPU: Testing write buffer coherency: ok > [ 0.060586] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 > [ 0.060735] Setting up static identity map for 0x8280 - 0x82d8 > [ 0.119895] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 > [ 0.119954] Brought up 2 CPUs > [ 0.119968] SMP: Total of 2 processors activated (3679.84 BogoMIPS). > [ 0.119974] CPU: All CPU(s) started in SVC mode. > [ 0.120594] devtmpfs: initialized > [ 0.124057] VFP support v0.3: implementor 41 architecture 3 part 30 > variant 9 rev 4 > [ 0.124296] clocksource: jiffies: mask: 0xffffffff max_cycles: > 0xffffffff, max_idle_ns: 19112604462750000 ns > [ 0.125249] NET: Registered protocol family 16 > [ 0.125991] DMA: preallocated 256 KiB pool for atomic coherent > allocations > [ 0.129791] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 > watchpoint registers. > [ 0.129803] hw-breakpoint: maximum watchpoint size is 4 bytes. > [ 0.163465] SCSI subsystem initialized > [ 0.163736] usbcore: registered new interface driver usbfs > [ 0.163793] usbcore: registered new interface driver hub > [ 0.163848] usbcore: registered new device driver usb > [ 0.164469] pps_core: LinuxPPS API ver. 1 registered > [ 0.164478] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 > Rodolfo Giometti <giome...@linux.it> > [ 0.164508] PTP clock support registered > [ 0.165340] clocksource: Switched to clocksource timer1 > [ 0.188264] NET: Registered protocol family 2 > [ 0.188761] TCP established hash table entries: 8192 (order: 3, 32768 > bytes) > [ 0.188839] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) > [ 0.188961] TCP: Hash tables configured (established 8192 bind 8192) > [ 0.189040] UDP hash table entries: 512 (order: 2, 16384 bytes) > [ 0.189083] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) > [ 0.189250] NET: Registered protocol family 1 > [ 0.189570] RPC: Registered named UNIX socket transport module. > [ 0.189579] RPC: Registered udp transport module. > [ 0.189584] RPC: Registered tcp transport module. > [ 0.189589] RPC: Registered tcp NFSv4.1 backchannel transport module. > [ 0.190622] futex hash table entries: 512 (order: 3, 32768 bytes) > [ 0.199426] ntfs: driver 2.1.32 [Flags: R/W]. > [ 0.200257] io scheduler noop registered (default) > [ 0.204012] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled > [ 0.204920] console [ttyS0] disabled > [ 0.204954] ffc02000.serial0: ttyS0 at MMIO 0xffc02000 (irq = 34, > base_baud = 6250000) is a 16550A > [ 0.740840] console [ttyS0] enabled > [ 0.744835] ffc03000.serial1: ttyS1 at MMIO 0xffc03000 (irq = 35, > base_baud = 6250000) is a 16550A > [ 0.755333] brd: module loaded > [ 0.758903] CAN device driver interface > [ 0.763108] stmmac - user ID: 0x10, Synopsys ID: 0x37 > [ 0.768216] Ring mode enabled > [ 0.771259] DMA HW capability register supported > [ 0.775776] Enhanced/Alternate descriptors > [ 0.780122] Enabled extended descriptors > [ 0.784112] RX Checksum Offload Engine supported (type 2) > [ 0.789585] TX Checksum insertion supported > [ 0.793835] Enable RX Mitigation via HW Watchdog Timer > [ 0.804992] libphy: stmmac: probed > [ 0.808410] eth0: PHY ID 00221611 at 4 IRQ POLL (stmmac-0:04) active > [ 1.665377] dwc2 ffb40000.usb: DWC OTG Controller > [ 1.670086] dwc2 ffb40000.usb: new USB bus registered, assigned bus > number 1 > [ 1.677138] dwc2 ffb40000.usb: irq 36, io mem 0x00000000 > [ 1.683139] hub 1-0:1.0: USB hub found > [ 1.686917] hub 1-0:1.0: 1 port detected > [ 1.691477] mousedev: PS/2 mouse device common for all mice > [ 1.697271] i2c /dev entries driver > [ 1.701325] Synopsys Designware Multimedia Card Interface Driver > [ 1.707550] dw_mmc ff704000.dwmmc0: IDMAC supports 32-bit address mode. > [ 1.714163] dw_mmc ff704000.dwmmc0: Using PIO mode. > [ 1.719035] dw_mmc ff704000.dwmmc0: Version ID is 240a > [ 1.724185] dw_mmc ff704000.dwmmc0: DW MMC controller at irq 30,32 > bit host data width,1024 deep fifo > [ 1.733502] dw_mmc ff704000.dwmmc0: Got CD GPIO > [ 1.775329] dw_mmc ff704000.dwmmc0: 1 slots initialized > [ 1.780769] usbcore: registered new interface driver usbhid > [ 1.786338] usbhid: USB HID core driver > [ 1.790327] oprofile: no performance counters > [ 1.794750] oprofile: using timer interrupt. > [ 1.799920] NET: Registered protocol family 10 > [ 1.805084] sit: IPv6 over IPv4 tunneling driver > [ 1.810277] NET: Registered protocol family 17 > [ 1.814726] NET: Registered protocol family 15 > [ 1.819173] can: controller area network core (rev 20120528 abi 9) > [ 1.825384] NET: Registered protocol family 29 > [ 1.829817] can: raw protocol (rev 20120528) > [ 1.834073] can: broadcast manager protocol (rev 20120528 t) > [ 1.839727] can: netlink gateway (rev 20130117) max_hops=1 > [ 1.845361] 8021q: 802.1Q VLAN Support v1.8 > [ 1.849630] ThumbEE CPU extension supported. > [ 1.853900] Registering SWP/SWPB emulation handler > [ 1.854029] mmc_host mmc0: Bus speed (slot 0) = 50000000Hz (slot req > 50000000Hz, actual 50000000HZ div = 0) > [ 1.854079] mmc0: new high speed SDHC card at address aaaa > [ 1.854496] mmcblk0: mmc0:aaaa SU32G 29.7 GiB > [ 1.855953] mmcblk0: p1 p2 p3 > [ 1.985343] Sending DHCP requests .. > [ 5.955860] socfpga-dwmac ff702000.ethernet eth0: Link is Up - > 1Gbps/Full - flow control rx/tx > [ 9.105279] .... timed out! > [ 85.166664] IP-Config: Retrying forever (NFS root)... > [ 85.256666] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready > [ 89.245860] socfpga-dwmac ff702000.ethernet eth0: Link is Up - > 1Gbps/Full - flow control rx/tx > [ 89.255301] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready > [ 89.275329] Sending DHCP requests ...... timed out! > [ 161.306641] IP-Config: Retrying forever (NFS root)... > [ 161.396643] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready > [ 165.385861] socfpga-dwmac ff702000.ethernet eth0: Link is Up - > 1Gbps/Full - flow control rx/tx > [ 165.395301] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready > -- Florian -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html