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  1. Z28 [RK3328] 1/8

    Great News Igor got his Z28 running! I have one getting dust here, until someone with more skills solve the Reboot and Ethernet MAC address issue ( random MAC ). R
  2. Z28 [RK3328] 1/8

    I have extract the DTS from this image: LUSHEN_XJH_ZY168_V00_A7_1_RTL8188ETV_RKMC_Z28_20170524104049.rar The logo seems to confirm it is Z-28, but the DTS says it is for RK3228, which seems wrong.... anyway, I have attached the files for your reference. logo.bmp z-28.dts
  3. Z28 [RK3328] 1/8

    Hi all, Do we know if the DT for Z-28 is really identical to ROCK64 ? It seems folks are using a build for ROCK54, but I have not seen the DT files that describes this H/W. R
  4. Z28 [RK3328] 1/8

    Berni, I have tried some of these "reboot" options, but none seems to work. A thing that I observed is that the LED on top goes "blue", and stay that way. During normal operation is kind of "orange" ( lightly ). Reapplying power, it boots normally. The bad news is that we can reboot from a script for example. R
  5. Searching google a bit, I think this issue is very similar to what this guy reported:
  6. I don't know if this info is necessary, but that is what I get when I use this grabber to encode some input stream, OPI-PC : Linux orangepipc 4.11.7-sun8i #12 SMP Wed Jun 28 13:18:43 CEST 2017 armv7l armv7l armv7l GNU/Linux Driver loads ok: [ 9.158844] usbtv 4-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 9.158931] usbcore: registered new interface driver usbtv root@orangepipc:/opt# ls -l /dev/video0 crw-rw---- 1 root video 81, 0 Oct 13 13:35 /dev/video0 When it crashes: -------------------------------------------------------------------------- [ 295.258775] INFO: rcu_sched self-detected stall on CPU [ 295.265071] 0-...: (1 GPs behind) idle=6c9/140000000000002/0 softirq=6053/6053 fqs=1031 [ 295.273752] (t=2101 jiffies g=1886 c=1885 q=2148) [ 295.278446] INFO: rcu_sched detected stalls on CPUs/tasks: [ 295.278894] 0-...: (1 GPs behind) idle=6c9/140000000000002/0 softirq=6053/6053 fqs=1031 [ 295.278945] (detected by 1, t=2102 jiffies, g=1886, c=1885, q=2155) [ 295.279400] Sending NMI from CPU 1 to CPUs 0: [ 305.309817] rcu_sched kthread starved for 1003 jiffies! g1886 c1885 f0x0 RCU_GP_DOING_FQS(4) ->state=0x0 [ 305.309894] NMI backtrace for cpu 0 [ 305.310253] CPU: 0 PID: 138 Comm: kworker/0:3 Not tainted 4.11.7-sun8i #12 [ 305.310342] Hardware name: Allwinner sun8i Family [ 305.310717] Workqueue: events dbs_work_handler [ 305.311315] [<c010bad5>] (unwind_backtrace) from [<c01090df>] (show_stack+0xb/0xc) [ 305.311724] [<c01090df>] (show_stack) from [<c0463c39>] (dump_stack+0x69/0x78) [ 305.312121] [<c0463c39>] (dump_stack) from [<c0466117>] (nmi_cpu_backtrace+0x8f/0x90) [ 305.312476] [<c0466117>] (nmi_cpu_backtrace) from [<c04661bb>] (nmi_trigger_cpumask_backtrace+0xa3/0xd8) [ 305.312920] [<c04661bb>] (nmi_trigger_cpumask_backtrace) from [<c019c99b>] (rcu_dump_cpu_stacks+0x75/0x96) [ 305.313418] [<c019c99b>] (rcu_dump_cpu_stacks) from [<c01606c5>] (rcu_check_callbacks+0x415/0x5d0) [ 305.313844] [<c01606c5>] (rcu_check_callbacks) from [<c01628ed>] (update_process_times+0x25/0x44) [ 305.314223] [<c01628ed>] (update_process_times) from [<c016f0f3>] (tick_sched_timer+0x2b/0x54) [ 305.314604] [<c016f0f3>] (tick_sched_timer) from [<c016335b>] (__hrtimer_run_queues+0xd7/0x140) [ 305.314964] [<c016335b>] (__hrtimer_run_queues) from [<c016356f>] (hrtimer_interrupt+0x7b/0x16c) [ 305.315383] [<c016356f>] (hrtimer_interrupt) from [<c05d9527>] (arch_timer_handler_phys+0x1f/0x24) [ 305.315893] [<c05d9527>] (arch_timer_handler_phys) from [<c0159e07>] (handle_percpu_devid_irq+0x4b/0xd8) [ 305.316315] [<c0159e07>] (handle_percpu_devid_irq) from [<c0156c9b>] (generic_handle_irq+0x17/0x20) [ 305.316701] [<c0156c9b>] (generic_handle_irq) from [<c0157057>] (__handle_domain_irq+0x3f/0x80) [ 305.317056] [<c0157057>] (__handle_domain_irq) from [<c0101335>] (gic_handle_irq+0x39/0x6c) [ 305.317382] [<c0101335>] (gic_handle_irq) from [<c0109925>] (__irq_svc+0x65/0x94) [ 305.317515] Exception stack(0xc9c37bd8 to 0xc9c37c20) [ 305.317696] 7bc0: 00000000 40000193 [ 305.318015] 7be0: 00000002 00009ad2 edc4b100 60000113 eeb7e400 00000000 eeb7e4d8 ffffe000 [ 305.318337] 7c00: 40000000 c0b02080 60000193 c9c37c28 c056c0f7 c0559728 60000133 ffffffff [ 305.318744] [<c0109925>] (__irq_svc) from [<c0559728>] (__usb_hcd_giveback_urb+0x5c/0xd4) [ 305.319164] [<c0559728>] (__usb_hcd_giveback_urb) from [<c0559803>] (usb_giveback_urb_bh+0x63/0x94) [ 305.319580] [<c0559803>] (usb_giveback_urb_bh) from [<c011bb49>] (tasklet_hi_action+0x51/0xbc) [ 305.319984] [<c011bb49>] (tasklet_hi_action) from [<c011bd57>] (__do_softirq+0xa7/0x1a0) [ 305.320370] [<c011bd57>] (__do_softirq) from [<c011c059>] (irq_exit+0x8d/0xdc) [ 305.320757] [<c011c059>] (irq_exit) from [<c015705b>] (__handle_domain_irq+0x43/0x80) [ 305.320896] rcu_sched R [ 305.321217] [<c015705b>] (__handle_domain_irq) from [<c0101335>] (gic_handle_irq+0x39/0x6c) [ 305.321293] running task [ 305.321569] [<c0101335>] (gic_handle_irq) from [<c0109925>] (__irq_svc+0x65/0x94) [ 305.321700] Exception stack(0xc9c37d18 to 0xc9c37d60) [ 305.321853] 0 8 2 0x00000000 [ 305.322034] 7d00: 00000083 00000001 [ 305.322461] [<c06f80c3>] (__schedule) from [<c06f876f>] (preempt_schedule_common+0x13/0x20) [ 305.322856] [<c06f876f>] (preempt_schedule_common) from [<c06f87a3>] (_cond_resched+0x27/0x2c) [ 305.322955] 7d20: fff95200 00004024 f0809000 c09142d4 042c1d80 00000000 10000000 0010624c [ 305.323403] [<c06f87a3>] (_cond_resched) from [<c015fd0f>] (rcu_gp_kthread+0x357/0x6b0) [ 305.323499] 7d40: 610333fe 0000003f 29aa5045 c9c37d6c c04ab0db c0163f8c 60000133 ffffffff [ 305.323850] [<c0109925>] (__irq_svc) from [<c0163f8c>] (ktime_get+0x8/0xbc) [ 305.324230] [<c015fd0f>] (rcu_gp_kthread) from [<c012c639>] (kthread+0xf5/0xfc) [ 305.324646] [<c012c639>] (kthread) from [<c01060f1>] (ret_from_fork+0x11/0x20) [ 305.324902] [<c0163f8c>] (ktime_get) from [<90001810>] (0x90001810)
  7. yes, the driver for this H/W, I think was mainlined on 3.12 or something like that. 3.4 does not have it. R
  8. Let me clarify. The device /dev/video0 is created ok. When I try to use FFMPEG to SW encode the stream, all 4 CPUs go to 100% and the system locks up, after 1 minute. R
  9. I tried this with Mainline kernel on OPI-PC ( 4.11.7 ), and it works for about 1 minute and locks up the system. All 4 CPU go to 100%, and Eth0 stops working quickly. I gave up on it.
  10. ASUS Tinker Board Reboot

    TonyMac32, Reading this thread, I've noticed you fixed the "reboot" issue with this Rockchip processor. I have a Z-28 box, RK3328, and the reboot does not work. Could you describe how you fixed, maybe the problem on the Z-28 is the same, and I could try it. Thanks, R
  11. Z28 [RK3328] 1/8

    @Berni, Yes, when I issue a "reboot" command from the console, it hangs. I have to unplug the power supply from the board for a couple of seconds and power it again. Unfortunately I don;t have a serial console or something like that to display any errors. I think many of these options don;t apply to ARM, and since there is no BIOS/ACPI/PCI, etc. R
  12. Z28 [RK3328] 1/8

    thanks for all links. I will browse them. rock64@rock64:~$ uname -a Linux rock64 4.4.77-rockchip-ayufan-118 #1 SMP Thu Sep 14 21:59:24 UTC 2017 aarch64 aarch64 aarch64 GNU/Linux I forgot to mention what works and what don't on the image I used, even though, I upgraded using the "apt-get" commands. 1. "reboot" does not work. It hangs, and a power off is required to restart. 2. Ethernet does not work, and "MAC address" changes on each reboot. 3. "Wi-Fi" is really bad, I need to place box close to the Router ( AP ). Something no more then 5m ( Chip is 8188 ).
  13. Z28 [RK3328] 1/8

    I have got a Z28 board ( 8188 wifi ), and I have been able to boot Linux from SD card. I used the image from the begin of this thread. I'd like to help testing the VPU driver. Is there any built image with VPU enabled, and possibly with gstreamer/FFMPEG using the VPU capabilities. No need for Mali stuff for now. Any link with pointers would be nice. Thanks.