Emil wrote: > > > > > Hi Daniel / Thomas > > > > > > > > I have submitted new version of patch for jh7110 timer driver. > > > > Could you please > > > help to review and give your comments? > > > > Thanks a lot! > > > > > > Hi Ziv > > > > > > I tried this on 6.9-rc6 on my VF2. It boots, but very slowly and > > > "choppy". That is it repeatedly runs for <1s and then hangs for about 4s. > > > > > > Does this patch work for you? > > > > > > /Emil > > > > Hi, Emil > > > > I tried this on 6.9-rc7 and 6.9-rc7, but it doesn't reproduce the phenomenon > you said. > > The attachment is the log for 6.9-rc6. Could you please share your config file > (starfive_visionfive2_defconfig or .config) with me? > > Yeah, I just tried again on 6.9-rc7 (+ Conor's riscv-dt-for-next, Minda's PCIe > patches and the PWM driver) with this config: > > https://sprunge.us/kiXXba > > I don't know if it makes a difference but my also board boots via EFI. > > /Emil Hi, Emil The cause of booting slowly is that when JH7110-Timer is registered as clockevent device, the soft timer will be pending while the crng tries to generate entropy(try_to_generate_entropy funcition in linux/driver/char/random.c). This can be avoided with setting CONFIG_HW_RANDOM and CONFIG_HW_RANDOM_JH7110 as "y". But I can't find a root casue. Could you please give me some advice? Best Regards Ziv.Xu