05.03.2020 05:12, Peter Chen пишет: > On 20-03-04 19:10:08, Dmitry Osipenko wrote: >> Hello, >> >> I was trying out today's linux-next-20200304 and noticed this splat in KMSG: >> ... >> I haven't tried to figure out what change causes this problem, it didn't >> happen using next-20200218. Please take a look, thanks in advance. > > Dmitry, thanks for reporting. I haven't met that issue, it maybe I > enable runtime pm, but you have not? So I don't trigger > "dev->power.runtime_status != RPM_ACTIVE" condition below > > might_sleep_if(!(rpmflags & RPM_ASYNC) && !dev->power.irq_safe && > dev->power.runtime_status != RPM_ACTIVE); The runtime PM always presents on Tegra, do you have CONFIG_DEBUG_ATOMIC_SLEEP=y in the kernel's config? > I send the fix patch, but git send-email seems doesn't add auto cc > according to reported-by tag, so you are not at cc list. Would you > please have a test? It fixes the problem, thanks!