On Thu, 21 Feb 2019 14:39:55 -0800 Tony Lindgren <tony@xxxxxxxxxxx> wrote: > * Andreas Kemnade <andreas@xxxxxxxxxxxx> [190221 22:37]: > > On Thu, 21 Feb 2019 14:25:32 -0800 > > Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > > > > * Andreas Kemnade <andreas@xxxxxxxxxxxx> [190221 22:14]: > > > > On Thu, 21 Feb 2019 13:41:57 -0800 > > > > Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > > > > I tried with just plain omap2plus_defconfig, do you have maybe > > > > > something extra enabled that I don't? > > > > > > > > > A quick guess: > > > > CONFIG_PREEMPT=y > > > > > > Hmm I just tried adding that and it still works here. > > > > > > > my config: > > > > https://misc.andi.de1.cc/mydef > > > > > > > > omap2plus_defconfig works here also. Now I need some sleep. > > > > > > Maybe you have a USB cable connected and the USB PHY is > > > producing interrupts on resume? My test devices are in a > > > rack so it's a bit hard for me to quickly test that. > > > > > usb irqs would not explain why waking up via other pinctrl does not > > cause these problems. phy modules are not loaded. > > > > So, now really brain sleep time here, hopefully a resume with fresh > > ideas. > > OK, good night. I booted your config with 8250 + nfsroot added > and I'm still unable to reproduce your issue here. > so you have more modules loaded than me when trying that. Hmm, so what do we know: - git bisect at least led to something interesting, not some unrelated thing. which might just cause timing differences. - rtcwake + actual wakeup via rtc on my config = problem - rtcwake + actual wakeup via some other pin in the wkup domain = no problem - rtcwake + actual wakeup via powerbutton (twl4030-pwrbutton) = problem - omap2plus_defconfig seems to work here - no problems at other systems with dm3730 + twl4030 with my config and with omap2plus defconfig I deduce that there happens something strange at resume independant from what happend at suspend. Probably some timing issue. Hmm, does "bisecting" omap2_defconfig and my config give some helpful information? Besides of some key points like CONFIG_PREEMPT, I will probably just find things which somehow influence timing a little, so I will probably end up without anything interesting. Hopefully it will not just fix something. I will try to add printks to find out in which order things happen. We have enable_irq_wake(irq_num); in twl4030-irq.c: Does that has any interersting consequences? sys_nirq seems to be equal on non-affected and affected systems (pinmux + twl irq config) Regards, Andreas
Attachment:
pgpmeNuLtp15_.pgp
Description: OpenPGP digital signature
