Have you tested with a battery installed? I'm imagining a hardware glitch on shutdown that causes an EC failure. Many older desktop platforms wouldn't even power on if there wasn't a CMOS battery installed.
Martin Jan 16, 2023, 11:08 by [email protected]: > Morning, > Just checking in to see if anyone had some advice on where I could look to > try and fix this problem. Note that it also happens for sleep and suspend > modes, not just shutdowns. > > Thanks, > Rafael > > Am Do., 12. Jan. 2023 um 09:16 Uhr schrieb Rafael Send <> > [email protected]> >: > >> Oh, there's not currently a battery installed - so that would do it. Thanks >> for a lead. >> >> What's the path to fixing that? Different EC blob extracted from stock BIOS, >> something in Coreboot to check? >> >> R >> >> Am Do., 12. Jan. 2023 um 09:11 Uhr schrieb Matt DeVillier <>> >> [email protected]>> >: >> >>> sounds to me like AP shutdown is causing the EC to power off as well, so >>> it's not active to respond to the subsequent power button press. Not sure >>> why disconnecting AC power would reset that though, unless you are also >>> disconnecting the internal battery as well >>> >>> On Thu, Jan 12, 2023 at 11:08 AM Rafael Send <>>> >>> [email protected]>>> > wrote: >>> >>>> Hi, >>>> As folks may have gathered from my other question about the GCC build >>>> environment, I've been playing around with the old X2100 port (>>>> >>>> https://github.com/mjg59/coreboot/tree/x2100_ng>>>> ). >>>> >>>> I got it to build and added the latest version of MrChromebox's Tianocore, >>>> but there's still one issue that keep is from being very useable. >>>> >>>> After flashing / plugging in the machine, the power button will turn it >>>> on, but only once. If I shut down any OS, or even if it goes to sleep or >>>> suspends, the power button no longer has any effect so the only "fix" is >>>> currently to unplug power and re-plug it. >>>> >>>> Where might I look for causes of this? Is it a shutdown state thing? ACPI? >>>> >>>> Thanks, >>>> Rafael >>>> _______________________________________________ >>>> coreboot mailing list -- >>>> [email protected] >>>> To unsubscribe send an email to >>>> [email protected] >>>> _______________________________________________ coreboot mailing list -- [email protected] To unsubscribe send an email to [email protected]

