* Michael Mrozek <EvilDragon@xxxxxxxxxxxxxxx> [170303 08:31]: > Am Fri, 3 Mar 2017 08:19:58 -0800 hat Tony Lindgren <tony@xxxxxxxxxxx> > geschrieben: > > > > > Interesting find. > > > Could that have something to do with the weird hangs while booting? > > > Depending on the power usage of the SD Card, it could be that the SD > > > Card you're booting from simply freezes because it doesn't get > > > enough power... so instability might be caused by that. > > > Is that something we need to fix with software or does the hardware > > > need to be changed as well. > > Are you seeing hangs during boot on omap5-uevm also or just on > > pyra? > > Right now, Matthijs is mostly the one working on the current-gen Pyra > and we haven't tested it extensively before shipping it to him. > So the instability could be a faulty hardware. > I'll ship out more prototype units next week (also a new one to > Matthijs), so maybe it's just that. OK > However, we have some weird behaviour with reboots and resets where > some settings are being remembered, some aren't, etc., and we're > currently investigating that. OK recall seeing igepv5 reboot not always work or the omap5-uevm reboot always not work depending on the u-boot version. Not sure if that is still happening but that hints to something not being properly re-initialized by the kernel for clocks. > I don't think the EVM has these issues, but we're using different > hardware for the power supply and a different DT-file, so it can't > really be compared. OK Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
