On 9/21/21 5:00 PM, Robert Nelson wrote: > On Tue, Sep 21, 2021 at 4:54 PM Suman Anna <s-anna@xxxxxx> wrote: >> >> On 9/21/21 3:29 PM, Drew Fustini wrote: >>> On Tue, Sep 21, 2021 at 9:09 AM Suman Anna <s-anna@xxxxxx> wrote: >>>> >>>> Hi Matti, Tony, >>>> >>>> On 9/21/21 2:47 AM, Tony Lindgren wrote: >>>>> * Matti Vaittinen <mazziesaccount@xxxxxxxxx> [210920 08:23]: >>>>>> Finally, adding the udelay(100); (as Tony suggested) at the end of the >>>>>> omap_reset_deassert() did make the oops go away even when pruss_tm was >>>>>> enabled. I don't know what would be a proper fix though. >>>> >>>> I have been able to boot v5.15-rc1 just fine on my BBB without any additional >>>> changes [1]. >>>> >>>> May I ask what is your BBB board version? My board is rev.A5C. >>> >>> That rev is quite old [1]. Would you be able to try a Rev C? It has >>> been in production since around 2014 with the move from 2GB to 4GB >>> eMMC. >> >> I don't have any rev.C boards handy to try. >> >> I am curious to see if there is some correlation between failures and board >> versions. I see that there is a minor processor change to AM3358 from rev.B >> onwards compared to the AM3359 that I would have on my board. PRU-ICSS IP would >> be present and supported on both though. > > Rev B vs Rev C shouldn't matter.. I don't think I even have a Rev > "B".. A6A, B, to C* was done very quickly at CIrcuitCo at that time.. > > https://elinux.org/Beagleboard:BeagleBoneBlack#Revision_B > > "This version moves to the AM3358BZCZ100 processor as we are no longer > able to get the limited production version of the AM3359AZCZ100." > > I'm assuming the AM3358 had the pru enabled.. Yes, PRU-ICSS is present on AM3356 and above. regards Suman