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>>>>>> if (err) >>>>>> >>>>> >>>>> >>>>> FYI, this patch is causing a boot regression on Tegra194 devices. I >>>>> noticed that tegra194-p2972-0000 and tegra194-p3509-0000+p3668-0000 are >>>>> no longer booting and bisect is pointing to this. I will have a closer >>>>> look and try to see why this is. >>>> >>>> Interesting. Both were booting for me during my verification, though >>>> my use case involves the dt changes that I don't believe have been >>>> picked up yet. Thought I had explicitly verified without the dt >>>> changes too, though. Since I was asked to do so on this or one of the >>>> other similar series. I will try to check linux-next as-is soon. >>> >>> I just built next-20251110 using the standard arm64 defconfig and >>> flashed the resulting Image and dtb's to p2972 and p3518 (p3509+p3668) >>> and both booted to cli on a barebones busybox ramdisk. I do not see >>> any errors from tegra-mc, and the only error I see from tegra186-emc >>> is that it can't find the opp tables, which is expected without the dt >>> changes, and is not fatal. >> >> Thanks for testing. Something is not right because our boards are >> failing. So may be we are doing/testing something different. However, >> this should not break. So there is a problem here. > > > Did you meant: "So there is NO problem here"? Nope. I mean that this is a problem here. > I kept these for 10 days in linux-next and yesterday sent them in pull > request. If some patches are needed on top, they can still fit coming > merge window if sent soon. Looking back I see it started failing with next-20251103. next-20251031 was fine. Reverting this commit on top of next-20251110 fixes the issue. There may be a difference in the firmware being used. Our testing is based upon an older NVIDIA L4T r32.5.1 release but nonetheless, we should not break that. Jon -- nvpublic