I'm using a RPi400 with Richard's port. I'm netbooting without issues and up for days. The only issue I had was forgetting to set 'enable_gic=1' as Richard instructed in the sources. Pi4 works ok without it, pi400 doesn't.
On Thu, Jan 14, 2021, 3:39 PM Mack Wallace <mac...@mapinternet.com> wrote: > Thank you for the reply Stuart, but no luck. > > I did download Mr. Miller’s image. It would not boot at all until I > replaced the files that you mention, but the kernel in that image locks up > after detecting the fourth core of the CPU. However, from that failure I > learned that those files, (start_cd.elf, start4cd.elf, fixup_cd.dat, > fixup4cd.dat) are necessary for the Pi to boot, and that those with the > bootcode.bin and presumably, but it doesn’t seem to matter whether I use > bcm2711-rpi-4-b.dtb or bcm2711-rpi-400.dtb - the dtbs are vital to the > process. - and that all those files simply need to be copied into the fat > partition/boot directory. > > So I burned another image (actually many, trying different SD cards, and > different configurations, older kernels, etc) and replaced all the files > I’ve mentioned with the ones from > https://github.com/raspberrypi/firmware/tree/master/boot (hopefully > that’s where I should get them). My most recent iteration just has the > single error repeated: > > sdhc: read error intr 2008002 stat 1fff0000 > > This occurs many times. In the middle of these errors is > > /dev/sdM0: BCM SD Host Controller 02 Version 10 > > then the error repeats itself over 50 times before printing out the lines > /dev/sdM0/data > bootargs is (tcp, tls, il, local!device)[] > > At no time during this process is the keyboard or mouse responsive. Though > the mouse icon did become visible during the boot process. > > I am hoping I am wrong, but I am thinking there is some sort of driver > issue. At the very least, checking what media there is to mount, or reading > the SD card. And then possibly for other things, but the former could be > gumming up the works for everything else. > > On Jan 14, 2021, at 6:05 PM, Stuart Morrow <morrow.stu...@gmail.com> > wrote: > > Try copying the .dtb *and* the start4 and fixup4. > > *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions > <https://9fans.topicbox.com/groups/9fans> + participants > <https://9fans.topicbox.com/groups/9fans/members> + delivery options > <https://9fans.topicbox.com/groups/9fans/subscription> Permalink > <https://9fans.topicbox.com/groups/9fans/T0178132f3d2ed689-M63bd5d3f548dbbf61c8f5402> ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T0178132f3d2ed689-Mdb22009f6100a35d3e0184c1 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription
