On Thu, Jul 14, 2022 at 01:57:50PM +0100, Mark Rutland wrote: > On Thu, Jul 14, 2022 at 12:42:08PM +0100, Mark Brown wrote: > > On Thu, Jul 14, 2022 at 12:26:05PM +0100, Mark Rutland wrote: > > > > > I note that your log has: > > > > > | Hit any key to stop autoboot: 1 0 > > > | smh_open: ERROR fd -1 for file 'boot.img' > > > | smh_open: ERROR fd -1 for file 'Image' > > > | smh_open: ERROR fd -1 for file 'devtree.dtb' > > > | smh_open: ERROR fd -1 for file 'ramdisk.img' > > > > ... > > > > > | Hit any key to stop autoboot: 0 > > > | smh_open: ERROR fd -1 for file 'boot.img' > > > | loaded file Image from 80080000 to 82F299FF, 02EA9A00 bytes > > > | smh_open: ERROR fd -1 for file 'devtree.dtb' > > > | smh_open: ERROR fd -1 for file 'ramdisk.img' > > > | fdt - flattened device tree utility commands > > > > > ... and I wonder if that has something to do with it, given it appears that > > > your Image is corrupted somehow. > > > > Naresh's command line is putting Image directly into RAM with > > > > --data cluster0.cpu0=/tuxrun-r4_1075p-lava-1/Image@0x80080000 > > Likewise in mine: > > --data cluster0.cpu0=/mnt/data/models/fvp/naresh/Image@0x80080000 > > ... as I'm using the same command line, just with paths altered. ... and I've just reproduced the issue by running the script from a different directory, since apprarently the semihosting interface just grabs the file from the current directory. I'm pretty sure this means that *something* is clobbering the Image early on during boot, and the semihisting loading happens to refresh it. Thanks, Mark.