Today's limited progress:
1. U-Boot from eMMC is used by default. Shipping devices have outdated
U-Boot.
2. Rule out U-Boot, and use Yocto built U-Boot by pressing RST + BOOT,
wait, release RST, then release BOOT. Boot flow will use all boot bits
from the SD card with this approach.
3. Update `linux-bb.org_git.bb` to use tip of tree:
# 5.10.168 version for 32-bit
SRCREV:armv7a = "0f40ca5e749e9176ad4ea30c68be4fb2340647db"
PV:armv7a = "5.10.168+git${SRCPV}"
BRANCH:armv7a = "5.10.168-ti-r71"
# 5.10.168 version for 64-bit
SRCREV:aarch64 = "ac2750dbf3a3b9078feff995e6754d5c5f609c19"
PV:aarch64 = "5.10.168+git${SRCPV}"
BRANCH:aarch64 = "v5.10.168-ti-arm64-r110"
Updating kernel has no impact on kernel panic:
[ 6.621063] pvrsrvkm: loading out-of-tree module taints kernel.
[ 6.637510] PVR_K: 251: Device: 4e20000000.gpu
[ 6.642337] SError Interrupt on CPU0, code 0xbf000000 -- SError
[ 6.642339] CPU: 0 PID: 251 Comm: systemd-udevd Tainted: G O
5.10.168+ #1
[ 6.642340] Hardware name: BeagleBoard.org BeagleBone AI-64 (DT)
[ 6.642341] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--)
[ 6.642343] pc : _RGXReadBVNCFromReg.isra.0+0x20/0x140 [pvrsrvkm]
[ 6.642343] lr : RGXBvncInitialiseConfiguration+0x274/0x9c0 [pvrsrvkm]
[ 6.642344] sp : ffff8000143db740
[ 6.642345] x29: ffff8000143db740 x28: ffff8000091e4548
[ 6.642349] x27: 0000000000000000 x26: ffff8000143db7a8
[ 6.642351] x25: ffff0008132da000 x24: ffff000813c741a0
[ 6.642353] x23: 0000000000000000 x22: ffff8000091ed000
[ 6.642355] x21: ffff000813c74008 x20: ffff8000091947c0
[ 6.642357] x19: 0000000000000000 x18: ffff800009142e74
[ 6.642359] x17: 000000ffc0000000 x16: ffff8000091431e0
[ 6.642361] x15: ffff800009142e60 x14: ffff800009140dd0
[ 6.642363] x13: ffff80000914c124 x12: 0000000000000000
[ 6.642365] x11: ffff000813c74008 x10: 0000000000000020
[ 6.642367] x9 : 0000000000000000 x8 : 0000000000000024
[ 6.642369] x7 : 0000000000000000 x6 : ffff800012500000
[ 6.642371] x5 : ffff8000143db7b0 x4 : ffff8000143db7ac
[ 6.642373] x3 : ffff8000143db7a8 x2 : ffff8000143db7a4
[ 6.642375] x1 : 0000000000000000 x0 : ffff000813c74008
[ 6.642377] Kernel panic - not syncing: Asynchronous SError Interrupt
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