DF-2630 build.log (summary; full untrimmed compiler logs were lost with the
QEMU disk reverts between fix-kernel iterations — recorded per-iteration
output follows)

[host] python3 findings/poc/DF-2630/forge_df2630.py base.img wedge wedge.img
[forge] sroot bref @volhdr+0x200 (methods 0x31 -> 00)
[forge] testvol inode bref @0x1400200 (methods 0x30 -> 00) -> inode blk @0x1400800
[forge] wedge: pfs_nmasters 0x0 -> 0x2
[+] wrote wedge.img (variant wedge)
[forge] control: pfs_nmasters 0x0 -> 0x1
[+] wrote control.img (variant control)
wedge vs control: cmp -l -> byte 20973703 (1-based) differs: 2 vs 1
md5: base 956fc18a70f6689a8669e21d372b4eb9 / wedge 6f179f72d102c11726f33823a7cb2cf0 /
     control c760c5a7cb25f2d5c1808d10a5cb29a3

[guest] fix kernel (with DF-2630+DF-2631 fix.diff applied to /usr/src):
# cd /usr/src && make nativekernel && make installkernel
-> BUILD_RC=0
-> >>> Kernel install for X86_64_GENERIC completed on Sat Aug 29 05:10:55 UTC 2026
(identical 2630 hunks in the 02:23:41 and 02:52:56 builds; all BUILD_RC=0)