I think I got a  result with the kernel netbsd.quadra the boot goes all the way
then my screen turn white and it continues to log  all the way to the end
 without crashing at the end I got this sign >

with both options with the miniroot or without
and with the color set to 256

  is it working ? shall I install it to my unix partition

shall I open the champagne !!!

this is the result of the bootlog
Logging to bootlog
Booting...MID_M68K executable: entry 0x3382.
794868+58540+95560+152796+139386
Loading 1145622 byte miniroot...Done.

Set _boothowto to 0x202.
  Bye-bye...
        So I sez to him...  The real way
        that it should be done is to...
Env: "ROOT_SCSI_ID" set to 0 (0x0).
Env: "SINGLE_USER" set to 2 (0x2).
Env: "VIDEO_ADDR" set to 1343227904 (0x50100800).
Env: "ROW_BYTES" set to 1024 (0x400).
Env: "FLAGS" set to -2147349262 (0x80020cf2).
Env: "SCREEN_DEPTH" set to 8 (0x8).
Env: "DIMENSIONS" set to 31457920 (0x1e00280).
Env: "BOOTTIME" set to -421124285 (0xe6e62743).
Env: "GMTBIAS" set to 0 (0x0).
Env: "BOOTERVER" set to 108 (0x6c).
Env: "MACOS_VIDEO" set to 1343227904 (0x50100800).
Env: "MACOS_SCC" set to 1357922304 (0x50f04000).
Env: "MACHINEID" set to 60 (0x3c).
Env: "MEMSIZE" set to 24 (0x18).
Env: "GRAYBARS" set to 1 (0x1).
Env: "SERIALECHO" set to 0 (0x0).
Env: "SERIALCONSOLE" set to 0 (0x0).
Env: "SERIAL_MODEM_FLAGS" set to 0 (0x0).
Env: "SERIAL_MODEM_HSKICLK" set to 0 (0x0).
Env: "SERIAL_MODEM_GPICLK" set to 0 (0x0).
Env: "SERIAL_PRINT_FLAGS" set to 0 (0x0).
Env: "SERIAL_PRINT_HSKICLK" set to 0 (0x0).
Env: "SERIAL_PRINT_GPICLK" set to 0 (0x0).
Env: "PROCESSOR" set to 2 (0x2).
Env: "END_SYM" set to 1249102 (0x130f4e).
Env: "ROMBASE" set to 1082130432 (0x40800000).
Env: "TIMEDBRA" set to 6255 (0x186f).
Env: "ADBDELAY" set to 511 (0x1ff).
Env: "HWCFGFLAGS" set to -1024 (0xfffffc00).
Env: "HWCFGFLAG2" set to 1224738847 (0x4900081f).
Env: "HWCFGFLAG3" set to 587251494 (0x2300bf26).
Env: "ADBREINIT_JTBL" set to 1082213304 (0x408143b8).

Set _mac68k_vrsrc_cnt to 0.