g_vfs_done():ada0p3[WRITE(offset=194326200320, length=32768)]error = 6ahcich0: Timeout on slot 26 port 0ahcich0: is 00000002 cs 00000000 ss 00000000 rs 04000000 tfd 50 serr 00000000 cmd 00407a17(aprobe0:ahcich0:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00(aprobe0:ahcich0:0:0:0): CAM status: Command timeout(aprobe0:ahcich0:0:0:0): Error 5, Retries exhausted
solved in mainline BIOS versions *after* 4.6.7 (latest one currently is 4.9.0.1)
flashrom -w apu4_v4.9.0.1.rom -p internal:boardmismatch=force