Found the problem. 4240 broke builtd_option_tbl due to the addition of error checking which got the sense of fwrite wrong. fwrite returns 0 on error, non-zero otherwise; the code was written to assume non-zero was an error.
patch attached inline, qemu is booting again. If somebody wants to ack this and commit it that is fine with me.
Signed-off-by: Ronald G. Minnich rminnich@gmail.com
Index: util/options/build_opt_tbl.c =================================================================== --- util/options/build_opt_tbl.c (revision 4263) +++ util/options/build_opt_tbl.c (working copy) @@ -511,13 +511,13 @@ } /* write the array values */ for(i=0;i<(ct->size-1);i++) { - if(!(i%10) && !err) err=fwrite("\n\t",1,2,fp); + if(!(i%10) && !err) err=!fwrite("\n\t",1,2,fp); sprintf(buf,"0x%02x,",cmos_table[i]); - if(!err) err=fwrite(buf,1,5,fp); + if(!err) err=!fwrite(buf,1,5,fp); } /* write the end */ sprintf(buf,"0x%02x\n",cmos_table[i]); - if(!err) err=fwrite(buf,1,4,fp); + if(!err) err=!fwrite(buf,1,4,fp); if(!fwrite("};\n",1,3,fp)) { perror("Error - Could not write image file"); fclose(fp);