8888 2016-01-06 15:54:11 +0000 qemu-x86-64 crashes when running postinst intercepts 2016-03-01 08:04:38 +0000 1 1 7 Build System, Metadata & Runtime OE-Core devtools / tool chain 2.0 All Multiple VERIFIED FIXED High normal 2.1 M3 1 ross.burton ross.burton alexandru.costinx.roman meta.mr.watcher meta.watcher alexandru.costinx.roman --- --- No (bug/feature does not impact docs) oldest_to_newest 57590 0 ross.burton 2016-01-06 15:54:11 +0000 If I build core-image-sato for intel-corei7-64 I end up with core dumps in my build directory because qemu segfaulted: NOTE: Running intercept scripts: NOTE: > Executing update_font_cache intercept ... qemu: uncaught target signal 4 (Illegal instruction) - core dumped Illegal instruction I'm guessing the target binaries are using instructions that qemu doesn't support? 57640 1 cristian.iorga 2016-01-07 16:23:35 +0000 Investigation started. 57647 2 ross.burton 2016-01-07 17:20:08 +0000 Just to update the bug, there are several places where this could have gone wrong: 1. regression into qemu 2. new compiler using new opcodes that qemu doesn't support 3. software using new opcodes that qemu doesn't support 4. wrong cpu type being passed to qemu in the wrapper 58730 3 ross.burton 2016-02-08 14:15:11 +0000 fontconfig is executing the popcnt instruction that is part of SSE4.2, as requested by tune-corei7.inc. Testing a patch to tell qemu.bbclass to pass -cpu Nelhalem so this instruction is emulated. 58733 4 ross.burton 2016-02-08 15:16:32 +0000 Patch posted. 58885 5 ross.burton 2016-02-11 14:13:09 +0000 Fixed in oe-core fef106b9b97ec48bad2b9a084357b884f653d6c8. 59559 6 alexandru.costinx.roman 2016-03-01 08:04:38 +0000 Verified on master: 4006a7f2762ccd5dcbc6cdff49482d4387a73261