Both "yes" and "early" work fine. However when I set IUCODE_TOOL_INITRAMFS=no, update the initramfs, reboot and then reinstall intel-microcode I get the same trap invalid opcode.
I guess no processes that use libpthread run during early boot when the microcode update is applied. early: [ 0.000000] CPU0 microcode updated early to revision 0x1c, date = 2014-07-03 [ 0.083506] CPU1 microcode updated early to revision 0x1c, date = 2014-07-03 [ 0.097821] CPU2 microcode updated early to revision 0x1c, date = 2014-07-03 [ 0.112006] CPU3 microcode updated early to revision 0x1c, date = 2014-07-03 [ 0.547442] microcode: CPU0 sig=0x306c3, pf=0x2, revision=0x1c [ 0.547513] microcode: CPU1 sig=0x306c3, pf=0x2, revision=0x1c [ 0.547587] microcode: CPU2 sig=0x306c3, pf=0x2, revision=0x1c [ 0.547661] microcode: CPU3 sig=0x306c3, pf=0x2, revision=0x1c yes: [ 0.557422] microcode: CPU0 sig=0x306c3, pf=0x2, revision=0x16 [ 0.557496] microcode: CPU1 sig=0x306c3, pf=0x2, revision=0x16 [ 0.557569] microcode: CPU2 sig=0x306c3, pf=0x2, revision=0x16 [ 0.557643] microcode: CPU3 sig=0x306c3, pf=0x2, revision=0x16 [ 2.725811] microcode: CPU0 sig=0x306c3, pf=0x2, revision=0x16 [ 2.727303] microcode: CPU0 updated to revision 0x1c, date = 2014-07-03 [ 2.727352] microcode: CPU1 sig=0x306c3, pf=0x2, revision=0x16 [ 2.728156] microcode: CPU1 updated to revision 0x1c, date = 2014-07-03 [ 2.728182] microcode: CPU2 sig=0x306c3, pf=0x2, revision=0x16 [ 2.728954] microcode: CPU2 updated to revision 0x1c, date = 2014-07-03 [ 2.728996] microcode: CPU3 sig=0x306c3, pf=0x2, revision=0x16 [ 2.729867] microcode: CPU3 updated to revision 0x1c, date = 2014-07-03 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1370352 Title: [Feature] Intel new CPU microcode 20140913 To manage notifications about this bug go to: https://bugs.launchpad.net/intel/+bug/1370352/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
