Public bug reported:
dmesg | grep -i microcode
[ 0.000000] CPU0 microcode updated early to revision 0xa0b, date = 2010-09-28
[ 0.718229] microcode: CPU0 sig=0x1067a, pf=0x40, revision=0xa0b
[ 0.718248] microcode: CPU1 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718266] microcode: CPU2 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718280] microcode: CPU3 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718286] microcode: CPU4 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718296] microcode: CPU5 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718308] microcode: CPU6 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718339] microcode: CPU7 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718441] microcode: Microcode Update Driver: v2.00
<[email protected]>, Peter Oruba
This is weird. All CPU cores showing same sig, but only one core's
microcode updated?
The machines have two physical CPUs, both are L5420, thus totally 8 CPU
cores.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1423296
Title:
Only one CPU core gets microcode updated
Status in linux package in Ubuntu:
New
Bug description:
dmesg | grep -i microcode
[ 0.000000] CPU0 microcode updated early to revision 0xa0b, date =
2010-09-28
[ 0.718229] microcode: CPU0 sig=0x1067a, pf=0x40, revision=0xa0b
[ 0.718248] microcode: CPU1 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718266] microcode: CPU2 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718280] microcode: CPU3 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718286] microcode: CPU4 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718296] microcode: CPU5 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718308] microcode: CPU6 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718339] microcode: CPU7 sig=0x1067a, pf=0x40, revision=0xa07
[ 0.718441] microcode: Microcode Update Driver: v2.00
<[email protected]>, Peter Oruba
This is weird. All CPU cores showing same sig, but only one core's
microcode updated?
The machines have two physical CPUs, both are L5420, thus totally 8
CPU cores.
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