linux-kernel - Re: lockup when C1E and high-resolution timers enabled

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Date:	Mon, 15 Jun 2015 01:05:07 +0200
From:	Christoph Fritz <chf.fritz@...glemail.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Daniel J Blueman <daniel@...ra.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: lockup when C1E and high-resolution timers enabled

> > already using latest microcode:
> > 
> > [    0.514490] microcode: CPU0: patch_level=0x06000822
> > [    0.514497] microcode: CPU1: patch_level=0x06000822
> > [    0.514508] microcode: CPU2: patch_level=0x06000822
> > [    0.514519] microcode: CPU3: patch_level=0x06000822
> > [    0.514529] microcode: CPU4: patch_level=0x06000822
> > [    0.514540] microcode: CPU5: patch_level=0x06000822
> > [    0.514550] microcode: CPU6: patch_level=0x06000822
> > [    0.514561] microcode: CPU7: patch_level=0x06000822
> 
> This is not the latest microcode.

> so what changed?

nice catch, my bad -- forgot to post all microcode messages.

$ dmesg | grep microcode:
[    0.514422] microcode: CPU0: patch_level=0x06000822
[    0.514429] microcode: CPU1: patch_level=0x06000822
[    0.514440] microcode: CPU2: patch_level=0x06000822
[    0.514450] microcode: CPU3: patch_level=0x06000822
[    0.514460] microcode: CPU4: patch_level=0x06000822
[    0.514493] microcode: CPU5: patch_level=0x06000822
[    0.514502] microcode: CPU6: patch_level=0x06000822
[    0.514513] microcode: CPU7: patch_level=0x06000822
[    0.514557] microcode: Microcode Update Driver: v2.00 <tigran@...azian.fsnet.co.uk>, Peter Oruba
[    3.909642] microcode: CPU0: new patch_level=0x06000832
[    3.940694] microcode: CPU2: new patch_level=0x06000832
[    3.955187] microcode: CPU4: new patch_level=0x06000832
[    3.963403] microcode: CPU6: new patch_level=0x06000832

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