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Date: Wed, 1 Jan 2014 17:51:59 -0500
From: Gene Heskett <gheskett@...v.com>
To: linux-kernel@...r.kernel.org
Subject: I'll pay along, if somebody would tell me the rules
Greetings;
Back on the failure of the amd microcode to properly update the cpu. It
seems to be somewhat interlocked with PAE.
Basically, 1. a 64 bit kernel will not boot, I think because it cannot
access the /boot partition to find its corresponding initrd file. And if I
check it, the rest of my .config is mix-mastered, and I have to copy a
known good .config back into that tree before I can make a PAE kernel that
actually boots.
2. If I build w/o the PAE, then the microcode update works most of the
time.
3. With PAE, it hasn't worked since 3.8.2 final.
4. I am building several thousand modules I don't need, because while I can
turn them off, about 2500-3000 of them but they are found to be back on
after a build and an attempted boot to that build fails, or doesn't mount
the /boot partition. Its a failure either way.
Attached is a .config that builds PAE but the microcode_ctl, when it runs,
fails. And if I try to re-run /etc/init.d/microcode_ctl after the boot, I
get this:
[sudo] password for gene:
/etc/init.d/microcode_ctl: 90: gprintf: not found
But that is NOT what a demsg|grep microcode says:
gene@...ote:~$ dmesg|grep microcode
microcode: CPU0: patch_level=0x01000065
microcode: CPU1: patch_level=0x01000065
microcode: CPU2: patch_level=0x01000065
microcode: CPU3: patch_level=0x01000065
microcode: Microcode Update Driver: v2.00 <tigran@...azian.fsnet.co.uk>,
Peter Oruba
The above snippet should show 4 more lines, indicating the patch_level
is now 0x01000083.
I have been at this for about a week now, even did 3 bisects only to have
git blame the next makefile at the end of the bisect. Must be its default
when it gives up?
Clueless, due to a lack of consistency in expected results, compounded by
something re-writing my .config file, that much is 100% repeatable.
Clues in the attached .config? I'll let you tell me if you've the time.
Cheers, Gene
View attachment ".config" of type "text/x-mpsub" (105420 bytes)
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