[Bug 221029] AMD Ryzen: strange compilation failures using poudriere or plain buildkernel/buildworld

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221029

--- Comment #30 from Nils Beyer <nbe at renzel.net> ---
Time for the action which AMD tech support requested; I've just answered them:
-----------------------------------------------------------------------------
Hi ...,

1) regarding system freezes and unexpected reboots
==================================================
it seems that the workaround patch by the FreeBSD developer Don Lewis fixes
the system freezes and unexpected reboots here on my system.

Please take a look here:

    https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219399#c89
    https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219399#c177


2) regarding segmentation faults and other unexpected failures during
compilations
==================================================================================
the unexpected compilation failures are still there - despite the above
mentioned
workaround patch. The strange thing is, that in a second run, these failed
compilations
attempts magicially succeed, but some other will fail instead.

Please take a look here:

    https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221029#c28

So, I've followed your request; powered-down my system, removed all cables
(power,
LAN and USB); removed my CMOS battery; let it sit for ten minutes; reattached
every-
thing; powered-on my system; went into BIOS and set CPU voltage staticly to
1.3625V
(s. attachment)

Now, my system is up and I'll be running my compilation tests once more.


3) MCA messages in kernel
=========================
during my compilation tests I got several MCA messages in kernel log (on both
of my Ryzen systems):
-------------------------------------------------------------------------------------------------------------------
/var/log/messages:Jul 28 00:09:41 asbach kernel: MCA: Bank 1, Status
0x90200000000b0151
/var/log/messages:Jul 28 00:09:41 asbach kernel: MCA: Global Cap
0x0000000000000117, Status 0x0000000000000000
/var/log/messages:Jul 28 00:09:41 asbach kernel: MCA: Vendor "AuthenticAMD", ID
0x800f11, APIC ID 9
/var/log/messages:Jul 28 00:09:41 asbach kernel: MCA: CPU 9 COR ICACHE L1 IRD
error
/var/log/messages.0.bz2:Jul 27 10:09:41 asbach kernel: MCA: Bank 1, Status
0x90200000000b0151
/var/log/messages.0.bz2:Jul 27 10:09:41 asbach kernel: MCA: Global Cap
0x0000000000000117, Status 0x0000000000000000
/var/log/messages.0.bz2:Jul 27 10:09:41 asbach kernel: MCA: Vendor
"AuthenticAMD", ID 0x800f11, APIC ID 9
/var/log/messages.0.bz2:Jul 27 10:09:41 asbach kernel: MCA: CPU 9 COR ICACHE L1
IRD error
/var/log/messages.1.bz2:Jul 26 05:09:41 asbach kernel: MCA: Bank 1, Status
0xd0200000000b0151
/var/log/messages.1.bz2:Jul 26 05:09:41 asbach kernel: MCA: Global Cap
0x0000000000000117, Status 0x0000000000000000
/var/log/messages.1.bz2:Jul 26 05:09:41 asbach kernel: MCA: Vendor
"AuthenticAMD", ID 0x800f11, APIC ID 4
/var/log/messages.1.bz2:Jul 26 05:09:41 asbach kernel: MCA: CPU 4 COR OVER
ICACHE L1 IRD error
/var/log/messages.18.bz2:Jul  5 13:28:55 asbach kernel: MCA: Bank 1, Status
0x90200000000b0151
/var/log/messages.18.bz2:Jul  5 13:28:55 asbach kernel: MCA: Global Cap
0x0000000000000117, Status 0x0000000000000000
/var/log/messages.18.bz2:Jul  5 13:28:55 asbach kernel: MCA: Vendor
"AuthenticAMD", ID 0x800f11, APIC ID 14
/var/log/messages.18.bz2:Jul  5 13:28:55 asbach kernel: MCA: CPU 14 COR ICACHE
L1 IRD error
/var/log/messages.18.bz2:Jul  5 19:28:55 asbach kernel: MCA: Bank 1, Status
0x90200000000b0151
/var/log/messages.18.bz2:Jul  5 19:28:55 asbach kernel: MCA: Global Cap
0x0000000000000117, Status 0x0000000000000000
/var/log/messages.18.bz2:Jul  5 19:28:55 asbach kernel: MCA: Vendor
"AuthenticAMD", ID 0x800f11, APIC ID 10
/var/log/messages.18.bz2:Jul  5 19:28:55 asbach kernel: MCA: CPU 10 COR ICACHE
L1 IRD error
/var/log/messages.4.bz2:Jul 23 22:42:14 asbach kernel: MCA: Bank 1, Status
0x90200000000b0151
/var/log/messages.4.bz2:Jul 23 22:42:14 asbach kernel: MCA: Global Cap
0x0000000000000117, Status 0x0000000000000000
/var/log/messages.4.bz2:Jul 23 22:42:14 asbach kernel: MCA: Vendor
"AuthenticAMD", ID 0x800f11, APIC ID 13
/var/log/messages.4.bz2:Jul 23 22:42:14 asbach kernel: MCA: CPU 13 COR ICACHE
L1 IRD error

/var/log/messages.19.bz2:Jul  8 04:52:05 capetown kernel: MCA: Bank 1, Status
0x90200000000b0151
/var/log/messages.19.bz2:Jul  8 04:52:05 capetown kernel: MCA: Global Cap
0x0000000000000117, Status 0x0000000000000000
/var/log/messages.19.bz2:Jul  8 04:52:05 capetown kernel: MCA: Vendor
"AuthenticAMD", ID 0x800f11, APIC ID 10
/var/log/messages.19.bz2:Jul  8 04:52:05 capetown kernel: MCA: CPU 10 COR
ICACHE L1 IRD error
/var/log/messages.22.bz2:Jul  5 13:45:31 capetown kernel: MCA: Bank 1, Status
0x90200000000b0151
/var/log/messages.22.bz2:Jul  5 13:45:31 capetown kernel: MCA: Global Cap
0x0000000000000117, Status 0x0000000000000000
/var/log/messages.22.bz2:Jul  5 13:45:31 capetown kernel: MCA: Vendor
"AuthenticAMD", ID 0x800f11, APIC ID 10
/var/log/messages.22.bz2:Jul  5 13:45:31 capetown kernel: MCA: CPU 10 COR
ICACHE L1 IRD error
-------------------------------------------------------------------------------------------------------------------

I think that's worth mentioning...



Kind regards,
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