Sorry, wrong link... :-(

See the verbose boot messages here...

https://www.dropbox.com/sh/buzxekimo2h2r67/AADpUvLndhm2SHa5t9s9Ckksa?dl=0

...in file "Boot_verbose.jpg"

Regards - Matthias


Am 10.07.2019 um 14:47 schrieb [ext] Schuendehuette, Matthias (LDA IT PLM):
Hello Konstantin,

the 'svn' output:

*****
root@blnn719x - /usr/src
2052 # svn st
?       sys/i386/conf/BLNN719X

root@blnn719x - /usr/src
2053 # svn info
Path: .
Working Copy Root Path: /usr/src
URL: https://svn.freebsd.org/base/stable/11
Relative URL: ^/stable/11
Repository Root: https://svn.freebsd.org/base
Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revision: 349719
Node Kind: directory
Schedule: normal
Last Changed Author: delphij
Last Changed Rev: 349718
Last Changed Date: 2019-07-04 09:32:25 +0200 (Thu, 04 Jul 2019)
*****

The last lines of the verbose boot messages can be found here:

https://www.dropbox.com/preview/FreeBSD-stable/Boot_verbose.jpg


Thank you very much so far

Matthias


Am 05.07.2019 um 21:11 schrieb Konstantin Belousov:
On Fri, Jul 05, 2019 at 11:12:29AM +0000, Schuendehuette, Matthias wrote:
Hello Konstantin,

***
Obviously Outlook has destroyed my last reply - here again:
***

I did what you suggested: deleted the content of /usr/src and 'svn co'
the 11-STABLE sources again.

I investigated the three
source files mentioned below and confirmed the 'svn diff' results:

"hw_mds_recalculate();" has been removed from

    sys/amd64/amd64/initcpu.c    and
    sys/i386/i386/initcpu.c


and:

"static void
  hw_mds_recalculate_boot(void *arg __unused)
  {

        hw_mds_recalculate();
  }
  SYSINIT(mds_recalc, SI_SUB_SMP, SI_ORDER_ANY, hw_mds_recalculate_boot, NULL);"

has been inserted into 'sys/x86/x86/cpu_machdep.c'


That's still the case for 'r349719'. Also remains true that a kernel of
'r349719' crashes as described earlier.
Ok, show me
1. svn st and svn info output of the checkout you use
2. While kernel messages with verbose boot enabled, for your machine, and
    the kernel which fails to boot.

With best regards and have a nice weekend

Matthias Schuendehuette




-----Ursprüngliche Nachricht-----
Von: Konstantin Belousov<kostik...@gmail.com> Gesendet: Mittwoch, 3. Juli 2019 15:55 An: Schuendehuette, Matthias (LDA IT PLM)<matthias.schuendehue...@siemens.com> Cc: 'freebsd-stable@freebsd.org'<freebsd-stable@freebsd.org>; Osipov, Michael (LDA IT PLM)<michael.osi...@siemens.com>
Betreff: Re: GENERIC crash 11.3-PRERELEASE (i386)

On Wed, Jul 03, 2019 at 08:42:21AM +0000, Schuendehuette, Matthias wrote:
Hello Konstantin,

I did some research regarding the kernel crash with the following results>

1) Last working kernel is:

    "FreeBSD 11.3-BETA1 (BLNN719X) #8 r348361: Wed Jul  3 09:30:17 CEST 2019"

1a) DDB-Backtrace of the crashing kernel r348362 can be seen on "Boot_BT.jpg"
         in the dropbox directory
"https://www.dropbox.com/sh/buzxekimo2h2r67/AADpUvLndhm2SHa5t9s9Ckksa?dl=0";


2) Source code revision is:

root@blnn719x - /usr/src
2056 # svn info
Path: .
Working Copy Root Path: /usr/src
URL:https://svn.freebsd.org/base/stable/11
Relative URL: ^/stable/11
Repository Root:https://svn.freebsd.org/base
Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revision: 348361
Node Kind: directory
Schedule: normal
Last Changed Author: jkim
Last Changed Rev: 348343
Last Changed Date: 2019-05-29 02:00:52 +0200 (Wed, 29 May 2019)


3) Diff to next revision:

root@blnn719x - /usr/src
2057 # svn diff -r 348362
Index: sys/amd64/amd64/initcpu.c
===================================================================
--- sys/amd64/amd64/initcpu.c   (revision 348362)
+++ sys/amd64/amd64/initcpu.c   (working copy)
@@ -247,6 +247,7 @@
         }
         hw_ibrs_recalculate();
         hw_ssb_recalculate(false);
+       hw_mds_recalculate();
         switch (cpu_vendor_id) {
         case CPU_VENDOR_AMD:
                 init_amd();
Index: sys/i386/i386/initcpu.c
===================================================================
--- sys/i386/i386/initcpu.c     (revision 348362)
+++ sys/i386/i386/initcpu.c     (working copy)
@@ -769,6 +769,7 @@
                 elf32_nxstack = 1;
         }
  #endif
+       hw_mds_recalculate();
         if ((amd_feature & AMDID_RDTSCP) != 0 ||
             (cpu_stdext_feature2 & CPUID_STDEXT2_RDPID) != 0)
                 wrmsr(MSR_TSC_AUX, PCPU_GET(cpuid));
Index: sys/x86/x86/cpu_machdep.c
===================================================================
--- sys/x86/x86/cpu_machdep.c   (revision 348362)
+++ sys/x86/x86/cpu_machdep.c   (working copy)
@@ -1118,14 +1118,6 @@
         }
  }

-static void
-hw_mds_recalculate_boot(void *arg __unused)
-{
-
-       hw_mds_recalculate();
-}
-SYSINIT(mds_recalc, SI_SUB_SMP, SI_ORDER_ANY, hw_mds_recalculate_boot, NULL);
-
  static int
  sysctl_mds_disable_handler(SYSCTL_HANDLER_ARGS)
  {
Index: .
===================================================================
--- .   (revision 348362)
+++ .   (working copy)

Property changes on: .
___________________________________________________________________
Modified: svn:mergeinfo
## -0,1 +0,0 ##
    Reverse-merged /head:r348075



Somewhere here is the problem...
Definitely, there is some problem, but I doubt that it is due to the
revision in the svn. The diff above is the reverse of the stable/11
r348362 that was committed on 2019-05-29. Indeed, the missed (or
reverted) r348362 would cause exactly the symptoms you described with
failing AP startup.

I have no idea why do you have the change reverted with merge info, in
your sources.  Clean up and retry with pristine tree.



with best regards
Matthias Schündehütte

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