Date: Fri, 5 Jul 2019 22:11:49 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: "Schuendehuette, Matthias" <matthias.schuendehuette@siemens.com> Cc: "Osipov, Michael" <michael.osipov@siemens.com>, "'freebsd-stable@freebsd.org'" <freebsd-stable@freebsd.org> Subject: Re: GENERIC crash 11.3-PRERELEASE (i386) Message-ID: <20190705191149.GH47193@kib.kiev.ua> In-Reply-To: <1EFE239F82F279488E86A61C92D5E2DE0A08852F@DENBGAT9EJ1MSX.ww902.siemens.net> References: <1EFE239F82F279488E86A61C92D5E2DE0A082864@DENBGAT9EJ1MSX.ww902.siemens.net> <20190627185956.GP8697@kib.kiev.ua> <1EFE239F82F279488E86A61C92D5E2DE0A088124@DENBGAT9EJ1MSX.ww902.siemens.net> <20190703135435.GD47193@kib.kiev.ua> <1EFE239F82F279488E86A61C92D5E2DE0A0883D1@DENBGAT9EJ1MSX.ww902.siemens.net> <1EFE239F82F279488E86A61C92D5E2DE0A08852F@DENBGAT9EJ1MSX.ww902.siemens.net>
next in thread | previous in thread | raw e-mail | index | archive | help
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 <kostikbel@gmail.com>
> Gesendet: Mittwoch, 3. Juli 2019 15:55
> An: Schuendehuette, Matthias (LDA IT PLM) <matthias.schuendehuette@siemens.com>
> Cc: 'freebsd-stable@freebsd.org' <freebsd-stable@freebsd.org>; Osipov, Michael (LDA IT PLM) <michael.osipov@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
> >
>
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20190705191149.GH47193>