From nobody Fri Jun 27 20:52:53 2025 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4bTSSN5nR4z60FGT for ; Fri, 27 Jun 2025 20:53:08 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-lj1-f176.google.com (mail-lj1-f176.google.com [209.85.208.176]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4bTSSM656tz3tV4 for ; Fri, 27 Jun 2025 20:53:07 +0000 (UTC) (envelope-from mavbsd@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-lj1-f176.google.com with SMTP id 38308e7fff4ca-32adebb15c5so1802511fa.3 for ; Fri, 27 Jun 2025 13:53:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751057586; x=1751662386; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=pqesk4mXyCAlBWNI4owvEudqbaW44SsyLeEUW4IvsGE=; b=ahu9Uk8GsdE9HJLr8j2RiIC8x5W45Up76UYACIkCHKaHEYhOhuSjEdgzQHN6gt5s4B zMyLAbtzZEtkxOs4Mkh7D+NMd2cqJwuG8YgMCOnTu3rAr2RM8pkEval7PqXg/uuzv87C XIy4gD4x+x5RD6r1249vO3Jr7bmfjQiZ8CpJqRqcvNpvYE4W/IVmj2vRk0gH6y78TGZg DYkEWg+D84jleYsnGduYsJMkQnkXD/XTymexM5vgdB47U3sxNP2TKtjb1tqalF+7LODH E9zdSx3vtyGAPsQmuAoPK3UineyeBQwj9XZUEw1NsKDReHNcLCkZgXuIeQQbE+CJJSN/ bWIg== X-Gm-Message-State: AOJu0YzyZ/zk0e+duVESdHth+5gHuOZ5SZe8MKGO8T3Suptf6BGbNp5s WSe6R+LfWtFVSOShGuEPfXjZxU4lBTSNQZYxkJcTAsiXMKa/jshtBeLXmvNZw5eeSvnp+XrWo+W k36P301J5EcvsElaqOJqDKUTRy+F5DBNTLA== X-Gm-Gg: ASbGncsJPs4CPJpP/L0bHKXMvJaPnNpdc+/BFZOcG/kbJOYi99cbI5rw8J7aIpkJBH7 aPlvlKBV06R9dl1Q8qcyblwosoCouhKdGKZ1mc/R6KH5Gc6Y09bN1vAqPR6GzbcoAMW3TEM2L9f xZnUntAbpaS1FMUkrhdwEUPvfkdrAxBy7WFdTt8VZg2y/Ejb5d4kPtgkICO/ljBifFW9AOV/uhD o00 X-Google-Smtp-Source: AGHT+IHx/N3KjqnJwKiTizMgGn/VR+WjtnXkIVwIXKNF2crz3PGmPgu5jDsev0S2R+vNQ8pgkZA3F1UTDmVV/0MD1Eo= X-Received: by 2002:a05:651c:214d:b0:32b:9e00:1237 with SMTP id 38308e7fff4ca-32cdc53b17fmr12575081fa.32.1751057585620; Fri, 27 Jun 2025 13:53:05 -0700 (PDT) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 References: In-Reply-To: From: Alexander Motin Date: Fri, 27 Jun 2025 16:52:53 -0400 X-Gm-Features: Ac12FXwM8udYlA6l_yf2wroxmb-4xSaTxVGbc4yRviyB8PV_l7L2PjduWvdi0xc Message-ID: Subject: Re: Panic with "Unrecoverable machine check exception" To: Steve Kargl Cc: FreeBSD Current Content-Type: multipart/alternative; boundary="0000000000005f49dc063893ddb7" X-Rspamd-Queue-Id: 4bTSSM656tz3tV4 X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US] --0000000000005f49dc063893ddb7 Content-Type: text/plain; charset="UTF-8" Hi. It is likely a hardware failure, unless a false positive. Check last console logs or better BMC logs for detail. On Fri, Jun 27, 2025, 16:26 Steve Kargl wrote: > Never seen this type of panic. I can upload > core.txt.4 and info.4 to freefall if someone > wants more details. > > > __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 > 57 __asm("movq %%gs:%c1,%0" : "=r" (td) > (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 > td = > #1 doadump (textdump=textdump@entry=1) > at /usr/src/sys/kern/kern_shutdown.c:399 > error = 0 > coredump = > #2 0xffffffff80676e30 in kern_reboot (howto=260) > at /usr/src/sys/kern/kern_shutdown.c:519 > once = 0 > __pc = 0x0 > #3 0xffffffff80677367 in vpanic ( > fmt=0xffffffff80abdb94 "Unrecoverable machine check exception", > ap=ap@entry=0xfffffe001c024ed0) at > /usr/src/sys/kern/kern_shutdown.c:974 > buf = "Unrecoverable machine check exception", '\000' times> > __pc = 0x0 > __pc = 0x0 > __pc = 0x0 > other_cpus = {__bits = {251, 0 }} > td = 0xfffff80004601000 > bootopt = > newpanic = > #4 0xffffffff80677193 in panic (fmt=) > at /usr/src/sys/kern/kern_shutdown.c:887 > ap = {{gp_offset = 8, fp_offset = 48, > overflow_arg_area = 0xfffffe001c024f00, > reg_save_area = 0xfffffe001c024ea0}} > #5 0xffffffff809d391b in mca_intr () at /usr/src/sys/x86/x86/mca.c:1540 > recoverable = false > mcg_status = > count = > lmcs = > #6 > No locals. > #7 mi_switch (flags=flags@entry=262) at > /usr/src/sys/kern/kern_synch.c:537 > __pc = 0x0 > __pc = 0x0 > __pc = 0x0 > __pc = 0x0 > __pc = 0x0 > td = 0xfffff80004601000 > new_switchtime = > runtime = > #8 0xffffffff806aaca4 in sched_idletd (dummy=dummy@entry=0x0) > at /usr/src/sys/kern/sched_4bsd.c:1688 > __pc = 0x0 > stat = > #9 0xffffffff806324b2 in fork_exit ( > callout=0xffffffff806aac50 , arg=0x0, > frame=0xfffffe00d5407f40) at /usr/src/sys/kern/kern_fork.c:1153 > __pc = 0x0 > __pc = 0x0 > td = 0xfffff80004601000 > p = 0xfffffe00c3002040 > dtd = > #10 > > > > > > > -- > Steve > > -- Alexander Motin --0000000000005f49dc063893ddb7 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi.

It is likely a hardware failure, unless a false positi= ve. Check last console logs or better BMC logs for detail.

<= div class=3D"gmail_quote">
On Fri, Jun= 27, 2025, 16:26 Steve Kargl <sgk@troutmask.apl.washington= .edu> wrote:
Never seen this type of panic.=C2=A0 I can upload
core.txt.4 and info.4 to freefall if someone
wants more details.


__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57
57=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 __asm("movq %%gs:%c= 1,%0" : "=3Dr" (td)
(kgdb) #0=C2=A0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57<= br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 td =3D <optimized out>
#1=C2=A0 doadump (textdump=3Dtextdump@entry=3D1)
=C2=A0 =C2=A0 at /usr/src/sys/kern/kern_shutdown.c:399
=C2=A0 =C2=A0 =C2=A0 =C2=A0 error =3D 0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 coredump =3D <optimized out>
#2=C2=A0 0xffffffff80676e30 in kern_reboot (howto=3D260)
=C2=A0 =C2=A0 at /usr/src/sys/kern/kern_shutdown.c:519
=C2=A0 =C2=A0 =C2=A0 =C2=A0 once =3D 0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
#3=C2=A0 0xffffffff80677367 in vpanic (
=C2=A0 =C2=A0 fmt=3D0xffffffff80abdb94 "Unrecoverable machine check ex= ception",
=C2=A0 =C2=A0 ap=3Dap@entry=3D0xfffffe001c024ed0) at /usr/src/sys/kern/kern= _shutdown.c:974
=C2=A0 =C2=A0 =C2=A0 =C2=A0 buf =3D "Unrecoverable machine check excep= tion", '\000' <repeats 218 times>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 other_cpus =3D {__bits =3D {251, 0 <repeats = 15 times>}}
=C2=A0 =C2=A0 =C2=A0 =C2=A0 td =3D 0xfffff80004601000
=C2=A0 =C2=A0 =C2=A0 =C2=A0 bootopt =3D <unavailable>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 newpanic =3D <optimized out>
#4=C2=A0 0xffffffff80677193 in panic (fmt=3D<unavailable>)
=C2=A0 =C2=A0 at /usr/src/sys/kern/kern_shutdown.c:887
=C2=A0 =C2=A0 =C2=A0 =C2=A0 ap =3D {{gp_offset =3D 8, fp_offset =3D 48, =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 overflow_arg_area =3D 0xfffffe001= c024f00,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 reg_save_area =3D 0xfffffe001c024= ea0}}
#5=C2=A0 0xffffffff809d391b in mca_intr () at /usr/src/sys/x86/x86/mca.c:15= 40
=C2=A0 =C2=A0 =C2=A0 =C2=A0 recoverable =3D false
=C2=A0 =C2=A0 =C2=A0 =C2=A0 mcg_status =3D <optimized out>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 count =3D <optimized out>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 lmcs =3D <optimized out>
#6=C2=A0 <signal handler called>
No locals.
#7=C2=A0 mi_switch (flags=3Dflags@entry=3D262) at /usr/src/sys/kern/kern_sy= nch.c:537
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 td =3D 0xfffff80004601000
=C2=A0 =C2=A0 =C2=A0 =C2=A0 new_switchtime =3D <optimized out>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 runtime =3D <optimized out>
#8=C2=A0 0xffffffff806aaca4 in sched_idletd (dummy=3Ddummy@entry=3D0x0)
=C2=A0 =C2=A0 at /usr/src/sys/kern/sched_4bsd.c:1688
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 stat =3D <optimized out>
#9=C2=A0 0xffffffff806324b2 in fork_exit (
=C2=A0 =C2=A0 callout=3D0xffffffff806aac50 <sched_idletd>, arg=3D0x0,=
=C2=A0 =C2=A0 frame=3D0xfffffe00d5407f40) at /usr/src/sys/kern/kern_fork.c:= 1153
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 __pc =3D 0x0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 td =3D 0xfffff80004601000
=C2=A0 =C2=A0 =C2=A0 =C2=A0 p =3D 0xfffffe00c3002040
=C2=A0 =C2=A0 =C2=A0 =C2=A0 dtd =3D <optimized out>
#10 <signal handler called>






--
Steve

--
Alexander= Motin
--0000000000005f49dc063893ddb7--