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Date:      Sun, 8 Dec 2019 10:55:05 +0200
From:      Christos Chatzaras <chris@cretaforce.gr>
To:        FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: kernel panic
Message-ID:  <CE055C7C-E889-41EA-A472-9CB66D1A2094@cretaforce.gr>
In-Reply-To: <6A5B8B89-31C5-4AB7-AE35-D48E93D54E66@cretaforce.gr>
References:  <6014CAB6-4827-4D6D-B5DD-A9E901047F69@cretaforce.gr> <6C26CD72-2149-4082-BCAF-C7B846092194@cretaforce.gr> <CAC=ypSVJbgbz0jqDR3oGOZOPzM_Lr0PQC_2oAEn91XwM=0XAwA@mail.gmail.com> <F889BFFC-64C1-4BBC-94F5-800A596582D1@cretaforce.gr> <CAC=ypSW4Tbx5UvhOw_eUDfzkzyG1aLxBwPTOEH_m2-CFwfvyMw@mail.gmail.com> <6A5B8B89-31C5-4AB7-AE35-D48E93D54E66@cretaforce.gr>

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> On 8 Dec 2019, at 00:09, Christos Chatzaras <chris@cretaforce.gr> =
wrote:
>=20
>=20
>=20
>> On 7 Dec 2019, at 19:44, HiMyNameIsIlNano <kappei84@gmail.com> wrote:
>>=20
>> Il sab 7 dic 2019, 18:25 Christos Chatzaras <chris@cretaforce.gr> ha
>> scritto:
>>=20
>>>=20
>>>=20
>>>> On 7 Dec 2019, at 19:01, Daniele Mazzotti <kappei84@gmail.com> =
wrote:
>>>>=20
>>>> Il giorno ven 6 dic 2019 alle ore 18:21 Christos Chatzaras <
>>>> chris@cretaforce.gr> ha scritto:
>>>>=20
>>>>> I upload full core.txt here:
>>>>>=20
>>>>> https://we.tl/t-AGwrZJbHYP <https://we.tl/t-AGwrZJbHYP>;
>>>>>=20
>>>>>=20
>>>>>> On 6 Dec 2019, at 18:39, Christos Chatzaras <chris@cretaforce.gr>
>>> wrote:
>>>>>>=20
>>>>>> Today and yesterday I had a server crash. The server runs FreeBSD =
12.1
>>>>> without the last "FreeBSD-SA-19:25.mcepsc" patch.
>>>>>>=20
>>>>>> Today I got this:
>>>>>>=20
>>>>>> Dec  6 18:27:18 server36.example.com kernel: Fatal trap 12: page =
fault
>>>>> while in kernel mode
>>>>>> Dec  6 18:27:18 server36.example.com kernel: cpuid =3D 3; apic id =
=3D 03
>>>>>> Dec  6 18:27:18 server36.example.com kernel: fault virtual
>>> address#011=3D
>>>>> 0xffffffff82fb8f38
>>>>>> Dec  6 18:27:18 server36.example.com kernel: fault code#011#011=3D
>>>>> supervisor read data, page not present
>>>>>> Dec  6 18:27:18 server36.example.com kernel: instruction =
pointer#011=3D
>>>>> 0x20:0xffffffff810954b6
>>>>>> Dec  6 18:27:18 server36.example.com kernel: stack pointer#011
>>> =3D
>>>>> 0x0:0xfffffe00c3c9f600
>>>>>> Dec  6 18:27:18 server36.example.com kernel: frame pointer#011
>>> =3D
>>>>> 0x0:0xfffffe00c3c9f6b0
>>>>>> Dec  6 18:27:18 server36.example.com kernel: code =
segment#011#011=3D
>>> base
>>>>> 0x0, limit 0xfffff, type 0x1b
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #011#011#011=3D DPL =
0, pres
>>>>> 1, long 1, def32 0, gran 1
>>>>>> Dec  6 18:27:18 server36.example.com kernel: processor =
eflags#011=3D
>>>>> interrupt enabled, resume, IOPL =3D 0
>>>>>> Dec  6 18:27:18 server36.example.com kernel: current =
process#011#011=3D
>>>>> 86140 (nginx)
>>>>>> Dec  6 18:27:18 server36.example.com kernel: trap number#011#011=3D=
 12
>>>>>> Dec  6 18:27:18 server36.example.com kernel: panic: page fault
>>>>>> Dec  6 18:27:18 server36.example.com kernel: cpuid =3D 3
>>>>>> Dec  6 18:27:18 server36.example.com kernel: time =3D 1575649514
>>>>>> Dec  6 18:27:18 server36.example.com kernel: KDB: stack =
backtrace:
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #0 =
0xffffffff80c1d207 at
>>>>> kdb_backtrace+0x67
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #1 =
0xffffffff80bd053d at
>>>>> vpanic+0x19d
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #2 =
0xffffffff80bd0393 at
>>>>> panic+0x43
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #3 =
0xffffffff810a7d2c at
>>>>> trap_fatal+0x39c
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #4 =
0xffffffff810a7d79 at
>>>>> trap_pfault+0x49
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #5 =
0xffffffff810a736f at
>>>>> trap+0x29f
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #6 =
0xffffffff8108132c at
>>>>> calltrap+0x8
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #7 =
0xffffffff80f0c340 at
>>>>> vm_fault_hold+0x1b90
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #8 =
0xffffffff80f0a760 at
>>>>> vm_fault+0x60
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #9 =
0xffffffff810a7e94 at
>>>>> trap_pfault+0x164
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #10 =
0xffffffff810a74fb at
>>>>> trap+0x42b
>>>>>> Dec  6 18:27:18 server36.example.com kernel: #11 =
0xffffffff8108132c at
>>>>> calltrap+0x8
>>>>>>=20
>>>>>> Do you think it's hardware related?
>>>>>>=20
>>>>>=20
>>>>> _______________________________________________
>>>>> freebsd-questions@freebsd.org mailing list
>>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-questions
>>>>> To unsubscribe, send any mail to "
>>>>> freebsd-questions-unsubscribe@freebsd.org"
>>>>>=20
>>>>=20
>>>> I do not know if this might be relevant, but these line in your log =
file
>>>> looks suspicious to me:
>>>>=20
>>>> __curthread () at /usr/src/sys/amd64/include/pcpu.h:234
>>>> *234 /usr/src/sys/amd64/include/pcpu.h: No such file or directory.*
>>>> (kgdb) #0  __curthread () at /usr/src/sys/amd64/include/pcpu.h:234
>>>> #1  doadump (textdump=3D<optimized out>)
>>>=20
>>> Why you think this line is suspicious?
>>>=20
>>> I was running FreeBSD-12.1-BETA3. I upgrade it today to =
FreeBSD-12.1-p1.
>>> _______________________________________________
>>> freebsd-questions@freebsd.org mailing list
>>> https://lists.freebsd.org/mailman/listinfo/freebsd-questions
>>> To unsubscribe, send any mail to "
>>> freebsd-questions-unsubscribe@freebsd.org"
>>>=20
>>=20
>> Because it is just a few lines above the kernel panic and it says =
that the
>> file could not be found. That is why I am asking if that can be a =
problem
>> or not.
>>=20
>> Also, is the problem occurring during boot or after startup or when =
exactly?
>>=20
>=20
> I fetch /usr/src only for upgrading the system and then I remove it. =
That's why it says that it doesn't find this file.
>=20
> No the problem didn't occur during boot. I think it happened during a =
Nginx restart.

Today I had another crash with this server. I will move the HDDs to =
other hardware to see if this solves the issue.




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