random insta-reboots on AMD Phenom II

From	Adam Borowski <kilobyte@angband.pl>
Newsgroups	linux.kernel
Subject	random insta-reboots on AMD Phenom II
Date	2017-09-30 04:10 +0200
Message-ID	<uvfo5-69K-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hi!
I'm afraid I see random instant reboots on current -rc, approximately
once per day, only under CPU load.  There's nothing on serial/etc -- just
an immediate reboot.  4.13 works perfectly; last kernel I've tried is
v4.14-rc2-165-g770b782f555d.  gcc 7.2.0-7 (Debian).

CPU is AMD Phenom II X6 1055T (family 10h).

Sometimes it dies within a few minutes of load, sometimes all is fine for a
couple of days.  This randomness makes bisecting not really an option.

Any hints how to debug this?


Meow!
-- 
⢀⣴⠾⠻⢶⣦⠀ We domesticated dogs 36000 years ago; together we chased
⣾⠁⢰⠒⠀⣿⡁ animals, hung out and licked or scratched our private parts.
⢿⡄⠘⠷⠚⠋⠀ Cats domesticated us 9500 years ago, and immediately we got
⠈⠳⣄⠀⠀⠀⠀ agriculture, towns then cities.     -- whitroth on /.

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random insta-reboots on AMD Phenom II Adam Borowski <kilobyte@angband.pl> - 2017-09-30 04:10 +0200
  Re: random insta-reboots on AMD Phenom II Borislav Petkov <bp@alien8.de> - 2017-09-30 13:20 +0200
    Re: random insta-reboots on AMD Phenom II Adam Borowski <kilobyte@angband.pl> - 2017-09-30 13:30 +0200
      Re: random insta-reboots on AMD Phenom II Borislav Petkov <bp@alien8.de> - 2017-09-30 14:00 +0200
        Re: random insta-reboots on AMD Phenom II Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-30 14:50 +0200
          Re: random insta-reboots on AMD Phenom II Brian Gerst <brgerst@gmail.com> - 2017-09-30 16:30 +0200
            Re: random insta-reboots on AMD Phenom II Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-30 17:30 +0200
          Re: random insta-reboots on AMD Phenom II Borislav Petkov <bp@alien8.de> - 2017-09-30 18:00 +0200
            Re: random insta-reboots on AMD Phenom II Andy Lutomirski <luto@kernel.org> - 2017-09-30 18:10 +0200
        Re: random insta-reboots on AMD Phenom II Andy Lutomirski <luto@amacapital.net> - 2017-09-30 17:20 +0200
          Re: random insta-reboots on AMD Phenom II Borislav Petkov <bp@alien8.de> - 2017-09-30 17:50 +0200
        Re: random insta-reboots on AMD Phenom II Adam Borowski <kilobyte@angband.pl> - 2017-10-01 15:10 +0200

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