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Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null)

From Josh Poimboeuf <jpoimboe@redhat.com>
Newsgroups linux.kernel
Subject Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null)
Date 2016-12-12 19:20 +0100
Message-ID <sNDmF-7Fp-17@gated-at.bofh.it> (permalink)
References <sMSxr-4tj-7@gated-at.bofh.it> <sMTjP-4Ys-13@gated-at.bofh.it> <sMTDb-54T-3@gated-at.bofh.it> <sNB1v-67R-11@gated-at.bofh.it> <sND3k-7j0-27@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Dec 12, 2016 at 06:50:23PM +0100, Borislav Petkov wrote:
> [    0.000000] ffffffffbce03f40: 0000000000000000 ...
> [    0.000000] ffffffffbce03f48: ffffffffbc0001b5 (start_cpu+0x5/0x14)
> [    0.000000] ffffffffbce03f50: ffffffffbc0001b5 (start_cpu+0x5/0x14)
> [    0.000000] ffffffffbce03f58: 0000000000000000 ...
> [    0.000000] Linux version 4.9.0-rc8+ (root@gondor) (gcc version 6.2.0 20161109 (Debian 6.2.0-13) ) #2 SMP PREEMPT Mon Dec 12 18:36:48 CET 2016

Something funky is going on in the head code.  It looks like start_cpu
is getting executed twice somehow.  Need to do some more head
scratching...

-- 
Josh

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Thread

Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-12 16:50 +0100
  Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Borislav Petkov <bp@alien8.de> - 2016-12-12 19:00 +0100
    Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-12 19:20 +0100
      Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-12 22:20 +0100
        Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Borislav Petkov <bp@alien8.de> - 2016-12-12 22:40 +0100
          Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-12 23:20 +0100
            Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Borislav Petkov <bp@alien8.de> - 2016-12-12 23:40 +0100
              Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-13 00:10 +0100
                Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value           (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-13 15:40 +0100
                Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value (null) Andy Lutomirski <luto@amacapital.net> - 2016-12-13 18:00 +0100
                Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value (null) Borislav Petkov <bp@alien8.de> - 2016-12-13 18:30 +0100
                Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in  swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-13 18:30 +0100

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