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Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf

From Markus Trippelsdorf <markus@trippelsdorf.de>
Newsgroups linux.kernel
Subject Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf
Date 2017-09-09 16:50 +0200
Message-ID <unPf3-6Js-1@gated-at.bofh.it> (permalink)
References (5 earlier) <unO9k-60W-19@gated-at.bofh.it> <unOj0-669-23@gated-at.bofh.it> <unOCl-6t7-5@gated-at.bofh.it> <unOVH-6zR-7@gated-at.bofh.it> <unP5n-6DD-11@gated-at.bofh.it>
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On 2017.09.09 at 16:33 +0200, Borislav Petkov wrote:
> On Sat, Sep 09, 2017 at 04:20:14PM +0200, Markus Trippelsdorf wrote:
> > > # rdmsr -a 0x00000410
> > 
> > 3fffffff
> > 0
> > 0
> > 0
> 
> WTF?! Those should be equal on every CPU. Yikes, we need to pay
> attention to those... Grrr.
> 
> # wrmsr -a 0x00000410 0x3ffffbff
> 
> should fix your issue.

No, it doesn't work:

x4 ~ # rdmsr -a 0x00000410
3fffffff                                    
0                                           
0                                           
0                                           
x4 ~ # wrmsr -a 0x00000410 0x3ffffbff
x4 ~ # rdmsr -a 0x00000410
3ffffbff                                    
0                                           
0                                           
0 

-- 
Markus

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Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-05 09:40 +0200
  Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Peter Zijlstra <peterz@infradead.org> - 2017-09-05 11:00 +0200
    Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-05 12:00 +0200
      Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Thomas Gleixner <tglx@linutronix.de> - 2017-09-06 15:00 +0200
        Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-06 15:20 +0200
          Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-07 08:30 +0200
            Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Thomas Gleixner <tglx@linutronix.de> - 2017-09-08 08:30 +0200
              Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-08 10:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-08 11:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-08 11:50 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Ingo Molnar <mingo@kernel.org> - 2017-09-08 12:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-08 12:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-08 13:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Andy Lutomirski <luto@kernel.org> - 2017-09-08 18:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-08 19:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Andy Lutomirski <luto@kernel.org> - 2017-09-08 23:50 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 00:00 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Andy Lutomirski <luto@kernel.org> - 2017-09-09 01:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-09 01:30 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Andy Lutomirski <luto@kernel.org> - 2017-09-09 02:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-09 03:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Andy Lutomirski <luto@amacapital.net> - 2017-09-09 03:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Andy Lutomirski <luto@kernel.org> - 2017-09-09 20:00 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-09 20:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 08:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 12:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 13:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 15:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 15:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 15:50 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 16:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 16:30 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 16:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 16:50 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 18:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 19:10 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 19:30 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 19:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 20:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 20:30 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 20:50 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 21:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 21:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-09 20:30 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 20:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-09 20:50 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 21:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Andy Lutomirski <luto@kernel.org> - 2017-09-09 21:30 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-09 21:40 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Andy Lutomirski <luto@kernel.org> - 2017-09-10 06:50 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-09 21:30 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Markus Trippelsdorf <markus@trippelsdorf.de> - 2017-09-09 10:20 +0200
                Re: Current mainline git (24e700e291d52bd2) hangs when building e.g.  perf Borislav Petkov <bp@alien8.de> - 2017-09-08 17:00 +0200

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