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[Qemu-devel] [Bug 1549298] [NEW] Add missing MSRs for powertop


From: Michael Vetter
Subject: [Qemu-devel] [Bug 1549298] [NEW] Add missing MSRs for powertop
Date: Wed, 24 Feb 2016 13:53:13 -0000

Public bug reported:

I reported this same bug on the powertop bugtracker [1] because I think
both projects need to change something here.

When running powertop it crashes and prints:

  unknown op '{'
                read_msr cpu0 0xe8 : Input/output error

It seems that powertop is trying to access model specific registers and because 
qemu doesn't emulate them it crashes.
Clearly powertop shouldn't crash in such case but I think it would also be 
better if qemu could add support for these registers.

1: https://app.devzing.com/powertopbugs/bugzilla/show_bug.cgi?id=4

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1549298

Title:
  Add missing MSRs for powertop

Status in QEMU:
  New

Bug description:
  I reported this same bug on the powertop bugtracker [1] because I
  think both projects need to change something here.

  When running powertop it crashes and prints:

    unknown op '{'
                  read_msr cpu0 0xe8 : Input/output error

  It seems that powertop is trying to access model specific registers and 
because qemu doesn't emulate them it crashes.
  Clearly powertop shouldn't crash in such case but I think it would also be 
better if qemu could add support for these registers.

  1: https://app.devzing.com/powertopbugs/bugzilla/show_bug.cgi?id=4

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