[Qemu-devel] [Bug 1759492] [NEW] suspend/resume is not supported for vm with tpm device

[Spencer Yu]

Public bug reported:

I have used libvirt with qemu to create a vm with tpm device, when I suspend 
the vm and resume it, libvirt will
raise error:
libvirtError: internal error: process exited while connecting to monitor: Enter 
char_pty_open
I find some materials:
https://wiki.qemu.org/Features/TPM
https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg05355.html
They present qemu haven't supported tpm suspend/resume, Does someone have any 
advice on how to resolve the problem?

qemu version: 2.10.2
vm image version: centos 7.2

Thanks

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1759492

Title:
  suspend/resume is not supported for vm with tpm device

Status in QEMU:
  New

Bug description:
  I have used libvirt with qemu to create a vm with tpm device, when I suspend 
the vm and resume it, libvirt will
  raise error:
  libvirtError: internal error: process exited while connecting to monitor: 
Enter char_pty_open
  I find some materials:
  https://wiki.qemu.org/Features/TPM
  https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg05355.html
  They present qemu haven't supported tpm suspend/resume, Does someone have any 
advice on how to resolve the problem?

  qemu version: 2.10.2
  vm image version: centos 7.2

  Thanks

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