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* [pve-devel] [PATCH-SERIES swtpm/qemu-server] Improve swtpm logging
@ 2023-01-18 12:21 Fiona Ebner
  2023-01-18 12:21 ` [pve-devel] [PATCH swtpm 1/1] control channel: add error logs upon receiving short input Fiona Ebner
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Fiona Ebner @ 2023-01-18 12:21 UTC (permalink / raw)
  To: pve-devel

There was a recent failure when migrating a production VM
> kvm: tpm-emulator: Setting the stateblob (type 1) failed with a TPM error 0x3 a parameter is bad
> kvm: error while loading state for instance 0x0 of device 'tpm-emulator'
> kvm: load of migration failed: Input/output error
and it's not clear what exactly triggered it.

Start collecting logs in /run/qemu-server/<ID>-swtpm.log to have some
information available for any future swtpm failures.

Also add a few more logs in swtpm itself, to better see what exactly
triggers the TPM_BAD_PARAMETER (0x3) error in case such a migration
failure happens again.


swtpm:

Fiona Ebner (1):
  control channel: add error logs upon receiving short input

 src/swtpm/ctrlchannel.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)


qemu-server:

Fiona Ebner (2):
  swtpm: enable logging
  swtpm: use start time as prefix for logging

 PVE/QemuServer.pm | 5 +++++
 1 file changed, 5 insertions(+)

-- 
2.30.2





^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2023-02-23 15:19 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-01-18 12:21 [pve-devel] [PATCH-SERIES swtpm/qemu-server] Improve swtpm logging Fiona Ebner
2023-01-18 12:21 ` [pve-devel] [PATCH swtpm 1/1] control channel: add error logs upon receiving short input Fiona Ebner
2023-01-18 12:21 ` [pve-devel] [PATCH qemu-server 1/2] swtpm: enable logging Fiona Ebner
2023-01-18 12:21 ` [pve-devel] [PATCH qemu-server 2/2] swtpm: use start time as prefix for logging Fiona Ebner
2023-02-23 15:19 ` [pve-devel] applied-series: [PATCH-SERIES swtpm/qemu-server] Improve swtpm logging Thomas Lamprecht

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