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Message #25045
[Bug 1371298] Re: libvirt: AMI-based Linux instances /dev/console unusable
** Changed in: tempest
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1371298
Title:
libvirt: AMI-based Linux instances /dev/console unusable
Status in OpenStack Compute (Nova):
In Progress
Status in Tempest:
Invalid
Bug description:
In Linux, the last console= option listed in /proc/cmdline becomes
/dev/console, which is used for things like rescue mode, single-user
mode, etc. In the case of AMI-based Linux images, libvirt defines the
"serial" console (tied to the console.log) last, which means a crashed
instance ends up being unrecoverable
Steps to Reproduce:
1. Upload the AMI/AKI/ARI images attached to this bug into Glance and tie them together (if how to do this is not common knowledge, I can follow-on with exact steps)
2. Boot an instance against the image. It has been altered so that it will crash on startup, believing there is filesystem corruption
Expected Behaviour:
A "Press enter for maintenance (or type Control-D to continue):"
prompt on the interactive console (Spice/VNC/etc.)
Actual Behaviour:
The aforementioned prompt appears in the libvirt console.log, and the
instance is effectively bricked.
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References