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Created attachment 1139883[details]
libvirt log and virtlogd log
Description of problem:
There is no enough disk space for qemu log, guest starts failed:
# virsh start rhel7.2
error: Failed to start domain rhel7.2
error: internal error: Process exited prior to exec:
Version-Release number of selected component (if applicable):
libvirt-1.3.2-1.el7.x86_64
How reproducible:
100%
Steps to Reproduce:
1.Mount a disk with little space left on /var/log/libvirt/qemu
# df
/dev/sdb3 12972 12952 20 100% /var/log/libvirt/qemu
2.Guest rhel7.2 has a log file existing in the directory:
# ls /var/log/libvirt/qemu/
rhel7.2.log rhel7.2.log.0 test.out
3.
# virsh start rhel7.2
error: Failed to start domain rhel7.2
error: internal error: Process exited prior to exec:
4.Check guest log file, the last line is incomplete:
# tail -1 /var/log/libvirt/qemu
2016-03-24 10:15:31.579+0000: starting up libvirt version: 1.3.2, package: 1.el
5.If no qemu log file exits before guest starts, guest start with clear error message:
# ls /var/log/libvirt/qemu/
# virsh start rhel7.2
error: Failed to start domain rhel7.2
error: Unable to open file: /var/log/libvirt/qemu/rhel7.2.log: No space left on device
Actual results:
Guest start failed with error "Process exited prior to exec:"
Expected results:
Guest start failed with more clear error message.
Additional info:
Comment 2Jaroslav Suchanek
2016-04-05 14:54:59 UTC
I guess anything can go wrong when the disk is out of space. Erik please have a look.
If something like this happens, then you've got bigger problems than just confusing messages. If anything, an error is reported in the daemon's log too. Closing as WONTFIX since this is a big corner case.
Created attachment 1139883 [details] libvirt log and virtlogd log Description of problem: There is no enough disk space for qemu log, guest starts failed: # virsh start rhel7.2 error: Failed to start domain rhel7.2 error: internal error: Process exited prior to exec: Version-Release number of selected component (if applicable): libvirt-1.3.2-1.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1.Mount a disk with little space left on /var/log/libvirt/qemu # df /dev/sdb3 12972 12952 20 100% /var/log/libvirt/qemu 2.Guest rhel7.2 has a log file existing in the directory: # ls /var/log/libvirt/qemu/ rhel7.2.log rhel7.2.log.0 test.out 3. # virsh start rhel7.2 error: Failed to start domain rhel7.2 error: internal error: Process exited prior to exec: 4.Check guest log file, the last line is incomplete: # tail -1 /var/log/libvirt/qemu 2016-03-24 10:15:31.579+0000: starting up libvirt version: 1.3.2, package: 1.el 5.If no qemu log file exits before guest starts, guest start with clear error message: # ls /var/log/libvirt/qemu/ # virsh start rhel7.2 error: Failed to start domain rhel7.2 error: Unable to open file: /var/log/libvirt/qemu/rhel7.2.log: No space left on device Actual results: Guest start failed with error "Process exited prior to exec:" Expected results: Guest start failed with more clear error message. Additional info: