Bug 1265049
| Summary: | Offline migration failed with memory device when guest is shutoff. | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Fangge Jin <fjin> |
| Component: | libvirt | Assignee: | Peter Krempa <pkrempa> |
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | medium | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 7.2 | CC: | dyuan, lhuang, mzhan, pkrempa, rbalakri, yafu, zpeng |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | libvirt-1.3.1-1.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2016-11-03 18:24:56 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
2015-09-24 07:59:23.506+0000: 209905: debug : qemuMigrationIsAllowed:2253 : Requested operation is not valid: domain's dimm info lacks slot ID or base address qemuMigrationIsAllowed rejects the migration even if we are migrating offline. The function will need to be modified to skip certain checks when doing offline migration. Fixed upstream:
commit 01b4baba59db2478ad260ebc61693a2325229f5b
Author: Peter Krempa <pkrempa>
Date: Tue Oct 6 17:02:09 2015 +0200
qemu: migration: Skip few checks while doing offline migration
qemuMigrationIsAllowed would disallow offline migration if the VM
contained host devices or memory modules. Since during offline migration
we don't transfer any state we can safely migrate VMs with such
configuration.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1265049
commit b6c44af0f7edb9eec3d3ba2dd1a423f17bf0e633
Author: Peter Krempa <pkrempa>
Date: Tue Oct 6 16:24:48 2015 +0200
qemu: migration: Use migration flags in qemuMigrationIsAllowed
Use the migration @flags for checking various migration aspects rather
than picking them out as booleans. Document the new semantics in the
function header.
commit f558c66f17e633ae912e339bd196fcd4861a61a8
Author: Peter Krempa <pkrempa>
Date: Tue Oct 6 15:53:02 2015 +0200
qemu: migration: Drop @def from qemuMigrationIsAllowed
Now that qemuMigrationIsAllowed is always called with @vm, we can drop
the @def argument and simplify the control flow.
Additionally the comment is invalid so drop it.
commit b866991f0c47c95a97ae4440eef99592b27bb8a8
Author: Peter Krempa <pkrempa>
Date: Tue Oct 6 15:39:48 2015 +0200
qemu: migration: Split source and destination migration checks
Extract the hostdev check from qemuMigrationIsAllowed into a separate
function since that is the only part that needs to be done in the v2
migration protocol prepare phase on the destination. All other checks
were added when the v3 protocol existed so they don't need to be
extracted.
This change will allow to drop the @def argument for
qemuMigrationIsAllowed and further simplify the function.
Test pass with build libvirt-1.3.2-1.el7.x86_64. Steps are as comment 0 Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHSA-2016-2577.html |
Description of problem: Configure the guest xml with memory device: <memory model='dimm'> <target> <size unit='KiB'>256000</size> <node>0</node> </target> </memory> Then do offline migration and failed: # virsh migrate test4 qemu+ssh://10.66.4.226/system --offline --persistent root.4.226's password: error: Requested operation is not valid: domain's dimm info lacks slot ID or base address Version-Release number of selected component (if applicable): libvirt-1.2.17-9.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1.Configure the guest xml with memory device: <memory model='dimm'> <target> <size unit='KiB'>256000</size> <node>0</node> </target> </memory> 2.When the guest is shutoff, do offline migration: # virsh migrate test4 qemu+ssh://10.66.4.226/system --offline --persistent root.4.226's password: error: Requested operation is not valid: domain's dimm info lacks slot ID or base address 3.Start the guest, then do offline migration again and succeed. Actual results: Offline migration failed when guest is shutoff. Expected results: Offline migration can succeed when guest is shutoff.