Bug 1590214
| Summary: | "Failed to reserve port 65535" for guest graphic | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Fangge Jin <fjin> |
| Component: | libvirt | Assignee: | Pavel Hrdina <phrdina> |
| Status: | CLOSED ERRATA | QA Contact: | Yanqiu Zhang <yanqzhan> |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | 7.6 | CC: | lmen, xuzhang, yanqzhan |
| Target Milestone: | rc | Keywords: | Automation, Regression |
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | libvirt-4.5.0-1.el7 | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2018-10-30 09:56:58 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: | |||
Upstream patch posted: https://www.redhat.com/archives/libvir-list/2018-June/msg01089.html Upstream commit:
commit 5e828d03bf662331579c24677d29e50b9bc33951
Author: Pavel Hrdina <phrdina>
Date: Thu Jun 14 09:17:10 2018 +0200
virtportallocator: Change number of ports to 65536
Verify with:
libvirt-4.5.0-6.el7.x86_64
qemu-kvm-rhev-2.12.0-9.el7.x86_64
Steps to verify:
1. start guest with vnc graphic port='65535':
# virsh start yan-V
Domain yan-V started
# virsh dumpxml yan-V|grep 'graphics t' -A2
<graphics type='vnc' port='65535' autoport='no' listen='0.0.0.0'>
<listen type='address' address='0.0.0.0'/>
</graphics>
# ps aux|grep qemu|grep vnc
-vnc 0.0.0.0:59635
2.define a guest with graphic port='65536', try to start it:
# virsh start yan-V
error: Failed to start domain yan-V
error: unsupported configuration: vnc port must be in range [5900,65535]
3.retest step2 with port='65537':
same as step 2
Since the test result is as expected. mark this bug as verified.
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://access.redhat.com/errata/RHSA-2018:3113 |
Description of problem: Set graphic port to 65535, guest will fail to start. # virsh dumpxml $guest <graphics type='vnc' port='65534' autoport='no' listen='0.0.0.0'> <listen type='address' address='0.0.0.0'/> </graphics> # virsh start $guest error: Failed to start domain 1 error: internal error: Failed to reserve port 65535 I think if set bitmap->nbits = 65536, or change "bitmap->nbits <= b" to "bitmap->nbits < b", the problem will be gone. int virBitmapSetBit(virBitmapPtr bitmap, size_t b) { if (bitmap->nbits <= b) return -1; bitmap->map[VIR_BITMAP_UNIT_OFFSET(b)] |= VIR_BITMAP_BIT(b); return 0; } Version-Release number of selected component (if applicable): libvirt-4.3.0-1.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: 65534 can work