Bug 1144325
Summary: | Can not probe "qemu.kvm.virtio_blk_data_plane_complete_request" | ||
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Product: | Red Hat Enterprise Linux 7 | Reporter: | langfang <flang> |
Component: | qemu-kvm-rhev | Assignee: | Stefan Hajnoczi <stefanha> |
Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | 7.1 | CC: | flang, hhuang, juzhang, qiguo, qzhang, sluo, virt-maint, xfu |
Target Milestone: | rc | ||
Target Release: | --- | ||
Hardware: | Unspecified | ||
OS: | Unspecified | ||
Whiteboard: | |||
Fixed In Version: | qemu-kvm-rhev-2.1.2-5.el7 | Doc Type: | Bug Fix |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2015-03-05 09:55:51 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: |
Description
langfang
2014-09-19 08:52:27 UTC
Thanks. That trace event no longer exists in RHEL or upstream. I will send a patch to drop it upstream and backport it. Patches sent to rhvirt-patches Fix included in qemu-kvm-rhev-2.1.2-5.el7 Test on latest version: Host: # uname -r 3.10.0-191.el7.x86_64 # rpm -q qemu-kvm-rhev qemu-kvm-rhev-2.1.2-5.el7.x86_64 Steps 1.Install kernel-debuginfo and systemtap package on host 2.On host: #vim /usr/share/systemtap/tapset/qemu-kvm.stp ... not found the event of "virtio_blk_data_plane_complete_request" 3.Create script on host # cat virtio_blk_data_plane_complete_request.stp probe qemu.kvm.virtio_blk_data_plane_complete_request { printf("s=%d\n",s); printf("head=%d\n",head); printf("ret=%d\n",ret); } 4.Execute virtio_blk_data_plane_complete_request.stp #stap virtio_blk_data_plane_complete_request.stp After step4: # stap virtio_blk_data_plane_complete_request.stp semantic error: while resolving probe point: identifier 'qemu' at virtio_blk_data_plane_complete_request.stp:1:7 source: probe qemu.kvm.virtio_blk_data_plane_complete_request ^ semantic error: probe point mismatch (similar: virtio_blk_data_plane_process_request, pvscsi_complete_request, virtio_blk_data_plane_start, virtio_blk_data_plane_stop, virtio_blk_req_complete): identifier 'virtio_blk_data_plane_complete_request' at :1:16 source: probe qemu.kvm.virtio_blk_data_plane_complete_request ^ Pass 2: analysis failed. [man error::pass2] According to above test and comment2, this bug has been fixed. 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-2015-0624.html |