Description of problem: When using any other image type than raw in PV guest or FV guest with PV drivers used (using BLKTAP & TAPDISK), eg. qcow, tapdisk returns segfault because of missing poll-on-aio support which results in image is not seen on PV guest. Version-Release number of selected component (if applicable): How reproducible: Adding tap:qcow:/path/to image file to PV Xen domain configuration and starting this domain won't show those devices in /dev tree. Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Created attachment 332692 [details] Poll-on-aio support fix This is a poll-on-aio support fix for qcow images for VMs that are using PV drivers (PV guests, FV guests with PV drivers). It's a backport of upstream at http://xenbits.xensource.com/xen-unstable.hg?rev/eeeb77195ac2. Michal
*** Bug 479315 has been marked as a duplicate of this bug. ***
Created attachment 343344 [details] Updated version of my patch This is updated/reindented version of my patch... Michal
Fix built into xen-3.0.3-86.el5
Verify on xen-3.0.3-91.el5.x86_64
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2009-1328.html