Bug 854708
| Summary: | EBUSY error when mapping FCoE target to iblock backend | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Jason Mather <goz_02451> | ||||
| Component: | kernel | Assignee: | Andy Grover <agrover> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Bruno Goncalves <bgoncalv> | ||||
| Severity: | high | Docs Contact: | |||||
| Priority: | high | ||||||
| Version: | 6.3 | CC: | bgoncalv, fge, hui.xiao, jane.lv, john.ronciak, jvillalo, jwilleford, marcus.g.koontz, robert.w.love, ruwang, xiaoli | ||||
| Target Milestone: | rc | ||||||
| Target Release: | 6.5 | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2013-11-21 22:26:18 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: | |||||||
| Bug Depends On: | 903297, 1030730 | ||||||
| Bug Blocks: | 896413 | ||||||
| Attachments: |
|
||||||
This bug is not present in the upstream kernel. It was introduced when the target code was backported which is why I'm reporting it here. This request was not resolved in time for the current release. Red Hat invites you to ask your support representative to propose this request, if still desired, for consideration in the next release of Red Hat Enterprise Linux. *** Bug 896409 has been marked as a duplicate of this bug. *** This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux release for currently deployed products. This request is not yet committed for inclusion in a release. Reproduced error on kernel-2.6.32-387.el6.x86_64 Fixed on kernel-2.6.32-407.el6.x86_64 Verified by Intel: Reproduced error on kernel-2.6.32-358.18.1.el6.x86_64 Verified fixed in kernel-2.6.32-421.el6.x86_64 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. http://rhn.redhat.com/errata/RHBA-2013-1683.html |
Created attachment 610088 [details] Patch to replace blkdev_put with close_bdev_exclusive Description of problem: Second mapping of block device to iblock backend fails with EBUSY because device is still claimed after being unmapped. The initial mapping uses open_bdev_exclusive, but the unmap call uses blkdev_put instead of the correct call which is close_bdev_exclusive. Version-Release number of selected component (if applicable): 2.6.32-279.5.2 How reproducible: Always Steps to Reproduce: 1. Create an iblock virtual device on a block device 2. Delete the iblock virtual device 3. Create the iblock virtual device again. Actual results: Fails with Device or resource busy Expected results: Succeeds Additional info: Patch attached.