Bug 166589
| Summary: | mount/umount can cause the block device reads to fail | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 4 | Reporter: | Wendy Cheng <nobody+wcheng> | ||||
| Component: | kernel | Assignee: | Peter Staubach <staubach> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Brian Brock <bbrock> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | medium | ||||||
| Version: | 4.0 | CC: | jbaron, safemail12-redhatbugzilla, tao | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | All | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | RHSA-2006-0132 | Doc Type: | Bug Fix | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2006-03-07 19:37:49 UTC | Type: | --- | ||||
| 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: | |||||||
| Bug Blocks: | 168429 | ||||||
| Attachments: |
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Created attachment 118010 [details]
upstream patch that seems to fix the issue.
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 the 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/RHSA-2006-0132.html *** Bug 169557 has been marked as a duplicate of this bug. *** *** Bug 161985 has been marked as a duplicate of this bug. *** |
Description of problem: "dd" command fails to read the block device while mounting/unmounting the device Version-Release number of selected component (if applicable): RHEL4 U1 How reproducible: Always Steps to Reproduce: Please run the following scripts in parallel. 1) script1.sh while : do dd if=/dev/sdb1 of=/dev/null bs=1M count=100 done 2) script2.sh while : do umount /mnt/work1 mount -t ext3 /dev/sdb1 /mnt/work1 done Actual results: ããdd command fails. The following messages are output. dd: reading `/dev/sdb1': Input/output error 0+1 records in 0+1 records out Expected results: ããdd command does not fail. The following messages are output. 100+0 records in 100+0 records out Additional info: The following change of bitkeeper seems to be related. http://lin ux.bkbits.net:8080/linux-2.6/patch.39.96