Description of problem: This bug was copied from https://bugzilla.redhat.com/show_bug.cgi?id=466422 There is one ahci patch added into RHEL5.2, which is used to force IDE mode into AHCI mode as ACPI S3 resume. But RedHat had this patch lost during the upgrade of ata driver for RHEL5.3. More information can be found in the bugzilla link: https://bugzilla.redhat.com/show_bug.cgi?id=466422 How reproducible: Always Steps to Reproduce: 1. Enter ACPI S3; 2. Do ACPI S3 resume by power button or keyboard Actual results: S3 resume failes on some SATA ports. Expected results: S3 resume successfully. Additional info: https://bugzilla.redhat.com/show_bug.cgi?id=466422 https://bugzilla.redhat.com/show_bug.cgi?id=432652
Created attachment 321898 [details] Patch already accepted upstream, was in 5.2 not in 5.3
*** This bug has been marked as a duplicate of bug 466422 ***