Red Hat Bugzilla – Bug 240016
invalid reference count for sata controllers
Last modified: 2007-11-16 20:14:55 EST
Description of problem:
The reference count of the ata_piix or sata_svw module is incorrect for an
attachment of lsmod.txt.
Version-Release number of selected component (if applicable):
kernel version in 2.6.9-55 4.5.
Steps to Reproduce:
1. Install linux on a PowerEdge 830 on a scsi/SAS configuration.
2. Add a disk to the ata_piix sata port.
3. modprobe the ata_piix module.
The ref count of the ata_piix module is a very high number.
the ref count of the ata_piix module should be zero because there are no files
open on the controller.
I first observed this while trying to root cause bugzilla #238855.
If I make the disk busy by creating a partition and formatting the part and
mount the disk. the reference count becomes zero and I can now remove the module
even if the partition is mounted.
Created attachment 154643 [details]
output of lsmod on a Poweredge 830.
*** This bug has been marked as a duplicate of 241215 ***